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runtime: swiss map SIMD implementation for non-amd64 #71255

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prattmic opened this issue Jan 13, 2025 · 1 comment
Open

runtime: swiss map SIMD implementation for non-amd64 #71255

prattmic opened this issue Jan 13, 2025 · 1 comment
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arch-arm64 compiler/runtime Issues related to the Go compiler and/or runtime. Implementation Issues describing a semantics-preserving change to the Go implementation. NeedsFix The path to resolution is known, but the work has not been done. Performance
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@prattmic
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https://go.dev/cl/626277 (in 1.24) added SIMD implementations for swissmap (still 8-byte) control word operations for amd64. We could do similar for other architectures, if the SIMD implementations improve performance. ARM64 is the obvious target here given its wide use.
@prattmic prattmic added arch-arm64 compiler/runtime Issues related to the Go compiler and/or runtime. NeedsFix The path to resolution is known, but the work has not been done. Performance labels Jan 13, 2025
@prattmic prattmic added this to the Backlog milestone Jan 13, 2025
@gabyhelp gabyhelp added the Implementation Issues describing a semantics-preserving change to the Go implementation. label Jan 13, 2025
@Clement-Jean
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I'm interested in helping on this. I'll dig in the AMD64 implementation and try to come up with the ARM64 one

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arch-arm64 compiler/runtime Issues related to the Go compiler and/or runtime. Implementation Issues describing a semantics-preserving change to the Go implementation. NeedsFix The path to resolution is known, but the work has not been done. Performance
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@prattmic @Clement-Jean @gabyhelp