diff options
| author | Eric Biggers <ebiggers@google.com> | 2024-12-12 13:28:39 -0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2024-12-21 22:46:24 +0800 |
| commit | 95791ccd112eddd1f31a2c7040122365add52a3f (patch) | |
| tree | b3cb08075107ec7dc3019b0b5c6f17e82bf0035d /tools/perf/scripts/python | |
| parent | crypto: x86/aes-gcm - code size optimization (diff) | |
| download | linux-95791ccd112eddd1f31a2c7040122365add52a3f.tar.gz linux-95791ccd112eddd1f31a2c7040122365add52a3f.zip | |
crypto: x86/aes-gcm - tune better for AMD CPUs
Reorganize the main loop to free up the RNDKEYLAST[0-3] registers and
use them for more cached round keys. This improves performance by about
2% on AMD Zen 4 and Zen 5. Intel performance remains about the same.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions