devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix performance regression introduced in changeset e56aabf205

Browse Source 
.
Register blocking sizes are better handled by the cache size heuristics.
The current code introduced very small blocks, for instance for 9x9 matrix,
thus killing performance.
This commit is contained in:
Gael Guennebaud
2016-07-02 15:40:56 +02:00
parent d161b8f03a
commit 672076db5d
1 changed files with 0 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Eigen/src/Core/products/GeneralBlockPanelKernel.h
View File

@@ -299,16 +299,6 @@ void computeProductBlockingSizes(Index& k, Index& m, Index& n, Index num_threads
if (!useSpecificBlockingSizes(k, m, n)) {
evaluateProductBlockingSizesHeuristic<LhsScalar, RhsScalar, KcFactor, Index>(k, m, n, num_threads);
}
typedef gebp_traits<LhsScalar,RhsScalar> Traits;
enum {
kr = 8,
mr = Traits::mr,
nr = Traits::nr
};
if (k > kr) k -= k % kr;
if (m > mr) m -= m % mr;
if (n > nr) n -= n % nr;
}
template<typename LhsScalar, typename RhsScalar, typename Index>