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Centralize CLI source pipeline handling#685

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frostney merged 7 commits into
mainfrom
t3code/1313e9ad
May 29, 2026
Merged

Centralize CLI source pipeline handling#685
frostney merged 7 commits into
mainfrom
t3code/1313e9ad

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@frostney
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@frostney frostney commented May 25, 2026

Summary

  • Add Goccia.CLI.SourcePipelineResult as the CLI-owned wrapper around source pipeline parse results.
  • Add Goccia.CLI.SourceMaps for shared CLI source-map writing.
  • Centralize CLI parse warnings and coverage source registration while keeping bytecode compilation separate.
  • Transfer generated source lines from the source pipeline without cloning, keep implementation terminology out of CONTEXT.md, and document the CLI helper boundary in docs/architecture.md.

Testing

  • Verified no regressions and confirmed the new feature or bugfix in end-to-end JavaScript/TypeScript tests
  • Updated documentation
  • Optional: Verified no regressions and confirmed the new feature or bugfix in native Pascal tests (if AST, scope, evaluator, or value types changed)
  • Optional: Verified no benchmark regressions or confirmed benchmark coverage for the change

Commands run:

  • ./format.pas --check
  • git diff --check
  • ./build.pas clean loader bundler testrunner benchmarkrunner repl
  • ./fixtures/ffi/build.sh
  • ./build/GocciaTestRunner tests --no-progress

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vercel Bot commented May 25, 2026

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Project Deployment Actions Updated (UTC)
gocciascript-homepage Ignored Ignored Preview May 29, 2026 4:55am

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coderabbitai Bot commented May 25, 2026

Review Change Stack

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 11bf0d75-db06-4ef8-84ed-1dda693c1936

📥 Commits

Reviewing files that changed from the base of the PR and between b0dfe4e and f5c934e.

📒 Files selected for processing (3)
  • scripts/test-cli-apps.ts
  • source/app/Goccia.CLI.SourcePipelineResult.pas
  • source/app/GocciaBundler.dpr
🚧 Files skipped from review as they are similar to previous changes (2)
  • source/app/Goccia.CLI.SourcePipelineResult.pas
  • source/app/GocciaBundler.dpr

📝 Walkthrough

Walkthrough

Adds a CLI-specific source-pipeline wrapper (TGocciaCLISourcePipelineResult) that owns parse artifacts and warning printing, introduces a shared WriteSourceMapIfAvailable helper, and refactors CLI apps (Bundler, ScriptLoader, REPL, TestRunner, BenchmarkRunner) to use them.

Changes

CLI Source Pipeline Result and Application Updates

Layer / File(s) Summary
CLI Pipeline Result Foundation and Shared Methods
source/app/Goccia.CLI.SourcePipelineResult.pas, source/units/Goccia.SourcePipeline.pas
TGocciaCLISourcePipelineResult wraps TGocciaSourcePipeline.Parse output and manages owned resources (ProgramNode, SourceMap, GeneratedSourceLines). Parse copies timings, prints warnings, and transfers ownership; RegisterCoverageSource registers executable lines and cloned source maps. TakeGeneratedSourceLines added to TGocciaSourcePipelineResult.
Source Map Output Policy
source/app/Goccia.CLI.SourceMaps.pas
WriteSourceMapIfAvailable centralizes source-map file writing: sets filename/source-path, saves to the output path, and optionally prints a status message.
Script Loader Source Parsing and Coverage
source/app/GocciaScriptLoader.dpr
Script Loader removes ParseSource helper, delegates .map emission to WriteSourceMapIfAvailable, uses TGocciaCLISourcePipelineResult.Parse, registers coverage via RegisterCoverageSource, and frees the wrapper result.
Bundler Source Compilation and Output
source/app/GocciaBundler.dpr
Bundler removes ParseSource, updates CompileSource to accept AOutputPath, parses via TGocciaCLISourcePipelineResult.Parse, computes map output path, delegates write to WriteSourceMapIfAvailable, and frees the wrapper in a finally block.
Test Runner, Benchmark Runner, and REPL Migration
source/app/GocciaTestRunner.dpr, source/app/GocciaBenchmarkRunner.dpr, source/app/GocciaREPL.dpr
Runners and REPL switch to TGocciaCLISourcePipelineResult.Parse, read lex/parse timings from the wrapper, register coverage via RegisterCoverageSource, compile from ProgramNode, and free the wrapper on cleanup.
Bundler tests and CLI test updates
scripts/test-cli-apps.ts
Bundler source-map tests updated to assert new output naming/location rules and strengthen assertions when --source-map is omitted.
Architecture Documentation
docs/architecture.md
Documented the CLI wrapper responsibilities (warning display, ownership transfer, deferred compilation) and that Goccia.CLI.SourceMaps owns CLI source-map output policy.

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

  • frostney/GocciaScript#322: Refactors Bundler CLI and its source-map behavior; related to this PR's bundler/source-map changes.
  • frostney/GocciaScript#138: Changes ScriptLoader stdin/bytecode source-map naming; overlaps stdin/output naming logic updated here.
  • frostney/GocciaScript#364: Adds coverage-source-map plumbing; related to RegisterCoverageSource and coverage registration changes.
🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Title check ✅ Passed The title 'Centralize CLI source pipeline handling' directly and accurately summarizes the main change: consolidating CLI-specific source pipeline operations into centralized units (SourcePipelineResult and SourceMaps).
Description check ✅ Passed The description covers all required sections with sufficient detail: it describes the changes (new units, centralization approach, terminology cleanup, and documentation), addresses non-goals, includes testing checklist with completed items and build commands.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


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github-actions Bot commented May 25, 2026

Suite Timing

Test Runner (interpreted: 9,798 passed; bytecode: 9,798 passed)
Metric Interpreted Bytecode
Total 9798 9798
Passed 9798 ✅ 9798 ✅
Workers 4 4
Test Duration 3.21s 2.31s
Lex (cumulative) 470.3ms 322.2ms
Parse (cumulative) 317.8ms 229.2ms
Compile (cumulative) 452.7ms
Execute (cumulative) 3.22s 1.97s
Engine Total (cumulative) 4.00s 2.98s
Lex (avg/worker) 117.6ms 80.6ms
Parse (avg/worker) 79.5ms 57.3ms
Compile (avg/worker) 113.2ms
Execute (avg/worker) 804.0ms 493.5ms
Engine Total (avg/worker) 1.00s 744.5ms

Memory

GC rows aggregate the main thread plus all worker thread-local GCs. Test runner worker shutdown frees thread-local heaps in bulk; that shutdown reclamation is not counted as GC collections or collected objects.

Metric Interpreted Bytecode
GC Live 280.98 MiB 275.22 MiB
GC Peak Live 280.99 MiB 275.23 MiB
GC Allocated During Run 285.47 MiB 279.72 MiB
GC Limit 7.81 GiB 7.81 GiB
GC Collections 1 1
GC Collected Objects 88 88
Heap Start Allocated 159.1 KiB 159.1 KiB
Heap End Allocated 1.53 MiB 1.53 MiB
Heap Delta Allocated 1.37 MiB 1.37 MiB
Heap Delta Free 448.9 KiB 448.9 KiB
Benchmarks (interpreted: 407; bytecode: 407)
Metric Interpreted Bytecode
Total 407 407
Workers 4 4
Duration 2.43min 2.34min

Memory

GC rows aggregate the main thread plus all worker thread-local GCs. Benchmark runner performs explicit between-file collections, so collection and collected-object counts can be much higher than the test runner.

Metric Interpreted Bytecode
GC Live 3.93 MiB 3.93 MiB
GC Peak Live 89.96 MiB 65.32 MiB
GC Allocated During Run 13.11 GiB 9.11 GiB
GC Limit 7.81 GiB 7.81 GiB
GC Collections 2,813 2,649
GC Collected Objects 238,703,191 210,888,192
Heap Start Allocated 1.27 MiB 1.27 MiB
Heap End Allocated 1.27 MiB 1.27 MiB
Heap Delta Allocated 128 B 128 B

Measured on ubuntu-latest x64.

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github-actions Bot commented May 25, 2026

Benchmark Results

407 benchmarks

Interpreted: 🟢 44 improved · 🔴 53 regressed · 310 unchanged · avg +1.3%
Bytecode: 🟢 22 improved · 🔴 360 regressed · 25 unchanged · avg -8.1%

