[libc-commits] [PATCH] D130780: [libc][math] Added tanhf function.
Tue Ly via Phabricator via libc-commits
libc-commits at lists.llvm.org
Mon Aug 1 06:40:48 PDT 2022
lntue accepted this revision.
lntue added a comment.
This revision is now accepted and ready to land.
The implementation passed exhaustive tests for all 3 modes: SSE2, SSE4.2, and FMA.
And here is the performance number on Ryzen 1700:
$ CORE_MATH_PERF_MODE="rdtsc" ./perf.sh tanhf
CORE-MATH reciprocal throughput : 13.379
System LIBC reciprocal throughput : 55.843
LIBC reciprocal throughput : 25.130
$ CORE_MATH_PERF_MODE="rdtsc" ./perf.sh tanhf --latency
GNU libc version: 2.31
GNU libc release: stable
CORE-MATH latency : 43.814
System LIBC latency : 125.128
LIBC latency : 94.906
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D130780/new/
https://reviews.llvm.org/D130780
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