diff options
Diffstat (limited to 'src/gpu/cl/kernels/helpers/MatMulKernelHelpers.cpp')
-rw-r--r-- | src/gpu/cl/kernels/helpers/MatMulKernelHelpers.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/gpu/cl/kernels/helpers/MatMulKernelHelpers.cpp b/src/gpu/cl/kernels/helpers/MatMulKernelHelpers.cpp new file mode 100644 index 0000000000..689a743fdf --- /dev/null +++ b/src/gpu/cl/kernels/helpers/MatMulKernelHelpers.cpp @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2023 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#include "src/gpu/cl/kernels/helpers/MatMulKernelHelpers.h" + +#include "arm_compute/core/Coordinates.h" +#include "arm_compute/core/utils/helpers/AdjustVecSize.h" +#include "arm_compute/core/utils/math/Math.h" + +#include "src/core/helpers/WindowHelpers.h" + +namespace arm_compute +{ +namespace opencl +{ +namespace kernels +{ +Status validate_matmul_input_shapes(const TensorShape &lhs_shape, + const TensorShape &rhs_shape, + const MatMulKernelInfo &matmul_kernel_info) +{ + const size_t lhs_k = matmul_kernel_info.adj_lhs ? lhs_shape.y() : lhs_shape.x(); + const size_t rhs_k = matmul_kernel_info.adj_rhs ? rhs_shape.x() : rhs_shape.y(); + + ARM_COMPUTE_RETURN_ERROR_ON_MSG(lhs_k != rhs_k, "K dimension in Lhs and Rhs matrices must match."); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(lhs_shape.total_size() == 0, "Lhs tensor can't be empty"); + ARM_COMPUTE_RETURN_ERROR_ON_MSG(rhs_shape.total_size() == 0, "Rhs tensor can't be empty"); + + constexpr size_t batch_dim_start = 2; + for (size_t i = batch_dim_start; i < Coordinates::num_max_dimensions; ++i) + { + ARM_COMPUTE_RETURN_ERROR_ON_MSG(lhs_shape[i] != rhs_shape[i], "Batch dimension broadcasting is not supported"); + } + + return Status{}; +} + +std::pair<Status, Window> validate_and_configure_window_for_mmul_kernels(const ITensorInfo *lhs, + const ITensorInfo *rhs, + const ITensorInfo *dst, + const MatMulKernelInfo &matmul_kernel_info, + int mmul_m0, + int mmul_n0) +{ + ARM_COMPUTE_UNUSED(lhs, rhs); + + const Window win = calculate_max_window(*dst, Steps(1, 1)); + + // Collapse along the Z direction + // This collapse needs to be here in order to tune the Z dimension of LWS + Window collapsed = win.collapse(win, Window::DimZ); + + // Reconfigure window size, one arm_matrix_multiply call needs 16 threads to finish. + Window::Dimension x_dimension = collapsed.x(); + Window::Dimension y_dimension = collapsed.y(); + + const int m = dst->dimension(1); + const int n = dst->dimension(0); + + const int m0 = std::min(matmul_kernel_info.m0, m); + const int n0 = adjust_vec_size(matmul_kernel_info.n0, n); + + // Make M and N multiple of M0 and N0 respectively + const unsigned int ceil_to_multiple_n_n0 = ceil_to_multiple(n, n0); + const unsigned int ceil_to_multiple_m_m0 = ceil_to_multiple(m, m0); + + // Divide M and N by M0 and N0 respectively + const unsigned int n_div_n0 = ceil_to_multiple_n_n0 / n0; + const unsigned int m_div_m0 = ceil_to_multiple_m_m0 / m0; + + // Make n_div_n0 and m_div_m0 multiple of mmul_n0 and mmul_m0 respectively + const unsigned int ceil_to_multiple_n_div_n0_mmul_n0 = ceil_to_multiple(n_div_n0, mmul_n0); + const unsigned int ceil_to_multiple_m_div_m0_mmul_m0 = ceil_to_multiple(m_div_m0, mmul_m0); + + // Ensure x_dimension is multiple of MMUL block size (mmul_m0 * mmul_n0) + x_dimension.set_end(ceil_to_multiple_n_div_n0_mmul_n0 * mmul_m0); + y_dimension.set_end(ceil_to_multiple_m_div_m0_mmul_m0 / mmul_m0); + + collapsed.set(Window::DimX, x_dimension); + collapsed.set(Window::DimY, y_dimension); + + return std::make_pair(Status{}, collapsed); +} + +} // namespace kernels +} // namespace opencl +} // namespace arm_compute |