arraybuffer.js — Interp: 🟢 7, 7 unch. · avg +7.2% · Bytecode: 🟢 1, 🔴 10, 3 unch. · avg -6.6%
Benchmark Interpreted Δ Bytecode Δ
create ArrayBuffer(0) 114,401 ops/sec [93,129..135,951] → 148,157 ops/sec [116,371..154,396] ~ overlap (+29.5%) 197,454 ops/sec [127,253..204,224] → 183,410 ops/sec [154,782..187,239] ~ overlap (-7.1%)
create ArrayBuffer(64) 107,385 ops/sec [89,654..112,761] → 149,522 ops/sec [145,206..151,674] 🟢 +39.2% 194,759 ops/sec [193,686..196,587] → 175,326 ops/sec [173,200..179,012] 🔴 -10.0%
create ArrayBuffer(1024) 128,721 ops/sec [93,910..128,954] → 132,340 ops/sec [130,876..133,610] 🟢 +2.8% 164,609 ops/sec [163,351..164,923] → 153,005 ops/sec [151,725..153,764] 🔴 -7.0%
create ArrayBuffer(8192) 74,765 ops/sec [74,088..75,132] → 74,638 ops/sec [72,860..75,718] ~ overlap (-0.2%) 81,494 ops/sec [81,034..82,215] → 83,520 ops/sec [81,971..85,376] ~ overlap (+2.5%)
slice full buffer (64 bytes) 175,386 ops/sec [174,020..177,802] → 172,300 ops/sec [171,121..175,275] ~ overlap (-1.8%) 247,943 ops/sec [246,887..249,975] → 210,795 ops/sec [208,345..218,675] 🔴 -15.0%
slice half buffer (512 of 1024 bytes) 159,422 ops/sec [157,735..161,888] → 165,696 ops/sec [159,491..167,308] ~ overlap (+3.9%) 215,042 ops/sec [203,805..217,818] → 189,871 ops/sec [185,672..191,321] 🔴 -11.7%
slice with negative indices 148,767 ops/sec [146,666..151,675] → 155,664 ops/sec [153,777..157,142] 🟢 +4.6% 224,441 ops/sec [220,990..231,324] → 197,026 ops/sec [193,421..201,800] 🔴 -12.2%
slice empty range 170,047 ops/sec [169,328..172,008] → 180,407 ops/sec [179,634..181,645] 🟢 +6.1% 234,016 ops/sec [230,219..240,546] → 205,633 ops/sec [193,450..224,501] 🔴 -12.1%
byteLength access 387,109 ops/sec [382,339..388,838] → 395,732 ops/sec [392,476..405,001] 🟢 +2.2% 432,866 ops/sec [430,422..442,810] → 444,779 ops/sec [437,425..448,060] ~ overlap (+2.8%)
Symbol.toStringTag access 311,291 ops/sec [296,679..312,550] → 325,074 ops/sec [322,989..325,996] 🟢 +4.4% 318,000 ops/sec [313,527..318,901] → 323,923 ops/sec [323,094..329,224] 🟢 +1.9%
ArrayBuffer.isView 241,738 ops/sec [219,547..244,345] → 242,626 ops/sec [236,294..244,262] ~ overlap (+0.4%) 307,079 ops/sec [304,511..309,362] → 295,472 ops/sec [294,740..300,458] 🔴 -3.8%
clone ArrayBuffer(64) 157,792 ops/sec [155,806..159,141] → 156,206 ops/sec [155,067..158,578] ~ overlap (-1.0%) 220,425 ops/sec [216,963..221,869] → 203,558 ops/sec [200,563..207,007] 🔴 -7.7%
clone ArrayBuffer(1024) 136,720 ops/sec [135,879..138,003] → 143,453 ops/sec [142,181..144,716] 🟢 +4.9% 178,716 ops/sec [177,525..180,770] → 169,965 ops/sec [168,210..170,916] 🔴 -4.9%
clone ArrayBuffer inside object 107,095 ops/sec [101,314..112,655] → 112,524 ops/sec [111,790..113,591] ~ overlap (+5.1%) 138,929 ops/sec [138,600..139,032] → 128,060 ops/sec [125,358..129,719] 🔴 -7.8%
arrays.js — Interp: 🟢 6, 🔴 1, 12 unch. · avg +4.7% · Bytecode: 🔴 19 · avg -14.7%
Benchmark Interpreted Δ Bytecode Δ
Array.from length 100 2,362 ops/sec [1,857..2,878] → 3,026 ops/sec [2,661..3,049] ~ overlap (+28.1%) 4,485 ops/sec [4,324..4,778] → 4,060 ops/sec [3,824..4,080] 🔴 -9.5%
Array.from 10 elements 64,101 ops/sec [57,134..70,012] → 82,996 ops/sec [82,752..83,141] 🟢 +29.5% 99,556 ops/sec [97,845..100,484] → 88,044 ops/sec [86,162..88,727] 🔴 -11.6%
Array.of 10 elements 86,693 ops/sec [79,502..95,365] → 103,538 ops/sec [92,657..105,184] ~ overlap (+19.4%) 129,526 ops/sec [123,406..131,747] → 115,867 ops/sec [115,693..116,656] 🔴 -10.5%
spread into new array 125,525 ops/sec [123,843..128,140] → 127,038 ops/sec [124,640..127,195] ~ overlap (+1.2%) 79,758 ops/sec [76,469..80,283] → 73,322 ops/sec [73,141..73,669] 🔴 -8.1%
map over 50 elements 4,778 ops/sec [4,732..4,921] → 5,036 ops/sec [4,943..5,082] 🟢 +5.4% 7,852 ops/sec [7,832..7,867] → 7,255 ops/sec [7,172..7,312] 🔴 -7.6%
filter over 50 elements 4,812 ops/sec [4,744..4,830] → 4,915 ops/sec [4,847..4,929] 🟢 +2.2% 7,617 ops/sec [7,545..7,734] → 6,783 ops/sec [6,711..6,819] 🔴 -10.9%
reduce sum 50 elements 5,035 ops/sec [4,999..5,069] → 5,091 ops/sec [5,080..5,108] 🟢 +1.1% 7,831 ops/sec [7,204..8,091] → 6,751 ops/sec [6,413..6,795] 🔴 -13.8%
forEach over 50 elements 4,775 ops/sec [4,748..4,867] → 4,850 ops/sec [4,801..4,875] ~ overlap (+1.6%) 8,956 ops/sec [8,893..8,999] → 7,364 ops/sec [7,286..7,376] 🔴 -17.8%
find in 50 elements 6,708 ops/sec [6,663..6,900] → 6,706 ops/sec [6,582..6,871] ~ overlap (-0.0%) 11,612 ops/sec [11,489..11,730] → 9,596 ops/sec [9,576..9,698] 🔴 -17.4%
sort 20 elements 2,740 ops/sec [2,724..2,783] → 2,745 ops/sec [2,721..2,812] ~ overlap (+0.2%) 5,226 ops/sec [5,180..5,305] → 4,235 ops/sec [4,220..4,259] 🔴 -19.0%
flat nested array 47,396 ops/sec [33,980..47,798] → 45,268 ops/sec [40,134..47,799] ~ overlap (-4.5%) 59,085 ops/sec [58,257..59,986] → 47,196 ops/sec [46,610..47,550] 🔴 -20.1%
flatMap 23,143 ops/sec [22,785..23,457] → 22,035 ops/sec [20,831..22,614] 🔴 -4.8% 31,690 ops/sec [31,349..31,908] → 26,281 ops/sec [26,166..26,610] 🔴 -17.1%
map inside map (5x5) 5,650 ops/sec [5,496..5,928] → 5,658 ops/sec [5,582..5,759] ~ overlap (+0.1%) 8,584 ops/sec [8,571..8,607] → 7,091 ops/sec [7,002..7,143] 🔴 -17.4%
filter inside map (5x10) 3,801 ops/sec [3,779..3,896] → 3,800 ops/sec [3,732..3,855] ~ overlap (-0.0%) 6,258 ops/sec [6,223..6,312] → 5,086 ops/sec [4,995..5,132] 🔴 -18.7%
reduce inside map (5x10) 4,102 ops/sec [4,071..4,127] → 4,188 ops/sec [4,124..4,202] ~ overlap (+2.1%) 6,469 ops/sec [6,461..6,507] → 5,435 ops/sec [5,370..5,477] 🔴 -16.0%
forEach inside forEach (5x10) 3,964 ops/sec [3,885..4,020] → 4,059 ops/sec [4,034..4,094] 🟢 +2.4% 7,133 ops/sec [7,074..7,168] → 5,911 ops/sec [5,838..5,955] 🔴 -17.1%
find inside some (10x10) 3,003 ops/sec [2,983..3,023] → 3,097 ops/sec [3,058..3,118] 🟢 +3.1% 5,070 ops/sec [5,011..5,105] → 4,230 ops/sec [4,152..4,251] 🔴 -16.6%
map+filter chain nested (5x20) 1,149 ops/sec [1,136..1,167] → 1,158 ops/sec [1,150..1,163] ~ overlap (+0.9%) 1,893 ops/sec [1,879..1,917] → 1,547 ops/sec [1,536..1,579] 🔴 -18.3%
reduce flatten (10x5) 13,363 ops/sec [13,144..13,561] → 13,482 ops/sec [13,343..13,627] ~ overlap (+0.9%) 7,366 ops/sec [7,337..7,423] → 6,429 ops/sec [6,298..6,515] 🔴 -12.7%
async-await.js — Interp: 🟢 1, 🔴 1, 4 unch. · avg +12.8% · Bytecode: 🔴 5, 1 unch. · avg -7.5%
Benchmark Interpreted Δ Bytecode Δ
single await 100,173 ops/sec [74,942..123,024] → 134,542 ops/sec [88,366..135,906] ~ overlap (+34.3%) 147,510 ops/sec [125,346..158,799] → 140,824 ops/sec [102,547..144,190] ~ overlap (-4.5%)
multiple awaits 48,367 ops/sec [37,709..50,519] → 63,793 ops/sec [61,867..64,883] 🟢 +31.9% 70,675 ops/sec [69,969..71,161] → 64,369 ops/sec [63,656..65,173] 🔴 -8.9%
await non-Promise value 222,277 ops/sec [173,811..263,401] → 260,459 ops/sec [258,638..262,203] ~ overlap (+17.2%) 377,743 ops/sec [373,581..384,607] → 344,557 ops/sec [342,449..347,390] 🔴 -8.8%
await with try/catch 110,369 ops/sec [106,433..111,135] → 109,992 ops/sec [86,962..112,251] ~ overlap (-0.3%) 150,520 ops/sec [148,551..158,383] → 142,412 ops/sec [140,913..142,948] 🔴 -5.4%
await Promise.all 21,621 ops/sec [21,305..22,025] → 21,604 ops/sec [21,241..21,868] ~ overlap (-0.1%) 24,185 ops/sec [23,530..24,476] → 21,911 ops/sec [21,638..21,997] 🔴 -9.4%
nested async function call 76,016 ops/sec [75,098..76,211] → 71,114 ops/sec [70,698..71,595] 🔴 -6.4% 95,064 ops/sec [94,483..96,024] → 87,756 ops/sec [87,100..88,554] 🔴 -7.7%
async-generators.js — Interp: 🟢 2 · avg +37.9% · Bytecode: 🔴 1, 1 unch. · avg -11.7%
Benchmark Interpreted Δ Bytecode Δ
for-await-of over async generator 1,452 ops/sec [1,220..1,621] → 2,078 ops/sec [2,059..2,092] 🟢 +43.1% 2,645 ops/sec [1,860..2,676] → 2,339 ops/sec [2,112..2,363] ~ overlap (-11.6%)
async generator with await in body 14,380 ops/sec [12,606..16,546] → 19,091 ops/sec [18,950..19,442] 🟢 +32.8% 22,926 ops/sec [22,852..23,598] → 20,198 ops/sec [19,933..20,394] 🔴 -11.9%
base64.js — Interp: 🔴 2, 8 unch. · avg -1.0% · Bytecode: 🟢 4, 🔴 2, 4 unch. · avg -1.2%
Benchmark Interpreted Δ Bytecode Δ
short ASCII (13 chars) 3,006 ops/sec [2,303..3,101] → 2,948 ops/sec [2,874..3,035] ~ overlap (-1.9%) 3,327 ops/sec [2,950..3,342] → 2,970 ops/sec [2,882..3,009] ~ overlap (-10.7%)
medium ASCII (450 chars) 111 ops/sec [109..112] → 106 ops/sec [106..107] 🔴 -3.7% 125 ops/sec [122..125] → 111 ops/sec [110..111] 🔴 -11.2%
Latin-1 characters 4,342 ops/sec [4,316..4,383] → 4,281 ops/sec [4,198..4,343] ~ overlap (-1.4%) 5,011 ops/sec [4,896..5,064] → 4,448 ops/sec [4,438..4,464] 🔴 -11.2%
short base64 (20 chars) 686 ops/sec [680..692] → 685 ops/sec [681..689] ~ overlap (-0.2%) 661 ops/sec [658..662] → 692 ops/sec [598..816] ~ overlap (+4.6%)
medium base64 (600 chars) 25 ops/sec [25..25] → 25 ops/sec [25..25] ~ overlap (+0.7%) 24 ops/sec [24..24] → 26 ops/sec [25..26] 🟢 +6.9%
Latin-1 output 1,074 ops/sec [1,066..1,078] → 1,066 ops/sec [1,064..1,069] ~ overlap (-0.7%) 1,024 ops/sec [1,018..1,032] → 1,055 ops/sec [1,034..1,061] 🟢 +3.0%
forgiving (no padding) 1,710 ops/sec [1,681..1,713] → 1,699 ops/sec [1,684..1,718] ~ overlap (-0.7%) 1,634 ops/sec [1,627..1,643] → 1,657 ops/sec [1,637..1,664] ~ overlap (+1.4%)
with whitespace 648 ops/sec [642..652] → 644 ops/sec [642..648] ~ overlap (-0.6%) 629 ops/sec [623..636] → 643 ops/sec [639..649] 🟢 +2.3%
atob(btoa(short)) 568 ops/sec [566..568] → 559 ops/sec [558..566] 🔴 -1.5% 559 ops/sec [557..559] → 562 ops/sec [559..563] ~ overlap (+0.5%)
atob(btoa(medium)) 20 ops/sec [20..20] → 20 ops/sec [20..21] ~ overlap (+0.3%) 20 ops/sec [20..20] → 20 ops/sec [20..21] 🟢 +2.3%
classes.js — Interp: 🔴 5, 26 unch. · avg -0.9% · Bytecode: 🔴 29, 2 unch. · avg -8.1%
Benchmark Interpreted Δ Bytecode Δ
simple class new 54,790 ops/sec [54,521..55,097] → 52,310 ops/sec [52,058..52,558] 🔴 -4.5% 73,026 ops/sec [72,646..73,767] → 66,352 ops/sec [66,198..67,469] 🔴 -9.1%
class with defaults 42,056 ops/sec [41,023..43,469] → 40,089 ops/sec [39,884..40,481] 🔴 -4.7% 49,489 ops/sec [48,366..49,686] → 44,304 ops/sec [43,835..44,620] 🔴 -10.5%
50 instances via Array.from 1,763 ops/sec [1,702..1,781] → 1,710 ops/sec [1,703..1,712] ~ overlap (-3.0%) 2,387 ops/sec [2,373..2,424] → 2,185 ops/sec [2,161..2,194] 🔴 -8.5%
instance method call 24,546 ops/sec [24,328..24,717] → 24,581 ops/sec [24,461..24,649] ~ overlap (+0.1%) 35,647 ops/sec [34,879..35,713] → 32,046 ops/sec [31,729..32,569] 🔴 -10.1%
static method call 40,324 ops/sec [39,825..40,502] → 40,646 ops/sec [40,111..40,723] ~ overlap (+0.8%) 77,800 ops/sec [76,692..78,152] → 71,530 ops/sec [70,290..72,133] 🔴 -8.1%
single-level inheritance 20,661 ops/sec [20,365..21,012] → 20,789 ops/sec [20,466..20,856] ~ overlap (+0.6%) 27,846 ops/sec [27,695..27,994] → 25,032 ops/sec [24,793..25,135] 🔴 -10.1%
two-level inheritance 19,088 ops/sec [18,858..19,320] → 18,268 ops/sec [18,092..18,338] 🔴 -4.3% 22,579 ops/sec [22,380..22,892] → 20,023 ops/sec [19,863..20,248] 🔴 -11.3%
private field access 27,576 ops/sec [26,969..28,890] → 27,388 ops/sec [26,996..27,678] ~ overlap (-0.7%) 25,779 ops/sec [25,390..26,070] → 23,293 ops/sec [22,980..23,603] 🔴 -9.6%
private methods 30,328 ops/sec [29,943..31,082] → 30,294 ops/sec [29,728..31,111] ~ overlap (-0.1%) 29,086 ops/sec [28,807..29,385] → 26,761 ops/sec [26,519..27,050] 🔴 -8.0%
getter/setter access 27,520 ops/sec [27,070..28,015] → 27,672 ops/sec [27,395..27,798] ~ overlap (+0.6%) 39,488 ops/sec [39,006..39,846] → 36,367 ops/sec [36,219..36,453] 🔴 -7.9%
class decorator (identity) 37,657 ops/sec [36,967..38,016] → 37,988 ops/sec [37,052..38,182] ~ overlap (+0.9%) 43,625 ops/sec [43,508..43,901] → 39,913 ops/sec [39,559..40,241] 🔴 -8.5%
class decorator (wrapping) 21,874 ops/sec [21,409..22,306] → 21,687 ops/sec [21,564..21,738] ~ overlap (-0.9%) 24,121 ops/sec [23,769..24,623] → 22,068 ops/sec [21,755..22,421] 🔴 -8.5%
identity method decorator 27,191 ops/sec [26,340..27,708] → 27,153 ops/sec [26,547..27,621] ~ overlap (-0.1%) 35,875 ops/sec [34,753..36,804] → 32,330 ops/sec [31,622..33,211] 🔴 -9.9%
wrapping method decorator 21,856 ops/sec [21,799..22,307] → 22,087 ops/sec [22,004..22,136] ~ overlap (+1.1%) 26,963 ops/sec [25,414..27,988] → 25,001 ops/sec [24,801..25,553] ~ overlap (-7.3%)
stacked method decorators (x3) 14,792 ops/sec [14,735..14,965] → 14,718 ops/sec [14,328..14,795] ~ overlap (-0.5%) 18,517 ops/sec [18,101..18,656] → 16,849 ops/sec [16,556..17,079] 🔴 -9.0%
identity field decorator 30,904 ops/sec [30,704..31,450] → 30,564 ops/sec [30,400..31,262] ~ overlap (-1.1%) 33,600 ops/sec [33,080..34,386] → 32,049 ops/sec [31,148..33,014] 🔴 -4.6%
field initializer decorator 25,430 ops/sec [25,170..25,706] → 25,713 ops/sec [25,484..25,744] ~ overlap (+1.1%) 29,720 ops/sec [29,242..30,865] → 27,185 ops/sec [26,838..27,994] 🔴 -8.5%
