diff options
Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h b/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h index 06df1030b..2b5749f55 100644 --- a/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h +++ b/unsupported/Eigen/CXX11/src/Tensor/TensorDeviceSycl.h @@ -14,7 +14,23 @@ #if defined(EIGEN_USE_SYCL) && !defined(EIGEN_CXX11_TENSOR_TENSOR_DEVICE_SYCL_H) #define EIGEN_CXX11_TENSOR_TENSOR_DEVICE_SYCL_H +template<size_t Align> struct CheckAlignStatically { + static const bool Val= (((Align&(Align-1))==0) && (Align >= sizeof(void *))); +}; +template <bool IsAligned, size_t Align> +struct Conditional_Allocate { + + EIGEN_ALWAYS_INLINE static void* conditional_allocate(std::size_t elements) { + return aligned_alloc(Align, elements); + } +}; +template <size_t Align> +struct Conditional_Allocate<false, Align> { + EIGEN_ALWAYS_INLINE static void* conditional_allocate(std::size_t elements){ + return malloc(elements); + } +}; template <typename Scalar, size_t Align = EIGEN_MAX_ALIGN_BYTES, class Allocator = std::allocator<Scalar>> struct SyclAllocator { typedef Scalar value_type; @@ -22,7 +38,9 @@ struct SyclAllocator { typedef typename std::allocator_traits<Allocator>::size_type size_type; SyclAllocator( ){}; - Scalar* allocate(std::size_t elements) { return static_cast<Scalar*>(aligned_alloc(Align, elements)); } + Scalar* allocate(std::size_t elements) { + return static_cast<Scalar*>(Conditional_Allocate<CheckAlignStatically<Align>::Val, Align>::conditional_allocate(elements)); + } void deallocate(Scalar * p, std::size_t size) { EIGEN_UNUSED_VARIABLE(size); free(p); } }; |