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feat: Fickl performance experiments - #5135

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shayanhabibi wants to merge 52 commits into

fable-compiler:mainfrom

shayanhabibi:main

Draft

feat: Fickl performance experiments#5135
shayanhabibi wants to merge 52 commits into
fable-compiler:mainfrom
shayanhabibi:main

Commits on Oct 15, 2026
- feat(js/ts): add CaseTest attribute for TypeScriptTaggedUnion cases that share a tag
  
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- feat(js/ts): warn when CaseTest is used outside a TypeScriptTaggedUnion
  
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  505ba56
- chore: update fable-metadata Fable.Core.dll for CaseTest
  
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  3353391
- Merge remote-tracking branch 'myfork/feat/ts-tagged-union-case-test' into main_fork
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Commits on Oct 20, 2026
- feat(js/ts): add InlineInterface for TypeScriptTaggedUnion cases
  
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  ead0773
- chore: update fable-metadata Fable.Core.dll for InlineInterface
  
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  6ce2aec
- chore: merge feat/ts-tagged-union-inline-interface into main_fork
  
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  26e4093
- chore: merge InlineInterface and CaseTest from main_fork
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  254af67
- chore(fickle): rename NuGet package identities to Fickle
  
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  8423053
- feat(fickle): move CaseTest and InlineInterface into Fickle.Core
  
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  fcaa079
- feat(fickle): add --timings phase report to the CLI
  
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  0951332
- feat(fickle): add Partas.Build CLI as Fickle.Build
  
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  56dde55
- chore(fickle): drop fickle-build launcher scripts
  
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  020b2bc
- build: add fcs-fork command to Fickle.Build
  
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  3a97972
- feat: compile against a net10-only FCS from fickle-fsharp
  
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  3e6f71e
- docs: record FCS profile findings in perf baseline
  
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  35c290a
- perf: skip witness codegen state for typars without trait constraints
  
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  52cd7c9
- docs: record that FCS type checking is the serial critical path
  
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  92f804b
- docs(perf): measure graph-based type checking headroom
  
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  da5f972
- perf: type check cold compiles in parallel over the file graph
  
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  5911fee
- perf: cache FCS symbol API results Fable reads repeatedly
  
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  66caf36
- perf: recheck only edited files and their dependents in watch mode
  
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  b7feb2c
- chore: remove build.bat and build.sh proxies
  
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  d0d6b68
- chore: point docs, workflows and tasks at src/Fickle.Build
  
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  8814b1f
- fix(js/ts): format DateTimeOffset in its own offset, not local time
  
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  8db380d
- chore: rename the fork from Fickle to Fickl
  
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  ddccdcf
- fix(cli): choose deduplicated output dirs under a lock
  
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  cbd6e3f
- feat(cli): record FCS activities with --timings
  
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  23634f2
- feat(cli): cache type-checked package sources across compilations
  
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  2410c3e
- docs(perf): record performance frontiers and package cache results
  
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Commits on Oct 21, 2026
- chore: release Fickl 0.2.0
  
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  289831b
- docs(perf): explain the Promise.fs stall in graph-based checking
  
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  09c39b0
- perf(fcs): skip extension methods when checking for IWSAMs used as types
  
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  097f0f7
- perf(cache): cache package sets that cannot be one assembly as one assembly per package
  
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  f61886c
- perf(cache): cache package sources for Python and BEAM
  
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  01e3488
- chore: release Fickl 0.3.0
  
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  1be7590
- perf(timings): report process JIT and CPU time
  
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  3c53677
- perf(cli): ship composite ReadyToRun tool packages, TieredPGO off
  
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  cc325f8
- chore: release Fickl 0.4.0
  
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  1f41576
- perf: overlap TargetFramework query with cracking and cache paket-files sources
  
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  d504db6
- chore: merge upstream fable-compiler/fable main
  
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  c110545
- perf: crack stated project references beside the main project
  
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  2deb7e2
- perf: skip dependents in watch mode when an edit keeps the file's signature
  
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  107b673
- chore: release Fickl 0.5.0
  
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  e1985bb
- fix: stop cracking's dotnet msbuild processes when the compiler exits
  
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  e3ddbca
- perf: turn off .NET CLI telemetry for the compiler's own dotnet processes
  
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  56687cf
- chore: release Fickl 0.5.1
  
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  a158c4f
- docs: record the Fickl 0.5.1 end-to-end benchmark
  
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  ce3a5aa
Commits on Oct 22, 2026

Commits

Commits on Oct 15, 2026

Commits on Oct 20, 2026

Commits on Oct 21, 2026

Commits on Oct 22, 2026