getter decorator (identity) 25,622 ops/sec [25,151..25,976] → 25,436 ops/sec [24,757..25,800] ~ overlap (-0.7%) 26,569 ops/sec [26,330..26,750] → 24,189 ops/sec [23,953..24,600] 🔴 -9.0%
setter decorator (identity) 21,017 ops/sec [20,572..21,336] → 20,738 ops/sec [20,158..21,006] ~ overlap (-1.3%) 21,670 ops/sec [21,385..21,813] → 20,122 ops/sec [20,069..20,297] 🔴 -7.1%
static method decorator 28,462 ops/sec [28,406..28,534] → 28,857 ops/sec [28,461..29,465] ~ overlap (+1.4%) 37,389 ops/sec [36,948..37,524] → 35,697 ops/sec [35,224..36,403] 🔴 -4.5%
static field decorator 34,172 ops/sec [33,461..35,032] → 34,000 ops/sec [33,526..34,981] ~ overlap (-0.5%) 40,310 ops/sec [39,361..41,640] → 37,615 ops/sec [36,339..38,431] 🔴 -6.7%
private method decorator 22,163 ops/sec [21,987..22,436] → 22,356 ops/sec [22,228..22,458] ~ overlap (+0.9%) 28,397 ops/sec [28,006..28,927] → 25,881 ops/sec [25,291..25,986] 🔴 -8.9%
private field decorator 25,002 ops/sec [23,469..25,513] → 24,418 ops/sec [24,201..25,096] ~ overlap (-2.3%) 25,207 ops/sec [24,904..26,071] → 24,446 ops/sec [24,186..25,158] ~ overlap (-3.0%)
plain auto-accessor (no decorator) 42,974 ops/sec [42,638..43,392] → 42,731 ops/sec [41,817..43,639] ~ overlap (-0.6%) 44,129 ops/sec [41,630..45,603] → 40,169 ops/sec [39,855..40,488] 🔴 -9.0%
auto-accessor with decorator 22,864 ops/sec [22,329..24,546] → 22,639 ops/sec [22,350..23,654] ~ overlap (-1.0%) 25,279 ops/sec [24,582..26,553] → 22,770 ops/sec [22,395..23,942] 🔴 -9.9%
decorator writing metadata 18,911 ops/sec [18,801..19,009] → 18,613 ops/sec [18,190..19,175] ~ overlap (-1.6%) 23,352 ops/sec [23,027..24,076] → 20,881 ops/sec [20,667..21,676] 🔴 -10.6%
static getter read 47,786 ops/sec [47,390..48,352] → 48,029 ops/sec [47,376..48,720] ~ overlap (+0.5%) 67,441 ops/sec [67,031..67,822] → 64,341 ops/sec [63,932..64,442] 🔴 -4.6%
static getter/setter pair 37,668 ops/sec [37,390..38,009] → 36,367 ops/sec [36,201..36,579] 🔴 -3.5% 52,044 ops/sec [50,721..52,813] → 47,534 ops/sec [46,933..48,245] 🔴 -8.7%
inherited static getter 31,483 ops/sec [31,252..31,865] → 30,950 ops/sec [30,904..31,488] ~ overlap (-1.7%) 41,776 ops/sec [41,050..42,707] → 39,470 ops/sec [39,086..39,798] 🔴 -5.5%
inherited static setter 34,463 ops/sec [34,067..34,773] → 33,545 ops/sec [32,587..33,974] 🔴 -2.7% 42,362 ops/sec [41,659..42,958] → 39,915 ops/sec [39,247..40,440] 🔴 -5.8%
inherited static getter with this binding 27,124 ops/sec [26,840..27,203] → 26,949 ops/sec [26,755..27,152] ~ overlap (-0.6%) 34,013 ops/sec [33,625..34,277] → 31,466 ops/sec [31,317..31,670] 🔴 -7.5%
closures.js — Interp: 🟢 1, 🔴 1, 9 unch. · avg +0.2% · Bytecode: 🔴 10, 1 unch. · avg -8.5%
Benchmark Interpreted Δ Bytecode Δ
closure over single variable 40,177 ops/sec [39,099..41,117] → 43,093 ops/sec [42,844..43,451] 🟢 +7.3% 148,306 ops/sec [146,997..148,705] → 138,457 ops/sec [137,634..139,798] 🔴 -6.6%
closure over multiple variables 43,899 ops/sec [42,511..44,645] → 44,269 ops/sec [43,800..44,472] ~ overlap (+0.8%) 130,572 ops/sec [127,939..132,518] → 123,647 ops/sec [120,511..124,549] 🔴 -5.3%
nested closures 47,158 ops/sec [46,741..49,631] → 46,945 ops/sec [45,344..48,811] ~ overlap (-0.5%) 128,667 ops/sec [127,609..130,308] → 123,061 ops/sec [122,125..124,099] 🔴 -4.4%
function as argument 31,525 ops/sec [30,836..31,915] → 31,470 ops/sec [30,975..31,770] ~ overlap (-0.2%) 128,144 ops/sec [124,087..132,266] → 119,917 ops/sec [119,323..120,596] 🔴 -6.4%
function returning function 41,065 ops/sec [40,548..41,801] → 40,938 ops/sec [39,982..41,487] ~ overlap (-0.3%) 146,465 ops/sec [141,990..149,524] → 136,357 ops/sec [129,149..137,934] 🔴 -6.9%
compose two functions 25,073 ops/sec [24,343..25,513] → 25,158 ops/sec [24,935..25,352] ~ overlap (+0.3%) 85,082 ops/sec [73,653..85,936] → 77,102 ops/sec [75,748..78,292] ~ overlap (-9.4%)
fn.call 56,321 ops/sec [55,825..57,215] → 57,110 ops/sec [54,722..57,815] ~ overlap (+1.4%) 94,000 ops/sec [93,257..94,354] → 84,975 ops/sec [84,518..85,735] 🔴 -9.6%
fn.apply 44,393 ops/sec [44,226..44,479] → 44,825 ops/sec [44,237..45,035] ~ overlap (+1.0%) 88,572 ops/sec [88,227..88,770] → 81,406 ops/sec [80,909..81,821] 🔴 -8.1%
fn.bind 49,352 ops/sec [48,187..49,889] → 48,219 ops/sec [47,688..48,701] ~ overlap (-2.3%) 122,665 ops/sec [121,420..124,121] → 111,888 ops/sec [110,224..113,272] 🔴 -8.8%
recursive sum to 50 3,725 ops/sec [3,680..3,737] → 3,647 ops/sec [3,605..3,727] ~ overlap (-2.1%) 18,217 ops/sec [17,547..18,920] → 15,772 ops/sec [15,593..15,838] 🔴 -13.4%
recursive tree traversal 6,716 ops/sec [6,679..6,737] → 6,503 ops/sec [6,451..6,575] 🔴 -3.2% 15,612 ops/sec [15,416..15,933] → 13,407 ops/sec [13,130..13,765] 🔴 -14.1%
collections.js — Interp: 🔴 2, 10 unch. · avg -0.5% · Bytecode: 🔴 12 · avg -11.0%
Benchmark Interpreted Δ Bytecode Δ
add 50 elements 2,562 ops/sec [2,554..2,573] → 2,544 ops/sec [2,517..2,555] ~ overlap (-0.7%) 3,105 ops/sec [3,083..3,156] → 2,810 ops/sec [2,787..2,830] 🔴 -9.5%
has lookup (50 elements) 41,797 ops/sec [41,411..42,319] → 40,977 ops/sec [38,642..41,810] ~ overlap (-2.0%) 52,995 ops/sec [51,788..54,443] → 46,220 ops/sec [45,941..46,489] 🔴 -12.8%
delete elements 22,594 ops/sec [22,525..22,677] → 22,312 ops/sec [22,005..22,475] 🔴 -1.2% 28,655 ops/sec [28,187..29,067] → 24,224 ops/sec [23,982..24,405] 🔴 -15.5%
forEach iteration 5,030 ops/sec [4,981..5,057] → 4,795 ops/sec [4,725..4,911] 🔴 -4.7% 8,661 ops/sec [8,214..8,793] → 7,569 ops/sec [7,538..7,572] 🔴 -12.6%
spread to array 13,235 ops/sec [12,954..13,508] → 13,434 ops/sec [13,031..13,603] ~ overlap (+1.5%) 108,383 ops/sec [105,848..113,577] → 100,863 ops/sec [99,587..102,106] 🔴 -6.9%
deduplicate array 18,419 ops/sec [18,104..18,718] → 18,695 ops/sec [18,312..18,869] ~ overlap (+1.5%) 38,901 ops/sec [38,387..39,804] → 33,354 ops/sec [32,813..33,597] 🔴 -14.3%
set 50 entries 1,997 ops/sec [1,972..2,017] → 1,997 ops/sec [1,955..2,016] ~ overlap (+0.0%) 2,486 ops/sec [2,456..2,501] → 2,282 ops/sec [2,274..2,307] 🔴 -8.2%
get lookup (50 entries) 41,574 ops/sec [41,089..41,982] → 41,566 ops/sec [41,133..42,109] ~ overlap (-0.0%) 47,964 ops/sec [47,274..48,605] → 43,232 ops/sec [42,451..44,621] 🔴 -9.9%
has check 60,434 ops/sec [60,192..60,611] → 60,177 ops/sec [57,701..61,098] ~ overlap (-0.4%) 70,941 ops/sec [70,592..72,394] → 63,544 ops/sec [62,942..63,963] 🔴 -10.4%
delete entries 22,707 ops/sec [22,392..22,811] → 22,806 ops/sec [22,313..23,336] ~ overlap (+0.4%) 26,237 ops/sec [26,070..26,302] → 23,190 ops/sec [23,030..23,356] 🔴 -11.6%
forEach iteration 4,921 ops/sec [4,892..4,935] → 4,937 ops/sec [4,770..5,027] ~ overlap (+0.3%) 8,796 ops/sec [8,568..8,813] → 7,653 ops/sec [7,583..7,708] 🔴 -13.0%
keys/values/entries 3,722 ops/sec [3,653..3,764] → 3,679 ops/sec [3,593..3,852] ~ overlap (-1.2%) 14,842 ops/sec [14,673..15,010] → 13,823 ops/sec [13,727..13,886] 🔴 -6.9%
csv.js — Interp: 🔴 1, 12 unch. · avg -2.0% · Bytecode: 🔴 13 · avg -9.1%
Benchmark Interpreted Δ Bytecode Δ
parse simple 3-column CSV 43,213 ops/sec [41,890..43,574] → 42,592 ops/sec [41,725..42,776] ~ overlap (-1.4%) 48,190 ops/sec [47,730..49,282] → 45,262 ops/sec [45,137..46,251] 🔴 -6.1%
parse 10-row CSV 11,953 ops/sec [11,713..12,374] → 11,583 ops/sec [11,401..11,876] ~ overlap (-3.1%) 13,479 ops/sec [13,389..13,510] → 12,332 ops/sec [12,046..12,597] 🔴 -8.5%
parse 100-row CSV 1,893 ops/sec [1,851..1,960] → 1,804 ops/sec [1,783..1,864] ~ overlap (-4.7%) 2,038 ops/sec [2,026..2,060] → 1,887 ops/sec [1,822..1,918] 🔴 -7.4%
parse CSV with quoted fields 65,531 ops/sec [64,228..68,067] → 64,777 ops/sec [63,884..65,452] ~ overlap (-1.2%) 74,608 ops/sec [72,819..74,718] → 66,496 ops/sec [65,871..67,393] 🔴 -10.9%
parse without headers (array of arrays) 5,607 ops/sec [5,518..5,659] → 5,546 ops/sec [5,518..5,594] ~ overlap (-1.1%) 6,363 ops/sec [6,336..6,526] → 5,729 ops/sec [5,626..5,810] 🔴 -10.0%
parse with semicolon delimiter 8,710 ops/sec [8,607..8,754] → 8,499 ops/sec [8,308..8,599] 🔴 -2.4% 9,729 ops/sec [9,673..9,897] → 8,928 ops/sec [8,840..9,051] 🔴 -8.2%
stringify array of objects 66,334 ops/sec [64,454..66,487] → 65,010 ops/sec [64,565..65,218] ~ overlap (-2.0%) 77,855 ops/sec [77,187..78,710] → 68,410 ops/sec [67,936..68,986] 🔴 -12.1%
stringify array of arrays 24,635 ops/sec [24,028..25,170] → 23,620 ops/sec [23,298..24,046] ~ overlap (-4.1%) 26,703 ops/sec [26,457..26,909] → 23,752 ops/sec [22,839..24,555] 🔴 -11.1%
stringify with values needing escaping 50,807 ops/sec [48,430..51,828] → 49,172 ops/sec [48,617..49,471] ~ overlap (-3.2%) 57,252 ops/sec [56,324..57,825] → 52,356 ops/sec [52,021..52,600] 🔴 -8.6%
reviver converts numbers 1,151 ops/sec [1,123..1,160] → 1,132 ops/sec [1,123..1,139] ~ overlap (-1.6%) 1,399 ops/sec [1,379..1,420] → 1,261 ops/sec [1,221..1,278] 🔴 -9.8%
reviver filters empty to null 9,068 ops/sec [8,804..9,377] → 8,941 ops/sec [8,819..9,038] ~ overlap (-1.4%) 12,038 ops/sec [12,026..12,044] → 10,839 ops/sec [10,580..11,611] 🔴 -10.0%
parse then stringify 7,714 ops/sec [7,241..8,133] → 7,714 ops/sec [7,618..7,778] ~ overlap (-0.0%) 8,635 ops/sec [8,579..8,748] → 7,905 ops/sec [7,739..8,076] 🔴 -8.4%
stringify then parse 7,450 ops/sec [7,403..7,636] → 7,439 ops/sec [7,413..7,490] ~ overlap (-0.1%) 8,427 ops/sec [8,322..8,469] → 7,821 ops/sec [7,786..7,877] 🔴 -7.2%
destructuring.js — Interp: 🟢 1, 🔴 1, 20 unch. · avg -0.1% · Bytecode: 🔴 22 · avg -9.4%
Benchmark Interpreted Δ Bytecode Δ
simple array destructuring 157,597 ops/sec [156,032..158,673] → 158,073 ops/sec [155,954..158,642] ~ overlap (+0.3%) 121,836 ops/sec [118,806..125,421] → 109,414 ops/sec [107,020..112,027] 🔴 -10.2%
with rest element 105,643 ops/sec [105,099..106,289] → 108,223 ops/sec [106,963..109,117] 🟢 +2.4% 93,470 ops/sec [91,517..94,679] → 82,854 ops/sec [81,980..83,396] 🔴 -11.4%
with defaults 156,025 ops/sec [154,567..156,709] → 156,472 ops/sec [154,551..157,916] ~ overlap (+0.3%) 126,063 ops/sec [124,344..128,623] → 115,476 ops/sec [115,350..116,064] 🔴 -8.4%
skip elements 164,297 ops/sec [162,763..166,473] → 165,556 ops/sec [164,505..169,405] ~ overlap (+0.8%) 129,478 ops/sec [127,848..129,961] → 117,539 ops/sec [116,983..117,692] 🔴 -9.2%
nested array destructuring 77,432 ops/sec [76,570..78,984] → 79,199 ops/sec [75,434..80,675] ~ overlap (+2.3%) 44,165 ops/sec [42,805..45,932] → 40,191 ops/sec [39,449..40,705] 🔴 -9.0%
swap variables 181,378 ops/sec [180,937..182,158] → 185,327 ops/sec [181,609..186,737] ~ overlap (+2.2%) 155,853 ops/sec [150,051..159,288] → 141,869 ops/sec [140,337..142,470] 🔴 -9.0%
simple object destructuring 117,912 ops/sec [115,862..119,429] → 120,134 ops/sec [118,227..121,758] ~ overlap (+1.9%) 120,233 ops/sec [117,474..121,992] → 106,754 ops/sec [106,257..107,856] 🔴 -11.2%
with defaults 139,374 ops/sec [138,455..141,569] → 141,586 ops/sec [138,505..142,993] ~ overlap (+1.6%) 189,687 ops/sec [184,032..198,335] → 166,744 ops/sec [165,744..167,843] 🔴 -12.1%
with renaming 129,227 ops/sec [127,627..132,713] → 126,211 ops/sec [123,076..134,586] ~ overlap (-2.3%) 128,154 ops/sec [121,085..128,872] → 115,667 ops/sec [114,866..116,132] 🔴 -9.7%
nested object destructuring 64,216 ops/sec [63,587..66,399] → 65,106 ops/sec [63,567..66,843] ~ overlap (+1.4%) 67,261 ops/sec [66,295..67,808] → 58,936 ops/sec [58,532..59,101] 🔴 -12.4%
rest properties 49,336 ops/sec [47,883..50,435] → 49,211 ops/sec [48,334..49,962] ~ overlap (-0.3%) 62,752 ops/sec [61,091..64,081] → 55,002 ops/sec [54,824..55,303] 🔴 -12.4%
object parameter 37,172 ops/sec [36,716..37,199] → 36,670 ops/sec [36,562..37,328] ~ overlap (-1.4%) 58,266 ops/sec [56,097..60,072] → 52,311 ops/sec [51,537..52,375] 🔴 -10.2%
array parameter 48,029 ops/sec [47,417..48,399] → 48,314 ops/sec [48,223..48,507] ~ overlap (+0.6%) 59,625 ops/sec [58,297..60,555] → 54,560 ops/sec [53,459..55,216] 🔴 -8.5%
mixed destructuring in map 9,413 ops/sec [9,309..9,450] → 9,200 ops/sec [9,028..9,326] ~ overlap (-2.3%) 13,373 ops/sec [13,074..14,240] → 12,221 ops/sec [11,763..12,549] 🔴 -8.6%
forEach with array destructuring 22,706 ops/sec [22,520..22,907] → 22,729 ops/sec [22,286..22,973] ~ overlap (+0.1%) 20,579 ops/sec [20,364..20,707] → 19,326 ops/sec [19,190..19,412] 🔴 -6.1%
map with array destructuring 22,319 ops/sec [22,083..22,494] → 22,597 ops/sec [22,071..22,747] ~ overlap (+1.2%) 19,682 ops/sec [19,562..19,965] → 18,264 ops/sec [18,084..18,791] 🔴 -7.2%
filter with array destructuring 23,128 ops/sec [22,634..23,376] → 22,853 ops/sec [22,766..23,083] ~ overlap (-1.2%) 20,674 ops/sec [20,266..21,283] → 19,290 ops/sec [19,173..19,337] 🔴 -6.7%
reduce with array destructuring 24,788 ops/sec [24,488..25,542] → 24,910 ops/sec [24,674..25,318] ~ overlap (+0.5%) 21,277 ops/sec [20,772..21,477] → 19,572 ops/sec [19,278..19,678] 🔴 -8.0%
