| commit | 504f0d04191943dbdbf6b8f3022585f75ca0bc83 | [log] [tgz] |
|---|---|---|
| author | Paul E. Murphy <murp@ibm.com> | Wed Jan 04 12:06:34 2023 -0600 |
| committer | Carlos Eduardo Seo <carlos.seo@linaro.org> | Mon Jan 30 14:01:05 2023 +0000 |
| tree | f332665fbf96db30fd4865f69d779a6841b5f0b2 | |
| parent | 932d0ae83ea8ce9adb2b23b28788b860447b1f61 [diff] |
crypto/sha512: reduce add usage on PPC64 Similar to sha256, minimize add usage by preloading constants. This results in a small performance uplift. Likewise, cleanup some unused macros and registers to make room for constants. On ppc64le/power9: Hash8Bytes/New 22.7MB/s ± 0% 24.1MB/s ± 0% +6.49% Hash8Bytes/Sum384 23.4MB/s ± 0% 24.9MB/s ± 0% +6.32% Hash8Bytes/Sum512 23.5MB/s ± 0% 24.9MB/s ± 0% +6.18% Hash1K/New 422MB/s ± 0% 455MB/s ± 0% +7.92% Hash1K/Sum384 424MB/s ± 0% 457MB/s ± 0% +7.78% Hash1K/Sum512 424MB/s ± 0% 457MB/s ± 0% +7.77% Hash8K/New 488MB/s ± 0% 528MB/s ± 0% +8.18% Hash8K/Sum384 481MB/s ± 0% 528MB/s ± 0% +9.76% Hash8K/Sum512 488MB/s ± 0% 515MB/s ± 0% +5.60% Change-Id: Ic604b482e3f6a9680b89c71399f85442f06fef3f Reviewed-on: https://go-review.googlesource.com/c/go/+/460459 Reviewed-by: Archana Ravindar <aravind5@in.ibm.com> Run-TryBot: Carlos Eduardo Seo <carlos.seo@linaro.org> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Carlos Eduardo Seo <carlos.seo@linaro.org> Reviewed-by: Lynn Boger <laboger@linux.vnet.ibm.com> Reviewed-by: Bryan Mills <bcmills@google.com>
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