Home / Class/ CuBlasLtMatrixLayout Class — pytorch Architecture

CuBlasLtMatrixLayout Class — pytorch Architecture

Architecture documentation for the CuBlasLtMatrixLayout class in CUDABlas.cpp from the pytorch codebase.

Entity Profile

Source Code

aten/src/ATen/cuda/CUDABlas.cpp lines 330–349

class CuBlasLtMatrixLayout : public CuBlasLtDescriptor<
                                 cublasLtMatrixLayoutOpaque_t,
                                 &cublasLtMatrixLayoutDestroy> {
 public:
  CuBlasLtMatrixLayout(
      cudaDataType_t type,
      uint64_t rows,
      uint64_t cols,
      int64_t ld,
      bool t = false) {
    cublasLtMatrixLayout_t raw_descriptor = nullptr;
    TORCH_CUDABLAS_CHECK(
        cublasLtMatrixLayoutCreate(&raw_descriptor, type, t ? cols : rows, t ? rows : cols, ld));
    descriptor_.reset(raw_descriptor);
  }
  template <typename T>
  void setAttribute(cublasLtMatrixLayoutAttribute_t attr, const T value) {
    TORCH_CUDABLAS_CHECK(::cublasLtMatrixLayoutSetAttribute(descriptor(), attr, &value, sizeof(T)));
  }
};

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