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FEXCore: Optimize VPCMPISTRX implicit length calculation #4345

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merged 1 commit into from
Feb 11, 2025

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@Sonicadvance1 Sonicadvance1 commented Feb 11, 2025

With ASIMD this can be decently faster. With my microbenchmark this makes pcmpistri ~6% faster.

With #4324 this can be made even faster since the incoming data can stay in vector registers; Removing some overhead of umov.

With ASIMD this can be decently faster. With my microbenchmark this
makes pcmpistri ~6% faster.

With FEX-Emu#4324 this can be made even faster since the incoming data can stay
in vector registers; Removing some overhead of umov.
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@lioncash lioncash left a comment

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Nice

@lioncash lioncash merged commit 2943cff into FEX-Emu:main Feb 11, 2025
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@Sonicadvance1 Sonicadvance1 deleted the optimize_pcmpistri branch February 11, 2025 17:52
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2 participants