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| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2014-08-31 13:17:24 +0300 |
|---|---|---|
| committer | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2014-10-04 15:36:01 +0300 |
| commit | de0ccd4dce7ec185a678d78878d4538dd609ca0f (patch) | |
| tree | 638f49809b7620692141ab9b87315706e99c7994 /configure.ac | |
| parent | 30bd759f398f45b04d0a783b875f59ce9bd1e51d (diff) | |
| download | libgcrypt-de0ccd4dce7ec185a678d78878d4538dd609ca0f.tar.gz | |
Add Whirlpool AMD64/SSE2 assembly implementation
* cipher/Makefile.am: Add 'whirlpool-sse2-amd64.S'.
* cipher/whirlpool-sse2-amd64.S: New.
* cipher/whirlpool.c (USE_AMD64_ASM): New.
(whirlpool_tables_s): New.
(rc, C0, C1, C2, C3, C4, C5, C6, C7): Combine these tables into single
structure and replace old tables with macros of same name.
(tab): New structure containing above tables.
[USE_AMD64_ASM] (_gcry_whirlpool_transform_amd64)
(whirlpool_transform): New.
* configure.ac [host=x86_64]: Add 'whirlpool-sse2-amd64.lo'.
--
Benchmark results:
On Intel Core i5-4570 (3.2 Ghz):
After:
WHIRLPOOL | 4.82 ns/B 197.8 MiB/s 15.43 c/B
Before:
WHIRLPOOL | 9.10 ns/B 104.8 MiB/s 29.13 c/B
On Intel Core i5-2450M (2.5 Ghz):
After:
WHIRLPOOL | 8.43 ns/B 113.1 MiB/s 21.09 c/B
Before:
WHIRLPOOL | 13.45 ns/B 70.92 MiB/s 33.62 c/B
On Intel Core2 T8100 (2.1 Ghz):
After:
WHIRLPOOL | 10.22 ns/B 93.30 MiB/s 21.47 c/B
Before:
WHIRLPOOL | 19.87 ns/B 48.00 MiB/s 41.72 c/B
Summary, old vs new ratio:
Intel Core i5-4570: 1.88x
Intel Core i5-2450M: 1.59x
Intel Core2 T8100: 1.94x
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 18db6620..d14b7f6f 100644 --- a/configure.ac +++ b/configure.ac @@ -1943,6 +1943,13 @@ LIST_MEMBER(whirlpool, $enabled_digests) if test "$found" = "1" ; then GCRYPT_DIGESTS="$GCRYPT_DIGESTS whirlpool.lo" AC_DEFINE(USE_WHIRLPOOL, 1, [Defined if this module should be included]) + + case "${host}" in + x86_64-*-*) + # Build with the assembly implementation + GCRYPT_DIGESTS="$GCRYPT_DIGESTS whirlpool-sse2-amd64.lo" + ;; + esac fi # rmd160 and sha1 should be included always. |