406 lines
16 KiB
C++
406 lines
16 KiB
C++
// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "paddle/common/ddim.h"
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#include "paddle/phi/backends/dynload/rocsparse.h"
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#include "paddle/phi/backends/gpu/gpu_context.h"
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#include "paddle/phi/common/data_type.h"
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#include "paddle/phi/common/memory_utils.h"
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#include "paddle/phi/core/dense_tensor.h"
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#include "paddle/phi/core/enforce.h"
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#include "paddle/phi/core/sparse_coo_tensor.h"
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#include "paddle/phi/core/sparse_csr_tensor.h"
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#include "paddle/phi/core/visit_type.h"
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namespace phi {
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namespace funcs {
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namespace sparse {
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template <typename IntT>
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rocsparse_indextype GetGpuIndexType() {
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if (std::is_same<IntT, int32_t>::value) {
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return rocsparse_indextype_i32;
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} else if (std::is_same<IntT, int64_t>::value) {
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return rocsparse_indextype_i64;
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}
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}
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template <typename T>
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rocsparse_datatype GetGpuDataType() {
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if (std::is_same<T, float>::value) {
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return rocsparse_datatype_f32_r;
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} else if (std::is_same<T, double>::value) {
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return rocsparse_datatype_f64_r;
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}
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}
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inline rocsparse_operation GetTransposeOperation(const bool trans) {
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if (trans) {
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return rocsparse_operation_transpose;
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} else {
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return rocsparse_operation_none;
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}
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}
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template <typename TensorType>
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inline rocsparse_spmm_alg GetSpMMAlgorithm(const TensorType& x) {
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return rocsparse_spmm_alg_default;
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}
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/************* SPARSE MATRIX DESCRIPTOR (COO/CSR) ************/
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template <typename T, typename IntT>
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inline void CreateCsrDescriptor(const SparseCsrTensor& x,
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const GPUContext& dev_ctx,
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rocsparse_spmat_descr* descriptor) {
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std::vector<int64_t> xdim_vec = vectorize(x.dims());
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auto x_ndims = xdim_vec.size();
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PADDLE_ENFORCE_GE(
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x_ndims,
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2,
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common::errors::InvalidArgument("the dim size of SparseCsrTensor must be "
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"greater than or equal to 2."));
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int64_t M = xdim_vec[x_ndims - 2];
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int64_t N = xdim_vec[x_ndims - 1];
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int batch_size = 1;
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for (int i = 0; i < x_ndims - 2; i++) {
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batch_size *= xdim_vec[i];
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}
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PADDLE_ENFORCE_EQ(x.non_zero_crows().numel(),
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batch_size * (M + 1),
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common::errors::PreconditionNotMet(
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"the length of SparseCsrTensor crows is not right."));
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const IntT* crows_data = x.non_zero_crows().data<IntT>();
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const IntT* cols_data = x.non_zero_cols().data<IntT>();
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const T* values_data = x.non_zero_elements().data<T>();
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int64_t batch_nnz = x.nnz() / batch_size;
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rocsparse_indextype itype = GetGpuIndexType<int64_t>();
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rocsparse_indextype jtype = GetGpuIndexType<int64_t>();
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rocsparse_datatype ttype = GetGpuDataType<T>();
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dev_ctx.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_create_csr_descr(descriptor,
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M,
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N,
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batch_nnz,
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const_cast<IntT*>(crows_data),
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const_cast<IntT*>(cols_data),
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const_cast<T*>(values_data),
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itype,
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jtype,
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rocsparse_index_base_zero,
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ttype);
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});
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if (batch_size > 1) {
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// TODO(umiswing): Add batch sparse matmul support for ROCM after 5.2.0
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PADDLE_THROW(common::errors::Unimplemented(
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"Batch Sparse matmul use 'rocsparse_coo_set_strided_batch', which is "
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"supported from ROCM 5.2.0"));
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}
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}
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template <typename T, typename IntT>
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inline void CreateCooDescriptor(const SparseCooTensor& x,
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const GPUContext& dev_ctx,
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rocsparse_spmat_descr* descriptor) {
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std::vector<int64_t> xdim_vec = vectorize(x.dims());
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auto x_ndims = xdim_vec.size();
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PADDLE_ENFORCE_GE(
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x_ndims,
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2,
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common::errors::InvalidArgument("the dim size of SparseCooTensor must be "
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"greater than or equal to 2."));
