Liubov Dmitrieva 4b43400f6a optimize the following memcpy: sysdeps/i386/i686/multiarch/memcpy-ssse3.S ...

I've improved the following implementation of memcpy:
"sysdeps/i386/i686/multiarch/memcpy-ssse3.S".

The patch includes some minor style fixes, but the important part is
just using prefetch loops for the case:

DATA_CACHE_SIZE_HALF <= len <  SHARED_CACHE_SIZE_HALF and
src and dst pointers have unequal 16 byte alignments.

This gives from 6% - 50% performance boost on the atom machine, about
24,73% in geometric mean.

2012-03-30 16:45:27 -04:00

..

fpu

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2012-02-09 23:18:22 +00:00

multiarch

optimize the following memcpy: sysdeps/i386/i686/multiarch/memcpy-ssse3.S

2012-03-30 16:45:27 -04:00

add_n.S

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2012-02-09 23:18:22 +00:00

bcopy.S

Optimize 32bit memset/memcpy with SSE2/SSSE3.

2010-01-12 11:22:03 -08:00

bzero.S

* sysdeps/i386/add_n.S: Wrap entry-point symbol in BP_SYM ().

2000-06-26 22:15:00 +00:00

cacheinfo.c

32bit memset-sse2.S fails with uneven cache size

2010-11-05 07:57:46 -04:00

dl-hash.h

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2012-02-09 23:18:22 +00:00

ffs.c

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2012-02-09 23:18:22 +00:00

hp-timing.c

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2012-02-09 23:18:22 +00:00

hp-timing.h

Move stdio-common/_itoa.h to sysdeps/generic

2012-03-20 16:00:23 -07:00

Implies

[BZ #106]

2004-08-09 01:01:10 +00:00

Makefile

Pass -mtune=i686 to assembler when compiling for i686

2010-03-04 21:30:17 -08:00

memcmp.S

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2012-02-09 23:18:22 +00:00

memcpy_chk.S

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2012-02-09 23:18:22 +00:00

memcpy.S

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2012-02-09 23:18:22 +00:00

memmove_chk.S

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2012-02-09 23:18:22 +00:00

memmove.S

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2012-02-09 23:18:22 +00:00

mempcpy_chk.S

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2012-02-09 23:18:22 +00:00

mempcpy.S

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2012-02-09 23:18:22 +00:00

memset_chk.S

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2012-02-09 23:18:22 +00:00

memset.S

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2012-02-09 23:18:22 +00:00

memusage.h

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2012-02-09 23:18:22 +00:00

strcmp.S

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2012-02-09 23:18:22 +00:00

strtok_r.S

Update.

2004-07-10 20:00:44 +00:00

strtok.S

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2012-02-09 23:18:22 +00:00

tst-stack-align.h

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2012-02-09 23:18:22 +00:00