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perf(cuda): disable timing on pinned transfer events #10714

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Merged
0ax1 merged 1 commit into from
Oct 23, 2026
Merged

perf(cuda): disable timing on pinned transfer events #10714

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2 changes: 1 addition & 1 deletion vortex-cuda/src/pinned.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ impl PinnedByteBuffer {
"pinned host buffer length {logical_len} exceeds capacity {capacity}"
);
let event = ctx
.new_event(Some(CUevent_flags::CU_EVENT_BLOCKING_SYNC))
.new_event(Some(CUevent_flags::CU_EVENT_DISABLE_TIMING))
.map_err(|e| vortex_err!("failed to create pinned host buffer event: {e}"))?;
// Keep file-I/O staging cacheable: cudarc's allocator uses write-combined memory,
// which makes CPU reads expensive.
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