[libc-commits] [PATCH] D151049: [libc][math] Implement double precision log1p correctly rounded to all rounding modes.

Tue May 23 08:01:46 PDT 2023

zimmermann6 accepted this revision.
zimmermann6 added a comment.
This revision is now accepted and ready to land.

this function is faster than core-math, even for the reciprocal throughput, great work!

  GNU libc version: 2.36
  GNU libc release: stable
  [####################] 100 %
  Ntrial = 20 ; Min = 49.596 + 0.352 clc/call; Median-Min = 0.315 clc/call; Max = 50.216 clc/call;
  [####################] 100 %
  Ntrial = 20 ; Min = 26.743 + 0.357 clc/call; Median-Min = 0.333 clc/call; Max = 29.183 clc/call;
  [####################] 100 %
  Ntrial = 20 ; Min = 38.887 + 0.296 clc/call; Median-Min = 0.249 clc/call; Max = 41.140 clc/call;
  GNU libc version: 2.36
  GNU libc release: stable
  [####################] 100 %
  Ntrial = 20 ; Min = 94.356 + 0.365 clc/call; Median-Min = 0.288 clc/call; Max = 95.270 clc/call;
  [####################] 100 %
  Ntrial = 20 ; Min = 69.370 + 0.356 clc/call; Median-Min = 0.262 clc/call; Max = 70.010 clc/call;
  [####################] 100 %
  Ntrial = 20 ; Min = 67.833 + 0.346 clc/call; Median-Min = 0.292 clc/call; Max = 68.525 clc/call;

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D151049/new/

https://reviews.llvm.org/D151049