map with object destructuring 20,619 ops/sec [20,499..20,788] → 19,851 ops/sec [19,728..20,078] 🔴 -3.7% 27,681 ops/sec [27,388..28,359] → 25,152 ops/sec [22,437..25,488] 🔴 -9.1%
map with nested destructuring 17,774 ops/sec [17,485..18,320] → 17,499 ops/sec [17,305..17,774] ~ overlap (-1.5%) 26,532 ops/sec [25,952..27,328] → 23,865 ops/sec [23,583..24,519] 🔴 -10.1%
map with rest in destructuring 14,210 ops/sec [14,063..14,448] → 14,066 ops/sec [13,735..14,328] ~ overlap (-1.0%) 10,540 ops/sec [10,205..10,953] → 9,806 ops/sec [9,581..9,950] 🔴 -7.0%
map with defaults in destructuring 16,963 ops/sec [16,707..17,531] → 16,353 ops/sec [15,967..17,136] ~ overlap (-3.6%) 22,701 ops/sec [22,366..23,480] → 20,573 ops/sec [20,003..21,160] 🔴 -9.4%
fibonacci.js — Interp: 🔴 1, 7 unch. · avg -0.6% · Bytecode: 🔴 8 · avg -10.8%
Benchmark Interpreted Δ Bytecode Δ
recursive fib(15) 98 ops/sec [97..98] → 96 ops/sec [94..102] ~ overlap (-1.5%) 492 ops/sec [486..501] → 430 ops/sec [426..434] 🔴 -12.5%
recursive fib(20) 9 ops/sec [9..9] → 9 ops/sec [9..9] ~ overlap (+0.4%) 44 ops/sec [44..45] → 39 ops/sec [39..39] 🔴 -11.2%
recursive fib(15) typed 100 ops/sec [98..101] → 99 ops/sec [97..101] ~ overlap (-0.6%) 503 ops/sec [500..508] → 446 ops/sec [442..450] 🔴 -11.4%
recursive fib(20) typed 9 ops/sec [9..9] → 9 ops/sec [9..9] ~ overlap (-0.2%) 45 ops/sec [45..45] → 40 ops/sec [40..40] 🔴 -11.3%
iterative fib(20) via reduce 4,253 ops/sec [4,230..4,262] → 4,197 ops/sec [4,192..4,364] ~ overlap (-1.3%) 8,140 ops/sec [8,070..8,234] → 7,384 ops/sec [7,256..7,533] 🔴 -9.3%
iterator fib(20) 3,212 ops/sec [3,168..3,242] → 3,234 ops/sec [3,211..3,254] ~ overlap (+0.7%) 5,278 ops/sec [5,231..5,384] → 4,698 ops/sec [4,621..4,780] 🔴 -11.0%
iterator fib(20) via Iterator.from + take 4,262 ops/sec [4,238..4,276] → 4,246 ops/sec [4,215..4,300] ~ overlap (-0.4%) 5,894 ops/sec [5,855..5,948] → 5,225 ops/sec [5,213..5,257] 🔴 -11.3%
iterator fib(20) last value via reduce 3,246 ops/sec [3,231..3,305] → 3,171 ops/sec [3,132..3,204] 🔴 -2.3% 4,386 ops/sec [4,348..4,503] → 4,022 ops/sec [3,970..4,060] 🔴 -8.3%
float16array.js — Interp: 🟢 1, 🔴 1, 30 unch. · avg +0.7% · Bytecode: 🔴 30, 2 unch. · avg -9.8%
Benchmark Interpreted Δ Bytecode Δ
new Float16Array(0) 112,262 ops/sec [110,036..114,176] → 114,339 ops/sec [112,281..115,523] ~ overlap (+1.8%) 144,320 ops/sec [143,857..144,555] → 132,328 ops/sec [129,053..135,080] 🔴 -8.3%
new Float16Array(100) 108,351 ops/sec [105,709..110,063] → 109,767 ops/sec [108,445..110,509] ~ overlap (+1.3%) 135,566 ops/sec [134,854..137,858] → 125,400 ops/sec [123,708..126,883] 🔴 -7.5%
new Float16Array(1000) 93,360 ops/sec [90,033..93,818] → 92,650 ops/sec [91,651..94,065] ~ overlap (-0.8%) 110,167 ops/sec [107,986..112,951] → 104,311 ops/sec [103,032..104,739] 🔴 -5.3%
Float16Array.from([...100]) 3,589 ops/sec [3,563..3,678] → 3,605 ops/sec [3,547..3,647] ~ overlap (+0.4%) 3,987 ops/sec [3,933..4,015] → 3,667 ops/sec [3,626..3,692] 🔴 -8.0%
Float16Array.of(1.5, 2.5, 3.5, 4.5, 5.5) 109,619 ops/sec [108,278..110,549] → 110,289 ops/sec [109,242..111,959] ~ overlap (+0.6%) 102,517 ops/sec [101,923..105,397] → 93,467 ops/sec [92,595..94,617] 🔴 -8.8%
new Float16Array(float64Array) 31,304 ops/sec [31,029..31,762] → 30,790 ops/sec [30,465..31,200] ~ overlap (-1.6%) 36,195 ops/sec [35,666..36,460] → 32,989 ops/sec [32,682..33,267] 🔴 -8.9%
sequential write 100 elements 905 ops/sec [879..926] → 930 ops/sec [919..938] ~ overlap (+2.7%) 2,138 ops/sec [2,100..2,160] → 1,996 ops/sec [1,917..2,025] 🔴 -6.6%
sequential read 100 elements 1,027 ops/sec [1,003..1,042] → 1,029 ops/sec [1,006..1,051] ~ overlap (+0.2%) 2,636 ops/sec [2,626..2,652] → 2,237 ops/sec [2,228..2,258] 🔴 -15.1%
write special values (NaN, Inf, -0) 30,314 ops/sec [28,856..31,375] → 30,713 ops/sec [30,374..31,327] ~ overlap (+1.3%) 47,641 ops/sec [47,564..47,798] → 42,788 ops/sec [41,681..43,275] 🔴 -10.2%
Float16Array write 915 ops/sec [907..925] → 930 ops/sec [913..937] ~ overlap (+1.7%) 2,089 ops/sec [2,067..2,094] → 1,939 ops/sec [1,911..1,943] 🔴 -7.2%
Float32Array write 924 ops/sec [915..930] → 913 ops/sec [903..921] ~ overlap (-1.3%) 2,110 ops/sec [2,086..2,113] → 1,919 ops/sec [1,896..1,937] 🔴 -9.0%
Float64Array write 956 ops/sec [949..966] → 940 ops/sec [922..948] 🔴 -1.7% 2,090 ops/sec [2,052..2,126] → 1,910 ops/sec [1,909..1,960] 🔴 -8.6%
Float16Array read 1,013 ops/sec [1,002..1,028] → 992 ops/sec [985..1,002] ~ overlap (-2.0%) 2,171 ops/sec [2,162..2,173] → 2,046 ops/sec [2,013..2,084] 🔴 -5.8%
Float32Array read 1,020 ops/sec [1,010..1,028] → 1,007 ops/sec [988..1,026] ~ overlap (-1.3%) 2,429 ops/sec [2,412..2,449] → 2,033 ops/sec [2,016..2,059] 🔴 -16.3%
Float64Array read 1,032 ops/sec [1,023..1,040] → 1,017 ops/sec [989..1,035] ~ overlap (-1.5%) 2,403 ops/sec [2,366..2,469] → 2,038 ops/sec [2,011..2,054] 🔴 -15.2%
fill(1.5) 4,084 ops/sec [4,048..4,164] → 4,169 ops/sec [4,064..4,322] ~ overlap (+2.1%) 4,704 ops/sec [4,661..4,771] → 4,262 ops/sec [4,231..4,314] 🔴 -9.4%
slice() 31,173 ops/sec [31,095..31,417] → 31,176 ops/sec [30,997..31,625] ~ overlap (+0.0%) 36,360 ops/sec [36,013..36,776] → 32,720 ops/sec [32,394..33,035] 🔴 -10.0%
map(x => x * 2) 1,927 ops/sec [1,901..1,957] → 1,961 ops/sec [1,943..1,986] ~ overlap (+1.8%) 2,845 ops/sec [2,761..2,933] → 2,317 ops/sec [2,293..2,351] 🔴 -18.6%
filter(x => x > 25) 1,949 ops/sec [1,905..2,006] → 1,965 ops/sec [1,923..1,973] ~ overlap (+0.8%) 3,000 ops/sec [2,913..3,034] → 2,442 ops/sec [2,429..2,504] 🔴 -18.6%
reduce (sum) 1,906 ops/sec [1,884..1,937] → 1,956 ops/sec [1,892..1,986] ~ overlap (+2.6%) 2,575 ops/sec [2,527..2,704] → 2,136 ops/sec [2,131..2,138] 🔴 -17.0%
sort() 10,238 ops/sec [10,186..10,264] → 10,283 ops/sec [10,256..10,345] ~ overlap (+0.4%) 10,545 ops/sec [10,440..10,571] → 10,383 ops/sec [10,253..10,593] ~ overlap (-1.5%)
indexOf() 27,811 ops/sec [27,789..27,941] → 28,664 ops/sec [28,144..29,018] 🟢 +3.1% 31,456 ops/sec [31,192..31,882] → 28,604 ops/sec [28,201..29,069] 🔴 -9.1%
reverse() 34,223 ops/sec [33,790..34,361] → 34,695 ops/sec [34,220..34,869] ~ overlap (+1.4%) 40,086 ops/sec [39,565..40,533] → 35,478 ops/sec [34,471..36,197] 🔴 -11.5%
toReversed() 25,389 ops/sec [25,230..25,689] → 25,886 ops/sec [25,605..26,011] ~ overlap (+2.0%) 27,628 ops/sec [27,056..28,032] → 26,199 ops/sec [25,840..26,488] 🔴 -5.2%
toSorted() 376 ops/sec [372..378] → 374 ops/sec [367..376] ~ overlap (-0.6%) 384 ops/sec [379..389] → 377 ops/sec [375..380] ~ overlap (-2.0%)
create view over existing buffer 124,719 ops/sec [122,580..129,276] → 130,106 ops/sec [126,456..130,574] ~ overlap (+4.3%) 164,766 ops/sec [161,036..168,011] → 145,544 ops/sec [142,357..148,005] 🔴 -11.7%
subarray() 145,146 ops/sec [142,778..147,452] → 147,488 ops/sec [145,968..148,285] ~ overlap (+1.6%) 178,573 ops/sec [176,351..185,363] → 158,200 ops/sec [156,472..159,760] 🔴 -11.4%
set() from array 120,112 ops/sec [119,277..120,893] → 120,836 ops/sec [118,763..122,054] ~ overlap (+0.6%) 152,273 ops/sec [150,725..153,111] → 133,224 ops/sec [132,608..134,433] 🔴 -12.5%
for-of loop 1,843 ops/sec [1,811..1,872] → 1,852 ops/sec [1,838..1,855] ~ overlap (+0.5%) 8,324 ops/sec [7,673..8,521] → 7,414 ops/sec [7,363..7,462] 🔴 -10.9%
spread into array 6,979 ops/sec [6,906..7,071] → 7,033 ops/sec [6,980..7,136] ~ overlap (+0.8%) 29,386 ops/sec [29,047..29,420] → 25,656 ops/sec [25,249..25,807] 🔴 -12.7%
f16round(1.337) 236,105 ops/sec [230,799..240,830] → 238,247 ops/sec [236,354..240,925] ~ overlap (+0.9%) 243,552 ops/sec [240,312..244,759] → 219,201 ops/sec [217,708..229,603] 🔴 -10.0%
f16round over 100 values 1,397 ops/sec [1,389..1,424] → 1,397 ops/sec [1,389..1,414] ~ overlap (-0.0%) 2,758 ops/sec [2,733..2,773] → 2,722 ops/sec [2,710..2,733] 🔴 -1.3%
for-of.js — Interp: 7 unch. · avg -0.5% · Bytecode: 🔴 7 · avg -9.7%
Benchmark Interpreted Δ Bytecode Δ
for...of with 10-element array 17,186 ops/sec [17,026..17,225] → 17,201 ops/sec [16,922..17,432] ~ overlap (+0.1%) 116,848 ops/sec [115,704..119,156] → 107,053 ops/sec [103,185..107,351] 🔴 -8.4%
for...of with 100-element array 1,951 ops/sec [1,927..1,980] → 1,957 ops/sec [1,954..1,964] ~ overlap (+0.3%) 15,870 ops/sec [15,688..15,974] → 14,164 ops/sec [14,071..14,395] 🔴 -10.7%
for...of with string (10 chars) 12,999 ops/sec [12,914..13,151] → 12,766 ops/sec [12,679..12,935] ~ overlap (-1.8%) 34,224 ops/sec [34,086..34,387] → 30,738 ops/sec [30,444..30,882] 🔴 -10.2%
for...of with Set (10 elements) 17,703 ops/sec [17,504..18,120] → 17,219 ops/sec [17,029..17,693] ~ overlap (-2.7%) 114,148 ops/sec [112,211..115,992] → 101,620 ops/sec [100,370..104,053] 🔴 -11.0%
for...of with Map entries (10 entries) 11,898 ops/sec [11,878..12,061] → 12,001 ops/sec [11,849..12,134] ~ overlap (+0.9%) 16,704 ops/sec [16,294..16,809] → 15,290 ops/sec [14,694..15,532] 🔴 -8.5%
for...of with destructuring 14,660 ops/sec [14,630..14,692] → 14,748 ops/sec [14,601..14,989] ~ overlap (+0.6%) 21,720 ops/sec [21,142..22,002] → 19,758 ops/sec [19,424..20,131] 🔴 -9.0%
for-await-of with sync array 16,421 ops/sec [16,282..16,667] → 16,285 ops/sec [16,101..16,506] ~ overlap (-0.8%) 16,344 ops/sec [15,954..16,878] → 14,745 ops/sec [14,479..14,964] 🔴 -9.8%
generators.js — Interp: 4 unch. · avg +0.8% · Bytecode: 🔴 4 · avg -9.0%
Benchmark Interpreted Δ Bytecode Δ
manual next over object generator 799 ops/sec [787..812] → 788 ops/sec [773..800] ~ overlap (-1.3%) 1,004 ops/sec [989..1,019] → 910 ops/sec [904..917] 🔴 -9.4%
for...of over object generator 1,217 ops/sec [1,208..1,234] → 1,217 ops/sec [1,189..1,261] ~ overlap (-0.0%) 1,901 ops/sec [1,848..1,915] → 1,734 ops/sec [1,713..1,749] 🔴 -8.8%
yield delegation 1,209 ops/sec [1,202..1,223] → 1,216 ops/sec [1,214..1,222] ~ overlap (+0.6%) 1,901 ops/sec [1,819..1,932] → 1,750 ops/sec [1,742..1,759] 🔴 -7.9%
class generator method 1,188 ops/sec [1,171..1,223] → 1,234 ops/sec [1,171..1,260] ~ overlap (+3.8%) 1,920 ops/sec [1,881..1,937] → 1,732 ops/sec [1,706..1,734] 🔴 -9.8%
iterators.js — Interp: 🟢 1, 🔴 13, 28 unch. · avg -0.9% · Bytecode: 🔴 41, 1 unch. · avg -8.2%
Benchmark Interpreted Δ Bytecode Δ
Iterator.from({next}).toArray() — 20 elements 3,777 ops/sec [3,720..3,801] → 3,778 ops/sec [3,640..3,818] ~ overlap (+0.0%) 5,741 ops/sec [5,648..5,829] → 5,112 ops/sec [5,099..5,138] 🔴 -11.0%
Iterator.from({next}).toArray() — 50 elements 1,624 ops/sec [1,614..1,629] → 1,582 ops/sec [1,563..1,603] 🔴 -2.6% 2,389 ops/sec [2,361..2,426] → 2,144 ops/sec [2,110..2,181] 🔴 -10.3%
spread pre-wrapped iterator — 20 elements 3,807 ops/sec [3,781..3,833] → 3,729 ops/sec [3,718..3,757] 🔴 -2.0% 5,759 ops/sec [5,693..5,863] → 5,119 ops/sec [5,027..5,173] 🔴 -11.1%
Iterator.from({next}).forEach — 50 elements 1,156 ops/sec [1,148..1,166] → 1,128 ops/sec [1,109..1,148] ~ overlap (-2.4%) 1,813 ops/sec [1,789..1,823] → 1,617 ops/sec [1,609..1,642] 🔴 -10.8%
Iterator.from({next}).reduce — 50 elements 1,153 ops/sec [1,127..1,166] → 1,161 ops/sec [1,130..1,198] ~ overlap (+0.7%) 1,827 ops/sec [1,807..1,846] → 1,623 ops/sec [1,610..1,631] 🔴 -11.2%
wrap array iterator 67,223 ops/sec [66,151..67,561] → 65,939 ops/sec [64,671..66,961] ~ overlap (-1.9%) 77,602 ops/sec [77,239..78,046] → 70,478 ops/sec [70,177..71,406] 🔴 -9.2%
wrap plain {next()} object 2,622 ops/sec [2,607..2,636] → 2,583 ops/sec [2,567..2,587] 🔴 -1.5% 4,075 ops/sec [3,917..4,089] → 3,670 ops/sec [3,660..3,717] 🔴 -9.9%
map + toArray (50 elements) 1,175 ops/sec [1,160..1,186] → 1,159 ops/sec [1,125..1,189] ~ overlap (-1.3%) 1,800 ops/sec [1,771..1,810] → 1,637 ops/sec [1,628..1,640] 🔴 -9.1%
filter + toArray (50 elements) 1,163 ops/sec [1,156..1,165] → 1,134 ops/sec [1,119..1,159] ~ overlap (-2.5%) 1,836 ops/sec [1,809..1,842] → 1,631 ops/sec [1,628..1,637] 🔴 -11.2%
take(10) + toArray (50 element source) 7,283 ops/sec [7,184..7,381] → 7,130 ops/sec [7,000..7,175] 🔴 -2.1% 10,777 ops/sec [10,683..10,934] → 9,551 ops/sec [9,483..9,640] 🔴 -11.4%
drop(40) + toArray (50 element source) 1,608 ops/sec [1,579..1,650] → 1,613 ops/sec [1,579..1,645] ~ overlap (+0.4%) 2,521 ops/sec [2,493..2,524] → 2,251 ops/sec [2,238..2,266] 🔴 -10.7%
chained map + filter + take (100 element source) 2,269 ops/sec [2,229..2,290] → 2,182 ops/sec [2,142..2,200] 🔴 -3.8% 3,431 ops/sec [3,409..3,447] → 3,007 ops/sec [2,973..3,023] 🔴 -12.4%
some + every (50 elements) 677 ops/sec [668..681] → 649 ops/sec [648..651] 🔴 -4.0% 1,052 ops/sec [1,045..1,066] → 946 ops/sec [939..961] 🔴 -10.1%
find (50 elements) 1,495 ops/sec [1,483..1,510] → 1,453 ops/sec [1,427..1,477] 🔴 -2.8% 2,277 ops/sec [2,243..2,310] → 2,028 ops/sec [1,988..2,047] 🔴 -10.9%
