about summary refs log tree commit diff
path: root/sysdeps/x86_64/fpu/multiarch/e_logf-fma.c
Commit message (Collapse)AuthorAgeFilesLines
* x86-64: Add logf with FMAH.J. Lu2017-10-221-0/+3
For workload-spec2017.wrf, on Skylake, it improves performance by: Before After Improvement reciprocal-throughput 16.1534 13.8874 16% latency 41.9642 34.3072 22% * sysdeps/x86_64/fpu/multiarch/Makefile (libm-sysdep_routines): Add e_logf-fma. (CFLAGS-e_logf-fma.c): New. * sysdeps/x86_64/fpu/multiarch/e_logf-fma.c: New file. * sysdeps/x86_64/fpu/multiarch/e_logf.c: Likewise.