| commit | 098868b338e9afd3ef844070a94b9b10360d913f | [log] [tgz] |
|---|---|---|
| author | Szabolcs Nagy <nsz@port70.net> | Sun Oct 22 17:39:36 2017 +0000 |
| committer | Rich Felker <dalias@aerifal.cx> | Wed Apr 17 23:43:43 2019 -0400 |
| tree | 423730a900d0e74311a945fc014d961d3ba1d6ba | |
| parent | db505b794c697631f65e6b91ff106496debb86ac [diff] |
math: new log2f from https://github.com/ARM-software/optimized-routines, commit 04884bd04eac4b251da4026900010ea7d8850edc code size change: +177 bytes. benchmark on x86_64 before, after, speedup: -Os: log2f rthruput: 11.38 ns/call 5.99 ns/call 1.9x log2f latency: 35.01 ns/call 22.57 ns/call 1.55x -O3: log2f rthruput: 10.82 ns/call 5.58 ns/call 1.94x log2f latency: 35.13 ns/call 21.04 ns/call 1.67x