concat 2 arrays (10 + 10 elements) 62,910 ops/sec [61,750..63,572] → 61,713 ops/sec [60,671..62,811] ~ overlap (-1.9%) 72,284 ops/sec [62,780..73,280] → 67,108 ops/sec [66,527..67,957] ~ overlap (-7.2%)
concat 5 arrays (10 elements each) 37,009 ops/sec [36,916..37,109] → 36,954 ops/sec [36,797..37,719] ~ overlap (-0.1%) 43,671 ops/sec [42,728..45,008] → 39,726 ops/sec [39,390..40,467] 🔴 -9.0%
concat 2 arrays (20 + 20 elements) 53,610 ops/sec [53,541..53,703] → 52,758 ops/sec [52,589..53,091] 🔴 -1.6% 60,472 ops/sec [59,650..60,666] → 56,152 ops/sec [55,229..57,092] 🔴 -7.1%
concat + filter + toArray (20 + 20 elements) 4,879 ops/sec [4,826..4,917] → 4,566 ops/sec [4,544..4,586] 🔴 -6.4% 7,386 ops/sec [7,325..7,939] → 6,505 ops/sec [6,395..6,607] 🔴 -11.9%
concat + map + take (20 + 20 elements, take 10) 15,211 ops/sec [14,982..15,544] → 15,327 ops/sec [15,137..15,509] ~ overlap (+0.8%) 21,826 ops/sec [21,713..22,082] → 19,499 ops/sec [19,206..19,729] 🔴 -10.7%
concat Sets (15 + 15 elements) 60,507 ops/sec [60,010..62,498] → 61,225 ops/sec [60,367..61,894] ~ overlap (+1.2%) 67,893 ops/sec [66,367..68,951] → 62,837 ops/sec [60,100..64,355] 🔴 -7.4%
concat strings (13 + 13 characters) 43,432 ops/sec [42,903..43,531] → 43,346 ops/sec [42,914..43,856] ~ overlap (-0.2%) 46,620 ops/sec [45,636..47,855] → 43,727 ops/sec [43,003..45,041] 🔴 -6.2%
zip 2 arrays (10 + 10 elements) 25,676 ops/sec [25,365..26,270] → 25,077 ops/sec [24,829..25,243] 🔴 -2.3% 28,059 ops/sec [27,569..28,306] → 26,381 ops/sec [26,126..26,875] 🔴 -6.0%
zip 3 arrays (10 elements each) 23,195 ops/sec [22,762..23,307] → 23,098 ops/sec [22,806..23,302] ~ overlap (-0.4%) 25,748 ops/sec [25,031..25,808] → 24,137 ops/sec [23,768..24,898] 🔴 -6.3%
zip 2 arrays (20 + 20 elements) 17,041 ops/sec [16,859..17,138] → 16,901 ops/sec [16,561..17,089] ~ overlap (-0.8%) 18,420 ops/sec [18,329..18,521] → 17,714 ops/sec [17,382..17,956] 🔴 -3.8%
zip 2 arrays (50 + 50 elements) 8,751 ops/sec [8,688..8,815] → 8,607 ops/sec [8,352..8,775] ~ overlap (-1.6%) 9,437 ops/sec [9,246..9,607] → 8,957 ops/sec [8,804..9,023] 🔴 -5.1%
zip shortest mode (20 + 10 elements) 26,214 ops/sec [25,480..26,487] → 25,729 ops/sec [25,351..25,828] ~ overlap (-1.9%) 28,087 ops/sec [27,499..28,540] → 26,447 ops/sec [26,343..26,756] 🔴 -5.8%
zip longest mode (10 + 20 elements) 15,561 ops/sec [15,367..15,657] → 15,116 ops/sec [14,921..15,354] 🔴 -2.9% 15,987 ops/sec [15,854..16,333] → 15,206 ops/sec [15,010..15,475] 🔴 -4.9%
zip strict mode (20 + 20 elements) 16,362 ops/sec [16,075..16,655] → 16,538 ops/sec [16,275..16,716] ~ overlap (+1.1%) 17,732 ops/sec [17,575..17,876] → 16,671 ops/sec [16,504..16,802] 🔴 -6.0%
zip + map + toArray (20 + 20 elements) 6,150 ops/sec [6,101..6,235] → 6,163 ops/sec [6,047..6,362] ~ overlap (+0.2%) 5,089 ops/sec [5,059..5,164] → 4,912 ops/sec [4,845..4,965] 🔴 -3.5%
zip + filter + toArray (20 + 20 elements) 6,074 ops/sec [5,960..6,194] → 6,070 ops/sec [5,922..6,177] ~ overlap (-0.1%) 5,217 ops/sec [5,148..5,345] → 4,816 ops/sec [4,808..4,857] 🔴 -7.7%
zip Sets (15 + 15 elements) 21,466 ops/sec [21,148..21,615] → 20,758 ops/sec [20,562..22,037] ~ overlap (-3.3%) 23,049 ops/sec [22,858..23,339] → 21,417 ops/sec [20,809..21,605] 🔴 -7.1%
zipKeyed 2 keys (10 elements each) 23,174 ops/sec [23,020..23,643] → 25,502 ops/sec [23,343..25,875] ~ overlap (+10.0%) 26,166 ops/sec [25,701..26,444] → 24,137 ops/sec [23,902..24,598] 🔴 -7.8%
zipKeyed 3 keys (20 elements each) 12,804 ops/sec [12,057..12,883] → 12,095 ops/sec [11,913..12,333] ~ overlap (-5.5%) 12,775 ops/sec [12,633..12,998] → 11,934 ops/sec [11,751..11,968] 🔴 -6.6%
zipKeyed longest mode (10 + 20 elements) 14,449 ops/sec [14,112..14,718] → 14,641 ops/sec [14,588..14,773] ~ overlap (+1.3%) 14,347 ops/sec [14,150..14,500] → 13,106 ops/sec [12,989..13,342] 🔴 -8.6%
zipKeyed strict mode (20 + 20 elements) 14,168 ops/sec [13,833..15,476] → 15,378 ops/sec [14,907..15,604] ~ overlap (+8.5%) 15,340 ops/sec [15,198..15,763] → 14,445 ops/sec [14,313..14,616] 🔴 -5.8%
zipKeyed + filter + map (20 elements) 4,167 ops/sec [4,126..4,229] → 4,403 ops/sec [4,383..4,444] 🟢 +5.7% 5,558 ops/sec [5,446..5,631] → 5,105 ops/sec [5,039..5,166] 🔴 -8.2%
array.values().map().filter().toArray() 2,079 ops/sec [2,061..2,098] → 2,051 ops/sec [2,015..2,068] ~ overlap (-1.3%) 3,359 ops/sec [3,257..3,421] → 3,118 ops/sec [3,093..3,145] 🔴 -7.2%
array.values().take(5).toArray() 87,315 ops/sec [85,885..88,309] → 85,394 ops/sec [83,254..86,852] ~ overlap (-2.2%) 99,161 ops/sec [97,504..100,127] → 92,931 ops/sec [90,262..94,836] 🔴 -6.3%
array.values().drop(45).toArray() 71,430 ops/sec [69,662..71,999] → 69,651 ops/sec [68,454..70,154] ~ overlap (-2.5%) 81,885 ops/sec [80,896..82,859] → 75,449 ops/sec [74,283..75,524] 🔴 -7.9%
map.entries() chained helpers 3,189 ops/sec [3,168..3,216] → 3,096 ops/sec [3,022..3,156] 🔴 -2.9% 2,555 ops/sec [2,544..2,569] → 2,410 ops/sec [2,365..2,417] 🔴 -5.7%
set.values() chained helpers 4,924 ops/sec [4,878..4,982] → 4,785 ops/sec [4,728..4,855] 🔴 -2.8% 7,496 ops/sec [7,420..7,553] → 6,609 ops/sec [6,505..6,775] 🔴 -11.8%
string iterator map + toArray 4,480 ops/sec [4,451..4,512] → 4,434 ops/sec [4,390..4,472] ~ overlap (-1.0%) 5,154 ops/sec [5,119..5,199] → 4,857 ops/sec [4,812..4,872] 🔴 -5.8%
json.js — Interp: 🔴 3, 17 unch. · avg -0.7% · Bytecode: 🔴 19, 1 unch. · avg -11.1%
Benchmark Interpreted Δ Bytecode Δ
parse simple object 66,563 ops/sec [62,913..67,638] → 64,647 ops/sec [64,046..66,254] ~ overlap (-2.9%) 78,034 ops/sec [77,007..78,880] → 68,847 ops/sec [68,557..69,136] 🔴 -11.8%
parse nested object 42,901 ops/sec [42,609..44,129] → 43,586 ops/sec [42,993..44,503] ~ overlap (+1.6%) 50,920 ops/sec [50,435..51,442] → 45,476 ops/sec [44,985..45,571] 🔴 -10.7%
parse array of objects 25,298 ops/sec [25,123..26,264] → 25,995 ops/sec [25,563..26,353] ~ overlap (+2.8%) 30,947 ops/sec [29,722..31,345] → 27,897 ops/sec [27,787..28,317] 🔴 -9.9%
parse large flat object 27,119 ops/sec [26,361..27,603] → 26,873 ops/sec [26,716..28,831] ~ overlap (-0.9%) 32,992 ops/sec [32,854..33,213] → 29,300 ops/sec [28,984..29,760] 🔴 -11.2%
parse mixed types 32,695 ops/sec [31,990..34,486] → 33,076 ops/sec [31,574..33,740] ~ overlap (+1.2%) 39,192 ops/sec [37,877..39,604] → 34,256 ops/sec [33,141..34,695] 🔴 -12.6%
stringify simple object 71,458 ops/sec [68,610..75,766] → 70,145 ops/sec [69,409..72,789] ~ overlap (-1.8%) 69,192 ops/sec [68,929..69,303] → 61,717 ops/sec [60,853..62,236] 🔴 -10.8%
stringify nested object 40,704 ops/sec [40,383..42,089] → 41,403 ops/sec [40,410..41,941] ~ overlap (+1.7%) 39,565 ops/sec [39,261..39,636] → 34,249 ops/sec [33,974..35,124] 🔴 -13.4%
stringify array of objects 19,526 ops/sec [19,492..19,844] → 18,298 ops/sec [17,817..18,928] 🔴 -6.3% 20,848 ops/sec [20,705..21,069] → 18,273 ops/sec [18,147..18,496] 🔴 -12.4%
stringify mixed types 28,505 ops/sec [28,297..28,590] → 27,599 ops/sec [26,928..28,185] 🔴 -3.2% 28,037 ops/sec [27,051..28,793] → 24,386 ops/sec [24,069..24,920] 🔴 -13.0%
reviver doubles numbers 13,003 ops/sec [12,117..13,071] → 12,318 ops/sec [12,089..12,464] ~ overlap (-5.3%) 17,543 ops/sec [17,368..17,860] → 15,688 ops/sec [15,038..15,841] 🔴 -10.6%
reviver filters properties 11,765 ops/sec [11,635..11,854] → 11,776 ops/sec [11,579..11,919] ~ overlap (+0.1%) 15,095 ops/sec [15,024..15,430] → 13,644 ops/sec [13,464..13,843] 🔴 -9.6%
reviver on nested object 14,470 ops/sec [14,300..14,633] → 14,429 ops/sec [14,261..14,533] ~ overlap (-0.3%) 19,596 ops/sec [19,403..19,840] → 17,090 ops/sec [17,048..17,103] 🔴 -12.8%
reviver on array 7,587 ops/sec [7,574..7,614] → 7,556 ops/sec [7,516..7,574] 🔴 -0.4% 10,581 ops/sec [10,493..10,602] → 10,028 ops/sec [9,839..10,112] 🔴 -5.2%
replacer function doubles numbers 14,272 ops/sec [13,994..14,532] → 14,166 ops/sec [14,021..14,203] ~ overlap (-0.7%) 19,120 ops/sec [19,001..19,214] → 16,930 ops/sec [16,892..17,036] 🔴 -11.5%
replacer function excludes properties 19,041 ops/sec [18,523..19,182] → 18,863 ops/sec [18,571..19,032] ~ overlap (-0.9%) 23,696 ops/sec [23,579..23,846] → 21,117 ops/sec [20,908..21,310] 🔴 -10.9%
array replacer (allowlist) 43,582 ops/sec [43,404..43,819] → 43,319 ops/sec [42,151..43,969] ~ overlap (-0.6%) 41,695 ops/sec [36,148..41,945] → 38,170 ops/sec [36,578..38,694] ~ overlap (-8.5%)
stringify with 2-space indent 35,841 ops/sec [35,143..36,500] → 36,620 ops/sec [36,409..36,778] ~ overlap (+2.2%) 38,051 ops/sec [37,548..38,935] → 34,778 ops/sec [34,481..35,020] 🔴 -8.6%
stringify with tab indent 36,643 ops/sec [36,318..36,861] → 36,803 ops/sec [36,575..36,806] ~ overlap (+0.4%) 37,777 ops/sec [37,423..38,448] → 33,979 ops/sec [33,668..34,327] 🔴 -10.1%
parse then stringify 21,698 ops/sec [21,399..21,894] → 21,673 ops/sec [21,057..21,736] ~ overlap (-0.1%) 26,200 ops/sec [25,952..26,322] → 22,701 ops/sec [22,375..23,145] 🔴 -13.4%
stringify then parse 12,903 ops/sec [12,746..13,126] → 12,858 ops/sec [12,558..13,245] ~ overlap (-0.4%) 15,288 ops/sec [15,213..15,306] → 13,070 ops/sec [12,998..13,113] 🔴 -14.5%
jsx.jsx — Interp: 🟢 3, 18 unch. · avg +2.2% · Bytecode: 🔴 21 · avg -10.5%
Benchmark Interpreted Δ Bytecode Δ
simple element 82,086 ops/sec [80,934..86,425] → 84,414 ops/sec [83,242..85,806] ~ overlap (+2.8%) 108,117 ops/sec [106,420..111,819] → 97,228 ops/sec [95,068..98,927] 🔴 -10.1%
self-closing element 84,517 ops/sec [83,572..85,271] → 85,610 ops/sec [84,601..87,049] ~ overlap (+1.3%) 115,797 ops/sec [114,060..119,798] → 102,912 ops/sec [98,806..104,754] 🔴 -11.1%
element with string attribute 72,374 ops/sec [71,067..75,199] → 72,299 ops/sec [70,306..73,636] ~ overlap (-0.1%) 87,989 ops/sec [85,858..89,142] → 77,920 ops/sec [76,943..78,416] 🔴 -11.4%
element with multiple attributes 62,777 ops/sec [62,755..62,877] → 64,730 ops/sec [62,293..65,323] ~ overlap (+3.1%) 64,648 ops/sec [64,569..64,936] → 56,430 ops/sec [56,333..56,984] 🔴 -12.7%
element with expression attribute 67,246 ops/sec [65,281..67,570] → 69,778 ops/sec [68,595..70,611] 🟢 +3.8% 90,065 ops/sec [88,438..90,304] → 79,984 ops/sec [78,861..82,388] 🔴 -11.2%
text child 84,102 ops/sec [82,516..85,368] → 87,706 ops/sec [86,870..88,182] 🟢 +4.3% 110,450 ops/sec [107,453..110,608] → 96,730 ops/sec [94,600..99,400] 🔴 -12.4%
expression child 80,532 ops/sec [79,497..83,969] → 85,257 ops/sec [83,384..86,172] ~ overlap (+5.9%) 103,507 ops/sec [97,814..105,643] → 90,665 ops/sec [86,884..93,148] 🔴 -12.4%
mixed text and expression 75,931 ops/sec [75,868..78,617] → 81,520 ops/sec [77,462..83,968] ~ overlap (+7.4%) 93,840 ops/sec [92,848..95,344] → 83,821 ops/sec [83,241..85,016] 🔴 -10.7%
nested elements (3 levels) 31,676 ops/sec [31,595..32,730] → 31,931 ops/sec [31,606..32,359] ~ overlap (+0.8%) 40,753 ops/sec [40,001..42,918] → 36,989 ops/sec [35,970..37,431] 🔴 -9.2%
sibling children 23,836 ops/sec [23,489..23,958] → 23,835 ops/sec [23,756..24,154] ~ overlap (-0.0%) 29,815 ops/sec [29,305..30,310] → 26,650 ops/sec [26,216..27,240] 🔴 -10.6%
component element 61,848 ops/sec [60,632..62,903] → 62,265 ops/sec [60,777..63,389] ~ overlap (+0.7%) 80,195 ops/sec [78,956..84,547] → 71,991 ops/sec [70,930..73,932] 🔴 -10.2%
component with children 38,195 ops/sec [37,066..38,906] → 38,998 ops/sec [38,601..39,344] ~ overlap (+2.1%) 47,946 ops/sec [47,502..50,372] → 43,237 ops/sec [42,728..44,040] 🔴 -9.8%
dotted component 53,742 ops/sec [53,194..53,947] → 54,390 ops/sec [53,945..55,314] ~ overlap (+1.2%) 63,791 ops/sec [61,844..65,730] → 58,160 ops/sec [57,456..58,369] 🔴 -8.8%
empty fragment 83,218 ops/sec [82,394..86,110] → 86,494 ops/sec [85,851..88,170] ~ overlap (+3.9%) 120,107 ops/sec [117,763..120,275] → 106,822 ops/sec [105,191..108,104] 🔴 -11.1%
fragment with children 23,468 ops/sec [23,245..23,770] → 23,880 ops/sec [23,498..24,272] ~ overlap (+1.8%) 30,124 ops/sec [29,710..30,379] → 26,711 ops/sec [26,440..26,983] 🔴 -11.3%
spread attributes 44,361 ops/sec [42,369..44,878] → 45,971 ops/sec [44,924..46,669] 🟢 +3.6% 48,693 ops/sec [48,082..48,760] → 43,207 ops/sec [42,651..44,072] 🔴 -11.3%
spread with overrides 39,219 ops/sec [38,807..40,605] → 40,623 ops/sec [40,246..40,847] ~ overlap (+3.6%) 42,268 ops/sec [41,967..43,492] → 38,328 ops/sec [37,721..38,547] 🔴 -9.3%
shorthand props 62,733 ops/sec [61,845..64,270] → 63,097 ops/sec [61,907..63,858] ~ overlap (+0.6%) 71,428 ops/sec [69,740..72,857] → 64,626 ops/sec [64,144..64,851] 🔴 -9.5%
nav bar structure 11,395 ops/sec [11,286..11,514] → 11,547 ops/sec [11,378..11,708] ~ overlap (+1.3%) 13,715 ops/sec [13,513..14,427] → 12,699 ops/sec [12,271..12,790] 🔴 -7.4%
card component tree 13,892 ops/sec [13,704..14,252] → 13,631 ops/sec [13,529..13,795] ~ overlap (-1.9%) 15,522 ops/sec [15,323..16,035] → 13,943 ops/sec [13,765..14,089] 🔴 -10.2%
