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180897c161
glibc/sysdeps
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Noah Goldstein 180897c161 x86: Make the divisor in setting non_temporal_threshold cpu specific 
Different systems prefer a different divisors.

From benchmarks[1] so far the following divisors have been found:
    ICX     : 2
    SKX     : 2
    BWD     : 8

For Intel, we are generalizing that BWD and older prefers 8 as a
divisor, and SKL and newer prefers 2. This number can be further tuned
as benchmarks are run.

[1]: https://github.com/goldsteinn/memcpy-nt-benchmarks
Reviewed-by: DJ Delorie <dj@redhat.com>
2023-06-12 11:33:39 -05:00
..
aarch64 Fix a few more typos I missed in previous round -- BZ 25337 2023-06-02 23:46:32 +00:00
alpha Fix a few more typos I missed in previous round -- BZ 25337 2023-06-02 23:46:32 +00:00
arc Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
arm Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
csky Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
generic Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
gnu Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
hppa Fix a few more typos I missed in previous round -- BZ 25337 2023-06-02 23:46:32 +00:00
htl Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
hurd hurd: Fix using interposable hurd_thread_self 2023-05-19 20:45:51 +02:00
i386 Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
ia64 Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
ieee754 Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
loongarch Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
m68k Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
mach hurd: Fix x86_64 sigreturn restoring bogus reply_port 2023-06-04 19:05:51 +02:00
microblaze Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
mips Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
nios2 Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
nptl Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
or1k Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
posix posix: Add error message for EAI_OVERFLOW 2023-05-29 15:30:14 +02:00
powerpc Regenerate configure fragment -- BZ 25337. 2023-05-23 16:21:29 +00:00
pthread pthreads: Use _exit to terminate the tst-stdio1 test 2023-06-06 11:39:06 +02:00
riscv Revert "riscv: Resolve symbols directly for symbols with STO_RISCV_VARIANT_CC." 2023-05-07 14:16:03 +02:00
s390 Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
sh Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
sparc Fix misspellings in sysdeps/ -- BZ 25337 2023-05-30 23:02:29 +00:00
unix linux: Fail as unsupported if personality call is filtered 2023-06-05 12:51:48 -03:00
wordsize-32 Update copyright dates with scripts/update-copyrights 2023-01-06 21:14:39 +00:00
wordsize-64 hurd: Fix tst-writev test 2023-05-01 13:01:30 +02:00
x86 x86: Make the divisor in setting non_temporal_threshold cpu specific 2023-06-12 11:33:39 -05:00
x86_64 x86-64: Use YMM registers in memcmpeq-evex.S 2023-06-01 09:21:14 -07:00