]> git.ipfire.org Git - thirdparty/glibc.git/commit
math: Use asinhf from CORE-MATH
authorAdhemerval Zanella <adhemerval.zanella@linaro.org>
Thu, 14 Nov 2024 14:07:11 +0000 (11:07 -0300)
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>
Wed, 18 Dec 2024 20:24:43 +0000 (17:24 -0300)
commited608a40e2903351c64a3cea51ce8bd7c62996ef
treee4e517e967698aadb2ff89fef5cde47bbf70761c
parent5fb4b566efd7785ce6fc75d16e369b6918549620
math: Use asinhf from CORE-MATH

The CORE-MATH implementation is correctly rounded (for any rounding mode)
and shows slight better performance to the generic asinhf.

The code was adapted to glibc style and to use the definition of
math_config.h (to handle errno, overflow, and underflow).

Benchtest on x64_64 (Ryzen 9 5900X, gcc 14.2.1), aarch64 (Neoverse-N1,
gcc 13.3.1), and powerpc (POWER10, gcc 13.2.1):

Latency                      master        patched   improvement
x86_64                      64.5128        56.9717        11.69%
x86_64v2                    63.3065        57.2666         9.54%
x86_64v3                    62.8719        51.4170        18.22%
i686                       189.1630        137.635        27.24%
aarch64 (Neoverse)          25.3551        20.5757        18.85%
power10                     17.9712        13.3302        25.82%

reciprocal-throughput        master        patched   improvement
x86_64                      20.0844        15.4731        22.96%
x86_64v2                    19.2919        15.4000        20.17%
x86_64v3                    18.7226        11.9009        36.44%
i686                       103.7670        80.2681        22.65%
aarch64 (Neoverse)          12.5005        8.68969        30.49%
power10                      7.2220        5.03617        30.27%

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>:
Reviewed-by: DJ Delorie <dj@redhat.com>
28 files changed:
SHARED-FILES
sysdeps/aarch64/libm-test-ulps
sysdeps/alpha/fpu/libm-test-ulps
sysdeps/arc/fpu/libm-test-ulps
sysdeps/arc/nofpu/libm-test-ulps
sysdeps/arm/libm-test-ulps
sysdeps/csky/fpu/libm-test-ulps
sysdeps/csky/nofpu/libm-test-ulps
sysdeps/hppa/fpu/libm-test-ulps
sysdeps/i386/fpu/libm-test-ulps
sysdeps/i386/fpu/s_asinhf.S [deleted file]
sysdeps/i386/i686/fpu/multiarch/libm-test-ulps
sysdeps/ieee754/flt-32/s_asinhf.c
sysdeps/loongarch/lp64/libm-test-ulps
sysdeps/m68k/m680x0/fpu/libm-test-ulps
sysdeps/microblaze/libm-test-ulps
sysdeps/mips/mips32/libm-test-ulps
sysdeps/mips/mips64/libm-test-ulps
sysdeps/or1k/fpu/libm-test-ulps
sysdeps/or1k/nofpu/libm-test-ulps
sysdeps/powerpc/fpu/libm-test-ulps
sysdeps/powerpc/nofpu/libm-test-ulps
sysdeps/riscv/nofpu/libm-test-ulps
sysdeps/riscv/rvd/libm-test-ulps
sysdeps/s390/fpu/libm-test-ulps
sysdeps/sh/libm-test-ulps
sysdeps/sparc/fpu/libm-test-ulps
sysdeps/x86_64/fpu/libm-test-ulps