10 list items via Array.from 5,875 ops/sec [5,813..5,924] → 5,858 ops/sec [5,851..5,871] ~ overlap (-0.3%) 6,528 ops/sec [6,382..6,557] → 5,875 ops/sec [5,712..5,903] 🔴 -10.0%
modules.js — Interp: 9 unch. · avg +0.7% · Bytecode: 🔴 9 · avg -14.7%
Benchmark Interpreted Δ Bytecode Δ
call imported function 146,575 ops/sec [143,637..149,980] → 146,833 ops/sec [146,285..147,107] ~ overlap (+0.2%) 602,268 ops/sec [597,926..609,709] → 509,695 ops/sec [506,679..534,970] 🔴 -15.4%
call two imported functions 82,535 ops/sec [81,612..82,987] → 82,894 ops/sec [81,192..85,094] ~ overlap (+0.4%) 371,619 ops/sec [369,398..375,243] → 345,979 ops/sec [341,198..347,581] 🔴 -6.9%
read imported constant 475,128 ops/sec [466,310..484,180] → 476,155 ops/sec [464,882..490,085] ~ overlap (+0.2%) 1,360,164 ops/sec [1,338,233..1,374,588] → 1,153,956 ops/sec [1,133,819..1,208,001] 🔴 -15.2%
read imported string 469,270 ops/sec [468,703..471,649] → 472,370 ops/sec [463,274..479,080] ~ overlap (+0.7%) 1,378,169 ops/sec [1,331,412..1,440,708] → 1,139,991 ops/sec [1,125,908..1,146,006] 🔴 -17.3%
read JSON string property 477,596 ops/sec [474,588..483,903] → 483,431 ops/sec [467,190..499,720] ~ overlap (+1.2%) 1,361,124 ops/sec [1,256,367..1,442,618] → 1,142,669 ops/sec [1,139,776..1,148,880] 🔴 -16.0%
read JSON number property 476,927 ops/sec [474,231..477,382] → 477,606 ops/sec [464,493..498,614] ~ overlap (+0.1%) 1,377,354 ops/sec [1,370,980..1,400,033] → 1,140,059 ops/sec [1,117,665..1,150,707] 🔴 -17.2%
read JSON boolean property 476,430 ops/sec [465,079..481,522] → 469,411 ops/sec [449,814..481,210] ~ overlap (-1.5%) 1,362,065 ops/sec [1,352,285..1,386,480] → 1,147,165 ops/sec [1,141,605..1,152,297] 🔴 -15.8%
read JSON array property 459,330 ops/sec [451,934..462,661] → 467,680 ops/sec [457,215..473,264] ~ overlap (+1.8%) 1,356,066 ops/sec [1,344,727..1,372,112] → 1,153,439 ops/sec [1,149,838..1,165,022] 🔴 -14.9%
read multiple JSON properties 268,365 ops/sec [260,972..274,004] → 276,804 ops/sec [273,912..285,163] ~ overlap (+3.1%) 1,037,158 ops/sec [1,023,903..1,040,220] → 894,612 ops/sec [892,985..898,915] 🔴 -13.7%
numbers.js — Interp: 11 unch. · avg -0.4% · Bytecode: 🔴 11 · avg -7.9%
Benchmark Interpreted Δ Bytecode Δ
integer arithmetic 148,577 ops/sec [146,291..150,289] → 148,100 ops/sec [147,144..150,258] ~ overlap (-0.3%) 555,671 ops/sec [546,910..563,500] → 521,951 ops/sec [519,179..527,823] 🔴 -6.1%
floating point arithmetic 175,891 ops/sec [174,806..176,770] → 172,791 ops/sec [170,553..176,645] ~ overlap (-1.8%) 289,018 ops/sec [285,892..290,558] → 265,113 ops/sec [261,037..267,650] 🔴 -8.3%
number coercion 67,414 ops/sec [66,794..67,750] → 66,720 ops/sec [64,319..67,623] ~ overlap (-1.0%) 94,477 ops/sec [94,126..97,493] → 87,343 ops/sec [87,119..87,737] 🔴 -7.6%
toFixed 39,879 ops/sec [39,704..40,062] → 39,255 ops/sec [38,586..39,954] ~ overlap (-1.6%) 44,003 ops/sec [43,238..44,058] → 39,302 ops/sec [39,186..39,584] 🔴 -10.7%
toString 61,460 ops/sec [61,256..61,536] → 60,420 ops/sec [59,048..63,067] ~ overlap (-1.7%) 74,202 ops/sec [73,319..75,894] → 68,354 ops/sec [67,659..69,134] 🔴 -7.9%
valueOf 90,678 ops/sec [89,235..92,507] → 91,201 ops/sec [88,133..91,661] ~ overlap (+0.6%) 109,945 ops/sec [106,599..112,814] → 102,474 ops/sec [101,534..103,047] 🔴 -6.8%
toPrecision 35,593 ops/sec [35,229..36,354] → 35,819 ops/sec [34,559..36,334] ~ overlap (+0.6%) 38,252 ops/sec [37,942..40,152] → 35,852 ops/sec [35,326..36,016] 🔴 -6.3%
Number.isNaN 108,168 ops/sec [106,032..110,165] → 109,548 ops/sec [107,638..109,626] ~ overlap (+1.3%) 125,307 ops/sec [122,189..132,215] → 111,942 ops/sec [111,378..112,215] 🔴 -10.7%
Number.isFinite 106,047 ops/sec [104,741..107,110] → 106,734 ops/sec [105,905..107,091] ~ overlap (+0.6%) 106,082 ops/sec [104,988..112,534] → 98,096 ops/sec [97,342..98,213] 🔴 -7.5%
Number.isInteger 110,241 ops/sec [108,234..112,356] → 109,604 ops/sec [108,058..110,468] ~ overlap (-0.6%) 112,628 ops/sec [108,528..115,241] → 103,653 ops/sec [102,631..104,152] 🔴 -8.0%
Number.parseInt and parseFloat 86,893 ops/sec [85,583..88,107] → 85,999 ops/sec [84,218..86,985] ~ overlap (-1.0%) 85,209 ops/sec [83,690..88,456] → 78,679 ops/sec [78,015..78,993] 🔴 -7.7%
objects.js — Interp: 🟢 1, 🔴 1, 5 unch. · avg -1.2% · Bytecode: 🔴 7 · avg -11.1%
Benchmark Interpreted Δ Bytecode Δ
create simple object 177,002 ops/sec [172,872..179,969] → 172,544 ops/sec [170,720..173,620] ~ overlap (-2.5%) 169,446 ops/sec [168,668..170,330] → 147,229 ops/sec [142,917..151,963] 🔴 -13.1%
create nested object 93,817 ops/sec [91,383..96,402] → 91,258 ops/sec [90,029..92,729] ~ overlap (-2.7%) 75,527 ops/sec [75,134..76,000] → 66,515 ops/sec [65,418..68,296] 🔴 -11.9%
create 50 objects via Array.from 3,234 ops/sec [3,177..3,352] → 3,199 ops/sec [3,158..3,220] ~ overlap (-1.1%) 3,208 ops/sec [3,195..3,222] → 2,863 ops/sec [2,805..2,890] 🔴 -10.8%
property read 185,190 ops/sec [182,004..189,579] → 182,516 ops/sec [180,449..184,043] ~ overlap (-1.4%) 301,300 ops/sec [297,854..302,734] → 259,282 ops/sec [256,022..268,332] 🔴 -13.9%
Object.keys 118,613 ops/sec [117,776..119,910] → 118,366 ops/sec [117,460..119,307] ~ overlap (-0.2%) 141,082 ops/sec [137,329..143,133] → 125,186 ops/sec [122,981..128,305] 🔴 -11.3%
Object.entries 48,267 ops/sec [47,416..49,297] → 47,285 ops/sec [47,086..47,387] 🔴 -2.0% 53,935 ops/sec [53,026..54,787] → 49,338 ops/sec [47,824..50,296] 🔴 -8.5%
spread operator 76,725 ops/sec [76,525..77,183] → 77,853 ops/sec [77,497..78,320] 🟢 +1.5% 74,817 ops/sec [73,156..78,116] → 68,794 ops/sec [67,546..69,286] 🔴 -8.1%
promises.js — Interp: 🟢 1, 🔴 2, 9 unch. · avg -0.5% · Bytecode: 🔴 8, 4 unch. · avg -6.5%
Benchmark Interpreted Δ Bytecode Δ
Promise.resolve(value) 187,696 ops/sec [186,616..187,800] → 190,701 ops/sec [187,327..193,754] ~ overlap (+1.6%) 223,675 ops/sec [220,754..230,603] → 210,463 ops/sec [209,709..211,417] 🔴 -5.9%
new Promise(resolve => resolve(value)) 70,698 ops/sec [69,116..71,159] → 70,999 ops/sec [70,707..71,243] ~ overlap (+0.4%) 102,112 ops/sec [99,523..102,929] → 93,939 ops/sec [93,111..94,254] 🔴 -8.0%
Promise.reject(reason) 189,609 ops/sec [186,523..190,127] → 194,987 ops/sec [192,035..196,758] 🟢 +2.8% 229,660 ops/sec [221,958..235,434] → 214,332 ops/sec [213,082..217,070] 🔴 -6.7%
resolve + then (1 handler) 71,144 ops/sec [69,861..71,516] → 72,459 ops/sec [71,027..73,317] ~ overlap (+1.8%) 93,999 ops/sec [91,985..98,319] → 86,077 ops/sec [85,802..86,311] 🔴 -8.4%
resolve + then chain (3 deep) 29,812 ops/sec [29,533..29,982] → 29,837 ops/sec [29,736..30,793] ~ overlap (+0.1%) 40,203 ops/sec [39,505..41,456] → 36,888 ops/sec [36,388..38,806] 🔴 -8.2%
resolve + then chain (10 deep) 9,794 ops/sec [9,685..10,358] → 9,896 ops/sec [9,666..10,132] ~ overlap (+1.0%) 13,520 ops/sec [13,098..14,158] → 13,058 ops/sec [13,022..13,114] ~ overlap (-3.4%)
reject + catch + then 45,058 ops/sec [44,812..45,189] → 42,912 ops/sec [42,168..44,157] 🔴 -4.8% 54,342 ops/sec [52,699..55,995] → 49,263 ops/sec [48,771..49,511] 🔴 -9.3%
resolve + finally + then 39,193 ops/sec [36,914..39,695] → 37,820 ops/sec [36,861..38,500] ~ overlap (-3.5%) 46,205 ops/sec [44,234..46,827] → 41,718 ops/sec [41,440..44,706] ~ overlap (-9.7%)
Promise.all (5 resolved) 15,186 ops/sec [14,891..15,484] → 15,399 ops/sec [15,184..15,672] ~ overlap (+1.4%) 16,399 ops/sec [15,898..16,827] → 15,407 ops/sec [15,382..16,200] ~ overlap (-6.0%)
Promise.race (5 resolved) 16,441 ops/sec [16,071..17,453] → 16,155 ops/sec [15,908..16,383] ~ overlap (-1.7%) 17,536 ops/sec [17,438..17,618] → 16,898 ops/sec [16,428..17,052] 🔴 -3.6%
Promise.allSettled (5 mixed) 13,762 ops/sec [13,675..13,877] → 12,828 ops/sec [12,774..13,057] 🔴 -6.8% 14,054 ops/sec [13,548..14,294] → 13,411 ops/sec [13,227..13,758] ~ overlap (-4.6%)
Promise.any (5 mixed) 15,279 ops/sec [15,022..15,413] → 15,431 ops/sec [15,373..15,532] ~ overlap (+1.0%) 16,595 ops/sec [16,380..16,937] → 15,985 ops/sec [15,831..16,087] 🔴 -3.7%
regexp.js — Interp: 🔴 2, 9 unch. · avg -1.7% · Bytecode: 🟢 5, 🔴 5, 1 unch. · avg -2.3%
Benchmark Interpreted Δ Bytecode Δ
regex literal creation 8,276 ops/sec [8,169..8,423] → 7,627 ops/sec [7,603..7,644] 🔴 -7.8% 8,797 ops/sec [8,597..8,939] → 7,249 ops/sec [7,065..7,612] 🔴 -17.6%
new RegExp(pattern, flags) 8,095 ops/sec [8,074..8,119] → 7,539 ops/sec [7,491..7,619] 🔴 -6.9% 8,836 ops/sec [8,732..8,984] → 7,210 ops/sec [7,012..7,600] 🔴 -18.4%
RegExp(existingRegex) returns the same regex 223,654 ops/sec [221,449..228,404] → 230,878 ops/sec [226,635..232,753] ~ overlap (+3.2%) 373,348 ops/sec [362,254..378,910] → 325,295 ops/sec [324,384..325,377] 🔴 -12.9%
test() on a global regex 38,648 ops/sec [38,561..38,788] → 38,494 ops/sec [38,095..38,754] ~ overlap (-0.4%) 46,176 ops/sec [45,944..46,241] → 41,093 ops/sec [40,966..41,522] 🔴 -11.0%
exec() with capture groups 15,565 ops/sec [15,453..15,687] → 15,677 ops/sec [15,033..15,939] ~ overlap (+0.7%) 14,880 ops/sec [14,760..15,115] → 15,995 ops/sec [15,926..16,213] 🟢 +7.5%
toString() 187,644 ops/sec [185,583..189,498] → 185,589 ops/sec [180,572..190,884] ~ overlap (-1.1%) 247,393 ops/sec [245,911..255,038] → 223,881 ops/sec [221,547..226,016] 🔴 -9.5%
match() with global regex 1,713 ops/sec [1,700..1,738] → 1,685 ops/sec [1,651..1,719] ~ overlap (-1.6%) 1,549 ops/sec [1,538..1,556] → 1,694 ops/sec [1,665..1,726] 🟢 +9.3%
matchAll() with capture groups 3,768 ops/sec [3,635..3,821] → 3,696 ops/sec [3,684..3,716] ~ overlap (-1.9%) 3,950 ops/sec [3,881..4,000] → 3,976 ops/sec [3,972..3,979] ~ overlap (+0.7%)
replace() with global regex 1,680 ops/sec [1,661..1,694] → 1,671 ops/sec [1,643..1,711] ~ overlap (-0.5%) 1,521 ops/sec [1,505..1,544] → 1,658 ops/sec [1,627..1,681] 🟢 +9.0%
search() with regex 1,863 ops/sec [1,836..1,874] → 1,829 ops/sec [1,810..1,848] ~ overlap (-1.8%) 1,635 ops/sec [1,623..1,678] → 1,821 ops/sec [1,771..1,856] 🟢 +11.4%
split() with regex separator 1,382 ops/sec [1,368..1,390] → 1,372 ops/sec [1,364..1,379] ~ overlap (-0.7%) 1,265 ops/sec [1,247..1,299] → 1,349 ops/sec [1,342..1,352] 🟢 +6.6%
strings.js — Interp: 19 unch. · avg -0.3% · Bytecode: 🔴 19 · avg -11.3%
Benchmark Interpreted Δ Bytecode Δ
string concatenation 151,986 ops/sec [150,031..154,606] → 155,831 ops/sec [146,790..156,822] ~ overlap (+2.5%) 857,510 ops/sec [829,813..866,073] → 740,645 ops/sec [732,941..741,551] 🔴 -13.6%
template literal 280,539 ops/sec [272,461..281,947] → 278,120 ops/sec [275,584..280,850] ~ overlap (-0.9%) 614,287 ops/sec [562,859..622,126] → 517,667 ops/sec [501,890..524,545] 🔴 -15.7%
string repeat 165,000 ops/sec [162,360..168,264] → 168,116 ops/sec [162,220..173,280] ~ overlap (+1.9%) 199,349 ops/sec [197,379..201,177] → 186,934 ops/sec [180,469..188,001] 🔴 -6.2%
split and join 28,005 ops/sec [27,759..29,010] → 27,449 ops/sec [27,181..28,199] ~ overlap (-2.0%) 32,893 ops/sec [32,707..32,970] → 27,571 ops/sec [27,300..29,182] 🔴 -16.2%
indexOf and includes 51,926 ops/sec [49,885..53,124] → 50,642 ops/sec [50,472..51,023] ~ overlap (-2.5%) 54,129 ops/sec [53,746..55,219] → 46,044 ops/sec [45,925..47,900] 🔴 -14.9%
toUpperCase and toLowerCase 82,508 ops/sec [80,735..83,275] → 82,409 ops/sec [81,324..84,960] ~ overlap (-0.1%) 97,936 ops/sec [96,795..98,612] → 82,664 ops/sec [80,826..85,123] 🔴 -15.6%
slice and substring 49,876 ops/sec [49,068..50,735] → 50,099 ops/sec [49,850..51,188] ~ overlap (+0.4%) 60,095 ops/sec [59,486..63,387] → 51,128 ops/sec [50,317..53,264] 🔴 -14.9%
trim operations 73,903 ops/sec [73,224..74,852] → 75,379 ops/sec [74,282..76,638] ~ overlap (+2.0%) 81,727 ops/sec [81,630..81,821] → 75,578 ops/sec [73,138..76,373] 🔴 -7.5%
replace and replaceAll 51,382 ops/sec [51,029..51,994] → 51,063 ops/sec [50,475..51,469] ~ overlap (-0.6%) 53,528 ops/sec [52,074..56,379] → 47,778 ops/sec [46,893..48,689] 🔴 -10.7%
startsWith and endsWith 47,734 ops/sec [47,096..48,861] → 46,980 ops/sec [46,555..47,744] ~ overlap (-1.6%) 46,353 ops/sec [45,911..48,317] → 43,057 ops/sec [40,817..44,289] 🔴 -7.1%
padStart and padEnd 72,101 ops/sec [69,196..73,304] → 71,770 ops/sec [71,005..72,329] ~ overlap (-0.5%) 76,479 ops/sec [76,054..76,630] → 69,884 ops/sec [68,097..70,835] 🔴 -8.6%
identity tag, no substitutions 156,076 ops/sec [149,973..157,516] → 150,536 ops/sec [149,381..151,636] ~ overlap (-3.5%) 504,585 ops/sec [497,756..519,491] → 429,449 ops/sec [424,375..440,376] 🔴 -14.9%
tag with 1 substitution 31,840 ops/sec [31,577..32,996] → 31,629 ops/sec [31,222..31,837] ~ overlap (-0.7%) 48,197 ops/sec [47,931..48,459] → 43,006 ops/sec [42,734..43,571] 🔴 -10.8%
tag with 3 substitutions 17,129 ops/sec [16,846..17,287] → 16,876 ops/sec [16,758..17,165] ~ overlap (-1.5%) 28,087 ops/sec [27,762..29,037] → 24,895 ops/sec [24,792..25,072] 🔴 -11.4%
