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c5d241f06b
glibc/sysdeps/alpha
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Adhemerval Zanella c5d241f06b math: Use cbrtf from CORE-MATH 
The CORE-MATH implementation is correctly rounded (for any rounding mode)
and shows better performance to the generic cbrtf.

The code was adapted to glibc style and to use the definition of
math_config.h.

Benchtest on x64_64 (Ryzen 9 5900X, gcc 14.2.1), aarch64 (M1,
gcc 13.2.1), and powerpc (POWER10, gcc 13.2.1):

latency                       master        patched       improvement
x86_64                       68.6348        36.8908            46.25%
x86_64v2                     67.3418        36.6968            45.51%
x86_64v3                     63.4981        32.7859            48.37%
aarch64                      29.3172        12.1496            58.56%
power10                      18.0845         8.8893            50.85%
powerpc                      18.0859        8.79527            51.37%

reciprocal-throughput         master        patched       improvement
x86_64                       36.4369        13.3565            63.34%
x86_64v2                     37.3611        13.1149            64.90%
x86_64v3                     31.6024        11.2102            64.53%
aarch64                      18.6866        7.3474             60.68%
power10                       9.4758        3.6329             61.66%
powerpc                      9.58896        3.90439            59.28%

Signed-off-by: Alexei Sibidanov <sibid@uvic.ca>
Signed-off-by: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
2024-11-22 10:01:03 -03:00
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alphaev5 Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
alphaev6 Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
alphaev67 string: Use builtins for ffs and ffsll 2024-02-01 09:31:33 -03:00
bits Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
fpu math: Use cbrtf from CORE-MATH 2024-11-22 10:01:03 -03:00
nptl Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
__longjmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
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bsd-_setjmp.S Relocate alpha from ports to libc 2014-02-12 07:00:06 -08:00
bsd-setjmp.S Relocate alpha from ports to libc 2014-02-12 07:00:06 -08:00
configure configure: Use autoconf 2.71 2023-07-17 10:08:10 -04:00
configure.ac elf: Replace PI_STATIC_AND_HIDDEN with opposite HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 2022-04-26 09:26:22 -07:00
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lldiv.S Relocate alpha from ports to libc 2014-02-12 07:00:06 -08:00
local-soft-fp.h Remove sysdeps/alpha/soft-fp directory. 2018-05-23 17:29:20 +00:00
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math-use-builtins-ffs.h string: Use builtins for ffs and ffsll 2024-02-01 09:31:33 -03:00
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Versions Remove sysdeps/alpha/soft-fp directory. 2018-05-23 17:29:20 +00:00