diff options
Diffstat (limited to 'Eigen/src/Core/CacheFriendlyProduct.h')
| -rw-r--r-- | Eigen/src/Core/CacheFriendlyProduct.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Eigen/src/Core/CacheFriendlyProduct.h b/Eigen/src/Core/CacheFriendlyProduct.h index a4cce99bf..051477cad 100644 --- a/Eigen/src/Core/CacheFriendlyProduct.h +++ b/Eigen/src/Core/CacheFriendlyProduct.h @@ -25,6 +25,11 @@ #ifndef EIGEN_CACHE_FRIENDLY_PRODUCT_H #define EIGEN_CACHE_FRIENDLY_PRODUCT_H +template <int L2MemorySize,typename Scalar> +struct ei_L2_block_traits { + enum {width = ei_meta_sqrt<L2MemorySize/(64*sizeof(Scalar))>::ret }; +}; + #ifndef EIGEN_EXTERN_INSTANTIATIONS template<typename Scalar> @@ -76,7 +81,7 @@ static void ei_cache_friendly_product( MaxBlockRows_ClampingMask = 0xFFFFF8, #endif // maximal size of the blocks fitted in L2 cache - MaxL2BlockSize = EIGEN_TUNE_FOR_L2_CACHE_SIZE / sizeof(Scalar) + MaxL2BlockSize = ei_L2_block_traits<EIGEN_TUNE_FOR_L2_CACHE_SIZE,Scalar>::width }; const bool resIsAligned = (PacketSize==1) || (((resStride%PacketSize) == 0) && (size_t(res)%16==0)); |