tag with 6 substitutions 10,257 ops/sec [10,167..10,299] → 10,325 ops/sec [10,080..10,424] ~ overlap (+0.7%) 16,589 ops/sec [16,237..16,751] → 14,822 ops/sec [14,738..14,888] 🔴 -10.7%
String.raw, no substitutions 219,873 ops/sec [215,367..220,939] → 219,815 ops/sec [216,499..223,093] ~ overlap (-0.0%) 232,890 ops/sec [225,227..245,284] → 209,218 ops/sec [207,218..212,175] 🔴 -10.2%
String.raw, 2 substitutions 156,754 ops/sec [153,484..159,117] → 157,167 ops/sec [155,814..159,326] ~ overlap (+0.3%) 149,927 ops/sec [148,292..156,255] → 141,304 ops/sec [140,785..141,889] 🔴 -5.8%
tag accessing .raw array 61,741 ops/sec [60,836..62,841] → 62,545 ops/sec [62,336..62,632] ~ overlap (+1.3%) 80,305 ops/sec [79,483..82,545] → 73,728 ops/sec [72,294..74,582] 🔴 -8.2%
method as tag (this binding) 23,143 ops/sec [22,794..23,893] → 23,009 ops/sec [22,751..23,535] ~ overlap (-0.6%) 36,300 ops/sec [35,506..36,618] → 31,893 ops/sec [31,580..32,144] 🔴 -12.1%
tsv.js — Interp: 🔴 1, 8 unch. · avg -2.6% · Bytecode: 🔴 9 · avg -9.4%
Benchmark Interpreted Δ Bytecode Δ
parse simple 3-column TSV 42,592 ops/sec [40,231..46,565] → 43,063 ops/sec [42,509..43,702] ~ overlap (+1.1%) 49,187 ops/sec [49,133..49,590] → 44,071 ops/sec [43,481..44,347] 🔴 -10.4%
parse 10-row TSV 11,672 ops/sec [11,552..11,746] → 11,663 ops/sec [11,318..11,971] ~ overlap (-0.1%) 13,162 ops/sec [12,987..13,370] → 11,681 ops/sec [11,573..11,749] 🔴 -11.2%
parse 100-row TSV 2,000 ops/sec [1,797..2,070] → 1,790 ops/sec [1,753..1,854] ~ overlap (-10.5%) 2,045 ops/sec [2,041..2,047] → 1,816 ops/sec [1,796..1,844] 🔴 -11.2%
parse TSV with backslash-escaped fields 9,726 ops/sec [9,720..9,735] → 8,751 ops/sec [8,607..8,967] 🔴 -10.0% 9,657 ops/sec [9,584..10,283] → 8,910 ops/sec [8,790..9,191] 🔴 -7.7%
parse without headers (array of arrays) 6,125 ops/sec [5,702..6,333] → 5,702 ops/sec [5,662..5,727] ~ overlap (-6.9%) 6,168 ops/sec [6,136..6,200] → 5,839 ops/sec [5,730..5,896] 🔴 -5.3%
stringify array of objects 39,441 ops/sec [38,824..39,801] → 39,270 ops/sec [39,149..40,648] ~ overlap (-0.4%) 45,779 ops/sec [45,722..46,471] → 41,200 ops/sec [40,787..41,528] 🔴 -10.0%
stringify array of arrays 11,598 ops/sec [11,558..11,651] → 11,624 ops/sec [11,531..11,681] ~ overlap (+0.2%) 13,140 ops/sec [13,098..13,237] → 11,768 ops/sec [11,670..11,825] 🔴 -10.4%
stringify with values needing escaping 31,091 ops/sec [30,838..31,361] → 31,716 ops/sec [31,092..32,257] ~ overlap (+2.0%) 36,074 ops/sec [35,861..36,288] → 32,701 ops/sec [32,128..33,078] 🔴 -9.3%
parse then stringify 6,588 ops/sec [6,425..6,683] → 6,651 ops/sec [6,557..6,716] ~ overlap (+0.9%) 7,520 ops/sec [7,461..7,592] → 6,825 ops/sec [6,753..7,019] 🔴 -9.2%
typed-arrays.js — Interp: 🟢 4, 🔴 9, 9 unch. · avg -12.7% · Bytecode: 🔴 20, 2 unch. · avg -13.5%
Benchmark Interpreted Δ Bytecode Δ
new Int32Array(0) 113,848 ops/sec [111,351..114,866] → 115,687 ops/sec [113,420..117,749] ~ overlap (+1.6%) 143,505 ops/sec [142,911..145,674] → 131,276 ops/sec [130,815..131,994] 🔴 -8.5%
new Int32Array(100) 108,777 ops/sec [107,981..109,818] → 109,390 ops/sec [106,027..109,918] ~ overlap (+0.6%) 135,635 ops/sec [134,488..137,104] → 126,161 ops/sec [124,676..128,181] 🔴 -7.0%
new Int32Array(1000) 81,517 ops/sec [80,946..83,129] → 83,929 ops/sec [83,069..85,217] ~ overlap (+3.0%) 94,608 ops/sec [93,354..95,885] → 92,972 ops/sec [91,981..93,964] ~ overlap (-1.7%)
new Float64Array(100) 104,000 ops/sec [103,131..104,668] → 108,406 ops/sec [105,400..112,795] 🟢 +4.2% 133,360 ops/sec [131,423..134,413] → 121,390 ops/sec [120,154..123,746] 🔴 -9.0%
Int32Array.from([...]) 3,625 ops/sec [3,599..3,663] → 3,728 ops/sec [3,633..3,860] ~ overlap (+2.8%) 4,048 ops/sec [4,018..4,109] → 3,759 ops/sec [3,712..3,794] 🔴 -7.1%
Int32Array.of(1, 2, 3, 4, 5) 112,464 ops/sec [111,934..113,236] → 115,407 ops/sec [113,547..117,456] 🟢 +2.6% 140,187 ops/sec [139,205..140,964] → 129,434 ops/sec [127,569..129,637] 🔴 -7.7%
sequential write 100 elements 977 ops/sec [976..985] → 995 ops/sec [991..1,001] 🟢 +1.8% 2,712 ops/sec [2,652..2,742] → 2,452 ops/sec [2,432..2,464] 🔴 -9.6%
sequential read 100 elements 1,037 ops/sec [1,026..1,068] → 1,225 ops/sec [1,035..1,634] ~ overlap (+18.1%) 2,694 ops/sec [2,662..2,764] → 2,413 ops/sec [2,404..2,426] 🔴 -10.4%
Float64Array write 100 elements 928 ops/sec [914..939] → 1,476 ops/sec [1,457..1,494] 🟢 +59.0% 2,100 ops/sec [2,099..2,105] → 1,941 ops/sec [1,933..1,969] 🔴 -7.6%
fill(42) 4,461 ops/sec [4,395..4,553] → 4,420 ops/sec [4,417..4,429] ~ overlap (-0.9%) 4,803 ops/sec [4,753..4,932] → 4,454 ops/sec [4,435..4,472] 🔴 -7.3%
slice() 35,208 ops/sec [34,055..36,150] → 34,182 ops/sec [33,929..34,456] ~ overlap (-2.9%) 39,929 ops/sec [39,807..40,526] → 36,443 ops/sec [36,252..36,546] 🔴 -8.7%
map(x => x * 2) 2,076 ops/sec [2,060..2,087] → 2,038 ops/sec [2,023..2,062] ~ overlap (-1.8%) 3,028 ops/sec [2,917..3,133] → 2,652 ops/sec [2,650..2,664] 🔴 -12.4%
filter(x => x > 50) 2,964 ops/sec [2,032..3,513] → 2,076 ops/sec [2,068..2,082] ~ overlap (-30.0%) 3,109 ops/sec [3,070..3,132] → 2,815 ops/sec [2,803..2,839] 🔴 -9.5%
reduce (sum) 3,361 ops/sec [3,320..3,396] → 2,025 ops/sec [2,019..2,033] 🔴 -39.7% 2,912 ops/sec [2,814..4,524] → 2,501 ops/sec [2,492..2,510] 🔴 -14.1%
sort() 34,416 ops/sec [33,649..34,722] → 21,448 ops/sec [21,395..21,700] 🔴 -37.7% 35,884 ops/sec [35,784..35,986] → 21,193 ops/sec [21,104..21,242] 🔴 -40.9%
indexOf() 55,638 ops/sec [54,896..56,002] → 32,877 ops/sec [32,344..33,127] 🔴 -40.9% 60,229 ops/sec [58,904..60,715] → 33,208 ops/sec [32,924..33,419] 🔴 -44.9%
reverse() 62,679 ops/sec [62,375..62,819] → 38,686 ops/sec [38,633..38,724] 🔴 -38.3% 65,914 ops/sec [65,792..66,271] → 39,501 ops/sec [39,310..39,900] 🔴 -40.1%
create view over existing buffer 203,616 ops/sec [201,215..204,740] → 131,350 ops/sec [130,354..134,493] 🔴 -35.5% 261,716 ops/sec [259,697..262,144] → 149,906 ops/sec [149,302..150,446] 🔴 -42.7%
subarray() 228,737 ops/sec [226,298..229,281] → 148,762 ops/sec [147,041..149,696] 🔴 -35.0% 287,392 ops/sec [283,815..296,247] → 162,363 ops/sec [159,490..163,135] 🔴 -43.5%
set() from array 202,686 ops/sec [199,193..203,522] → 124,730 ops/sec [123,342..125,246] 🔴 -38.5% 247,492 ops/sec [246,996..250,403] → 236,531 ops/sec [235,825..236,971] 🔴 -4.4%
for-of loop 3,050 ops/sec [3,017..3,077] → 1,985 ops/sec [1,902..1,998] 🔴 -34.9% 15,281 ops/sec [15,014..15,374] → 14,865 ops/sec [14,750..14,991] 🔴 -2.7%
spread into array 11,558 ops/sec [11,456..11,665] → 7,229 ops/sec [7,081..7,296] 🔴 -37.5% 31,299 ops/sec [30,645..47,457] → 44,835 ops/sec [44,545..45,421] ~ overlap (+43.2%)
uint8array-encoding.js — Interp: 🟢 7, 🔴 4, 7 unch. · avg +14.8% · Bytecode: 🟢 12, 🔴 4, 2 unch. · avg +32.9%
Benchmark Interpreted Δ Bytecode Δ
short (5 bytes) 195,364 ops/sec [193,249..196,331] → 195,609 ops/sec [192,266..199,630] ~ overlap (+0.1%) 254,418 ops/sec [252,843..256,153] → 231,705 ops/sec [230,057..234,118] 🔴 -8.9%
medium (450 bytes) 131,334 ops/sec [130,722..131,877] → 128,327 ops/sec [125,585..129,155] 🔴 -2.3% 154,881 ops/sec [152,973..156,812] → 140,830 ops/sec [138,875..143,089] 🔴 -9.1%
large (4096 bytes) 34,554 ops/sec [34,091..34,783] → 34,028 ops/sec [33,561..34,225] ~ overlap (-1.5%) 35,730 ops/sec [32,950..35,902] → 34,424 ops/sec [34,258..34,523] ~ overlap (-3.7%)
base64url alphabet 94,102 ops/sec [92,094..94,860] → 91,165 ops/sec [90,828..91,442] 🔴 -3.1% 100,255 ops/sec [98,451..100,438] → 88,495 ops/sec [87,573..127,776] ~ overlap (-11.7%)
omitPadding 124,223 ops/sec [122,357..126,174] → 130,097 ops/sec [122,500..199,658] ~ overlap (+4.7%) 138,863 ops/sec [137,677..139,818] → 192,890 ops/sec [190,489..194,954] 🟢 +38.9%
short (8 chars) 133,726 ops/sec [131,357..134,918] → 212,534 ops/sec [209,359..215,746] 🟢 +58.9% 153,609 ops/sec [152,194..157,534] → 220,605 ops/sec [217,764..221,650] 🟢 +43.6%
medium (600 chars) 70,524 ops/sec [68,304..70,995] → 115,314 ops/sec [113,995..115,846] 🟢 +63.5% 75,949 ops/sec [71,712..76,337] → 117,770 ops/sec [116,663..118,755] 🟢 +55.1%
large (5464 chars) 14,047 ops/sec [13,775..14,588] → 24,406 ops/sec [24,123..24,620] 🟢 +73.7% 14,637 ops/sec [14,468..15,332] → 24,672 ops/sec [24,346..24,836] 🟢 +68.6%
short (5 bytes) 204,877 ops/sec [203,340..205,923] → 200,399 ops/sec [199,181..201,326] 🔴 -2.2% 278,014 ops/sec [276,138..279,304] → 417,387 ops/sec [409,061..422,981] 🟢 +50.1%
medium (450 bytes) 116,216 ops/sec [114,988..120,759] → 119,315 ops/sec [118,956..119,458] ~ overlap (+2.7%) 146,099 ops/sec [144,075..147,381] → 218,178 ops/sec [217,941..218,443] 🟢 +49.3%
large (4096 bytes) 26,046 ops/sec [24,603..26,814] → 28,204 ops/sec [28,122..28,346] 🟢 +8.3% 28,649 ops/sec [28,379..28,920] → 45,315 ops/sec [45,211..45,422] 🟢 +58.2%
short (10 chars) 148,107 ops/sec [147,073..150,285] → 149,790 ops/sec [148,219..152,686] ~ overlap (+1.1%) 169,337 ops/sec [166,659..171,836] → 239,876 ops/sec [238,497..240,896] 🟢 +41.7%
medium (900 chars) 102,254 ops/sec [101,373..102,722] → 101,077 ops/sec [97,174..102,836] ~ overlap (-1.2%) 110,824 ops/sec [110,156..112,140] → 172,920 ops/sec [171,835..174,011] 🟢 +56.0%
large (8192 chars) 28,706 ops/sec [27,396..29,117] → 26,551 ops/sec [26,464..26,579] 🔴 -7.5% 28,177 ops/sec [27,650..31,071] → 50,437 ops/sec [49,995..51,295] 🟢 +79.0%
setFromBase64 (450 bytes) 60,915 ops/sec [60,763..61,623] → 62,339 ops/sec [62,173..62,433] 🟢 +2.3% 70,129 ops/sec [68,606..70,428] → 104,673 ops/sec [103,704..104,870] 🟢 +49.3%
setFromHex (450 bytes) 22,797 ops/sec [22,622..23,281] → 24,063 ops/sec [23,800..24,162] 🟢 +5.6% 26,220 ops/sec [26,110..26,418] → 39,589 ops/sec [39,301..39,708] 🟢 +51.0%
toBase64 → fromBase64 (450 bytes) 51,216 ops/sec [50,626..51,493] → 51,139 ops/sec [50,873..51,601] ~ overlap (-0.2%) 85,172 ops/sec [84,316..86,009] → 78,560 ops/sec [78,052..78,809] 🔴 -7.8%
toHex → fromHex (450 bytes) 62,050 ops/sec [61,555..62,982] → 101,712 ops/sec [100,921..101,992] 🟢 +63.9% 110,590 ops/sec [110,145..110,931] → 102,854 ops/sec [102,497..103,627] 🔴 -7.0%
weak-collections.js — Interp: 🟢 8, 🔴 2, 5 unch. · avg +21.5% · Bytecode: 🔴 15 · avg -24.5%
Benchmark Interpreted Δ Bytecode Δ
constructor from 50 entries 9,805 ops/sec [9,347..10,145] → 10,164 ops/sec [9,753..15,669] ~ overlap (+3.7%) 11,343 ops/sec [11,130..11,705] → 9,534 ops/sec [9,424..9,581] 🔴 -15.9%
set 50 object keys 3,659 ops/sec [3,598..3,756] → 3,702 ops/sec [3,546..3,783] ~ overlap (+1.2%) 7,965 ops/sec [4,801..8,026] → 4,287 ops/sec [4,209..4,331] 🔴 -46.2%
get lookups (50 entries) 57,083 ops/sec [56,307..92,061] → 57,300 ops/sec [56,719..58,113] ~ overlap (+0.4%) 149,350 ops/sec [148,211..150,261] → 85,850 ops/sec [80,348..86,540] 🔴 -42.5%
has checks (50 entries) 117,460 ops/sec [115,965..118,553] → 72,539 ops/sec [72,053..74,582] 🔴 -38.2% 187,881 ops/sec [182,263..188,613] → 108,732 ops/sec [108,489..109,374] 🔴 -42.1%
delete entries 5,539 ops/sec [5,514..5,580] → 3,484 ops/sec [3,137..5,588] ~ overlap (-37.1%) 7,737 ops/sec [7,624..7,761] → 4,222 ops/sec [4,187..4,248] 🔴 -45.4%
non-registered symbol keys 13,574 ops/sec [13,522..13,650] → 13,375 ops/sec [13,338..13,519] 🔴 -1.5% 18,463 ops/sec [18,401..18,571] → 10,122 ops/sec [10,064..10,158] 🔴 -45.2%
getOrInsert 5,491 ops/sec [5,446..5,524] → 5,552 ops/sec [5,543..5,561] 🟢 +1.1% 6,930 ops/sec [4,371..7,072] → 3,908 ops/sec [3,876..3,957] 🔴 -43.6%
getOrInsertComputed 2,822 ops/sec [2,805..2,847] → 2,850 ops/sec [2,798..2,879] ~ overlap (+1.0%) 2,311 ops/sec [2,275..2,319] → 2,134 ops/sec [2,129..2,153] 🔴 -7.7%
forced gc live-key retention 3,614 ops/sec [3,584..3,633] → 5,790 ops/sec [5,773..5,845] 🟢 +60.2% 3,997 ops/sec [3,962..4,031] → 3,783 ops/sec [3,758..3,811] 🔴 -5.3%
constructor from 50 values 12,839 ops/sec [12,653..12,928] → 22,448 ops/sec [22,393..22,551] 🟢 +74.8% 15,239 ops/sec [14,846..15,729] → 13,180 ops/sec [13,102..13,653] 🔴 -13.5%
add 50 object values 3,908 ops/sec [3,838..3,939] → 6,337 ops/sec [6,317..6,382] 🟢 +62.2% 5,159 ops/sec [5,134..5,371] → 4,676 ops/sec [4,668..4,711] 🔴 -9.4%
has checks (50 values) 73,982 ops/sec [73,441..74,825] → 116,920 ops/sec [115,104..119,497] 🟢 +58.0% 117,406 ops/sec [116,645..122,230] → 110,371 ops/sec [108,875..111,182] 🔴 -6.0%
delete values 10,686 ops/sec [10,309..10,717] → 17,995 ops/sec [17,926..18,025] 🟢 +68.4% 14,124 ops/sec [14,054..14,198] → 11,839 ops/sec [11,354..12,149] 🔴 -16.2%
non-registered symbol values 8,663 ops/sec [8,575..8,706] → 14,160 ops/sec [14,080..14,309] 🟢 +63.5% 13,661 ops/sec [11,871..19,487] → 10,435 ops/sec [10,404..10,555] 🔴 -23.6%
forced gc pruning smoke 6,758 ops/sec [4,275..6,852] → 7,135 ops/sec [7,022..7,209] 🟢 +5.6% 7,796 ops/sec [7,743..7,913] → 7,368 ops/sec [7,285..7,479] 🔴 -5.5%

