diff options
| author |  Benoit Steiner <benoit.steiner.goog@gmail.com> | 2015-12-11 09:19:57 -0800 |
|---|---|---|
| committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2015-12-11 09:19:57 -0800 |
| commit | b8861b0c25475d92f805a4481f3fb584c693a9a6 (patch) | |
| tree | 9a42ae4e155a74a69dfc276cf0ac0919777a6bc1 /Eigen | |
| parent | 9a415fb1e2970e18ba19c11a83ec52743faeb74f (diff) | |
Make sure the data is aligned on a 64 byte boundary when using avx512 instructions.
Diffstat (limited to 'Eigen')
| -rw-r--r-- | Eigen/src/Core/util/Macros.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/Macros.h b/Eigen/src/Core/util/Macros.h index fcad3694e..34f87ca40 100644 --- a/Eigen/src/Core/util/Macros.h +++ b/Eigen/src/Core/util/Macros.h @@ -589,6 +589,9 @@ namespace Eigen { // If the user explicitly disable vectorization, then we also disable alignment #if defined(EIGEN_DONT_VECTORIZE) #define EIGEN_IDEAL_MAX_ALIGN_BYTES 0 +#elif defined(__AVX512F__) + // 64 bytes static alignmeent is preferred only if really required + #define EIGEN_IDEAL_MAX_ALIGN_BYTES 64 #elif defined(__AVX__) // 32 bytes static alignmeent is preferred only if really required #define EIGEN_IDEAL_MAX_ALIGN_BYTES 32 |