| commit | 7df930ee2e1d3bac7d080dfd994417c47fec94db | |
| author | Erik Lindahl <erik@kth.se> | |
| Wed, 9 Jul 2014 19:14:29 +0000 (9 21:14 +0200) | ||
| committer | Gerrit Code Review <gerrit@gerrit.gromacs.org> | |
| Wed, 10 Sep 2014 23:00:36 +0000 (11 01:00 +0200) | ||
| tree | 85ec165a065934e89749c119ac814b560d3d8f4e | treesnapshot (tar.gz zip) |
| parent | b2b75d45c43c98cf1362e0125381bfc6f0a85782 | commitdiff |
Improve performance of MIC exponential
The limited precision is due to argument scaling
rather than the exponential function lookup, so
instead of iterating we can improve the accuracy
with a simple correction step, similar to what
was done for the recent AVX-512ER implementation.
Change-Id: If55e7c4cefac5022e7211dfa56686cb9ee03a54a
The limited precision is due to argument scaling
rather than the exponential function lookup, so
instead of iterating we can improve the accuracy
with a simple correction step, similar to what
was done for the recent AVX-512ER implementation.
Change-Id: If55e7c4cefac5022e7211dfa56686cb9ee03a54a
| src/gromacs/simd/impl_intel_mic/impl_intel_mic.h | diffblobblamehistory |