Deterministic profile diff

Deterministic profile diff: no significant changes.

Measured on ubuntu-latest x64. Benchmark ranges compare cached main-branch min/max ops/sec with the PR run; overlapping ranges are treated as unchanged noise. Percentage deltas are secondary context.

@frostney frostney changed the title Centralize CLI parsed source handling Centralize CLI source pipeline handling May 25, 2026
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github-actions Bot commented May 25, 2026

test262 Conformance

Category Run Passed Δ Pass Failed Pass-rate Δ Rate
built-ins 23,449 16,067 +1 7,377 68.5% ±0pp
harness 116 72 ±0 44 62.1% ±0pp
intl402 3,324 935 ±0 2,389 28.1% ±0pp
language 23,635 14,433 ±0 9,202 61.1% ±0pp
staging 1,484 571 ±0 910 38.5% ±0pp
total 52,008 32,078 +1 19,922 61.7% ±0pp

Areas closest to 100%

Area Pass rate Δ vs main Passing
built-ins/WeakMap 99.3% ±0pp 140 / 141
built-ins/WeakSet 98.8% ±0pp 84 / 85
language/future-reserved-words 98.1% ±0pp 53 / 54
Per-test deltas (+1 / -0)

Newly passing (1):

  • built-ins/Number/prototype/toExponential/undefined-fractiondigits.js

Steady-state failures are non-blocking; regressions vs the cached main baseline (lower total pass count, or any PASS → non-PASS transition) fail the conformance gate. Measured on ubuntu-latest x64, bytecode mode. Areas grouped by the first two test262 path components; minimum 25 attempted tests, areas already at 100% excluded. Δ vs main compares against the most recent cached main baseline.

@frostney frostney marked this pull request as ready for review May 25, 2026 18:28
@coderabbitai coderabbitai Bot added documentation Improvements or additions to documentation new feature New feature or request internal Refactoring, CI, tooling, cleanup labels May 25, 2026
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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@source/app/GocciaBundler.dpr`:
- Around line 104-105: WriteSourceMapIfAvailable currently defaults
MapOutputPath from the original source path (AFileName/SourceName) which causes
.map files to be written beside sources instead of beside the emitted bytecode;
change the default MapOutputPath logic to derive from the resolved/emitted
bytecode output path (the same path ResolveOutputPath/EmitGBC or whatever
produces the .gbc uses) so the .map is written next to the generated .gbc;
update the call site that passes MapOutputPath (where
WriteSourceMapIfAvailable(ASourceMap, MapOutputPath, SourceName, ... ) is
invoked) to compute MapOutputPath from the resolved output filename for the
bytecode (not SourceName/AFileName) and ensure the code that constructs the
default map filename simply replaces the .gbc extension on that resolved output
path with .map.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 8d3547d0-e7e7-40e6-a6e4-cb149dd4e9cd

📥 Commits

Reviewing files that changed from the base of the PR and between 1e4617a and 6edd9d0.

📒 Files selected for processing (9)
  • docs/architecture.md
  • source/app/Goccia.CLI.SourceMaps.pas
  • source/app/Goccia.CLI.SourcePipelineResult.pas
  • source/app/GocciaBenchmarkRunner.dpr
  • source/app/GocciaBundler.dpr
  • source/app/GocciaREPL.dpr
  • source/app/GocciaScriptLoader.dpr
  • source/app/GocciaTestRunner.dpr
  • source/units/Goccia.SourcePipeline.pas

Comment thread source/app/GocciaBundler.dpr Outdated
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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@source/app/GocciaBundler.dpr`:
- Around line 138-139: The source-map is being written by
WriteSourceMapIfEnabled(SourcePipelineResult.SourceMap, AFileName, AOutputPath)
before the bytecode is saved via SaveModuleToFile, which can leave a .map for a
missing .gbc; move the call so source maps are emitted only after a successful
bytecode write (e.g., after SaveModuleToFile returns true) or relocate the
WriteSourceMapIfEnabled call into EmitBytecode's success path so both the .gbc
and .map are written together; ensure you check SaveModuleToFile's result and
only call WriteSourceMapIfEnabled when the bytecode save succeeded.
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Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

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Configuration used: Organization UI

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📥 Commits

Reviewing files that changed from the base of the PR and between 6edd9d0 and b0dfe4e.

📒 Files selected for processing (3)
  • source/app/Goccia.CLI.SourceMaps.pas
  • source/app/GocciaBundler.dpr
  • source/app/GocciaScriptLoader.dpr
🚧 Files skipped from review as they are similar to previous changes (1)
  • source/app/GocciaScriptLoader.dpr

Comment thread source/app/GocciaBundler.dpr Outdated
@frostney frostney merged commit 4f95508 into main May 29, 2026
14 checks passed
@frostney frostney deleted the t3code/1313e9ad branch May 29, 2026 05:23
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