From 72276d6e8843db6df5971b06787f0a5e39bda138 Mon Sep 17 00:00:00 2001 From: Andrew Senkevich Date: Sat, 16 Jan 2016 00:49:45 +0300 Subject: Added memcpy/memmove family optimized with AVX512 for KNL hardware. Added AVX512 implementations of memcpy, mempcpy, memmove, memcpy_chk, mempcpy_chk, memmove_chk. It shows average improvement more than 30% over AVX versions on KNL hardware (performance results in the thread ). * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Added new files. * sysdeps/x86_64/multiarch/ifunc-impl-list.c: Added new tests. * sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S: New file. * sysdeps/x86_64/multiarch/mempcpy-avx512-no-vzeroupper.S: Likewise. * sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S: Likewise. * sysdeps/x86_64/multiarch/memcpy.S: Added new IFUNC branch. * sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise. * sysdeps/x86_64/multiarch/memmove.c: Likewise. * sysdeps/x86_64/multiarch/memmove_chk.c: Likewise. * sysdeps/x86_64/multiarch/mempcpy.S: Likewise. * sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise. --- ChangeLog | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index 53413adee4..5d806648ef 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,17 @@ +2016-01-16 Andrew Senkevich + + * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Added new files. + * sysdeps/x86_64/multiarch/ifunc-impl-list.c: Added new tests. + * sysdeps/x86_64/multiarch/memcpy-avx512-no-vzeroupper.S: New file. + * sysdeps/x86_64/multiarch/mempcpy-avx512-no-vzeroupper.S: Likewise. + * sysdeps/x86_64/multiarch/memmove-avx512-no-vzeroupper.S: Likewise. + * sysdeps/x86_64/multiarch/memcpy.S: Added new IFUNC branch. + * sysdeps/x86_64/multiarch/memcpy_chk.S: Likewise. + * sysdeps/x86_64/multiarch/memmove.c: Likewise. + * sysdeps/x86_64/multiarch/memmove_chk.c: Likewise. + * sysdeps/x86_64/multiarch/mempcpy.S: Likewise. + * sysdeps/x86_64/multiarch/mempcpy_chk.S: Likewise. + 2016-01-15 Torvald Riegel [BZ #13065] -- cgit v1.2.3