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int64_t M = xdim_vec[x_ndims - 2];
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int64_t N = xdim_vec[x_ndims - 1];
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int batch_size = 1;
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for (int i = 0; i < x_ndims - 2; i++) {
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batch_size *= xdim_vec[i];
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}
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int64_t nnz = x.nnz();
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const IntT* indices_data = x.non_zero_indices().data<IntT>();
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const T* values_data = x.non_zero_elements().data<T>();
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auto rows_data = indices_data + (x_ndims - 2) * nnz;
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auto cols_data = indices_data + (x_ndims - 1) * nnz;
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int64_t batch_nnz = nnz / batch_size;
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rocsparse_indextype itype = GetGpuIndexType<int64_t>();
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rocsparse_datatype ttype = GetGpuDataType<T>();
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dev_ctx.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_create_coo_descr(descriptor,
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M,
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N,
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batch_nnz,
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const_cast<IntT*>(rows_data),
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const_cast<IntT*>(cols_data),
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const_cast<T*>(values_data),
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itype,
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rocsparse_index_base_zero,
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ttype);
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});
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if (batch_size > 1) {
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// TODO(umiswing): Add batch sparse matmul support for ROCM after 5.2.0
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PADDLE_THROW(common::errors::Unimplemented(
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"Batch Sparse matmul use 'rocsparse_coo_set_strided_batch', which is "
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"supported from ROCM 5.2.0"));
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}
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}
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template <typename T>
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class RocSparseSpMatDescriptor {
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public:
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explicit RocSparseSpMatDescriptor(const SparseCsrTensor& x,
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const GPUContext& dev_ctx)
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: dev_ctx_(dev_ctx) {
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PD_VISIT_BASE_INTEGRAL_TYPES(
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x.non_zero_crows().dtype(), "Csr RocSparseSpMatDescriptor", ([&] {
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CreateCsrDescriptor<T, data_t>(x, dev_ctx_, &descriptor_);
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}));
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VLOG(6) << "Create csr rocsparse_spmat_descr " << &descriptor_;
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}
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explicit RocSparseSpMatDescriptor(const SparseCooTensor& x,
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const GPUContext& dev_ctx)
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: dev_ctx_(dev_ctx) {
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PD_VISIT_BASE_INTEGRAL_TYPES(
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x.non_zero_indices().dtype(), "Coo RocSparseSpMatDescriptor", ([&] {
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CreateCooDescriptor<T, data_t>(x, dev_ctx_, &descriptor_);
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}));
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VLOG(6) << "Create coo rocsparse_spmat_descr " << &descriptor_;
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}
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~RocSparseSpMatDescriptor() {
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_destroy_spmat_descr(descriptor_);
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});
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VLOG(6) << "Destroy roscparse_spmat_descr " << &descriptor_;
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}
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const rocsparse_spmat_descr& descriptor() const { return descriptor_; }
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private:
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const GPUContext& dev_ctx_;
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rocsparse_spmat_descr descriptor_;
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};
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/************* DENSE MATRIX DESCRIPTOR ************/
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template <typename T>
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class RocSparseDnMatDescriptor {
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public:
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explicit RocSparseDnMatDescriptor(const DenseTensor& x,
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const GPUContext& dev_ctx)
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: dev_ctx_(dev_ctx) {
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std::vector<int64_t> xdim_vec = vectorize(x.dims());
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auto x_ndims = xdim_vec.size();
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PADDLE_ENFORCE_GE(
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x_ndims,
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2,
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common::errors::InvalidArgument("the dim size of DenseTensor must be "
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"greater than or equal to 2."));
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int64_t M = xdim_vec[x_ndims - 2];
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int64_t N = xdim_vec[x_ndims - 1];
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int batch_size = 1;
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for (int i = 0; i < x_ndims - 2; i++) {
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batch_size *= xdim_vec[i];
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}
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const T* x_data = x.data<T>();
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rocsparse_datatype ttype = GetGpuDataType<T>();
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dev_ctx.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_create_dnmat_descr(&descriptor_,
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M,
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N,
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N,
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const_cast<T*>(x_data),
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ttype,
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rocsparse_order_row);
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});
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PADDLE_ENFORCE_EQ(
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x.numel(),
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batch_size * M * N,
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common::errors::InvalidArgument("The number of elements in DenseTensor "
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"must equals to batch_size * M * N."));
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if (batch_size > 1) {
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// TODO(umiswing): Add batch sparse matmul support for ROCM after 5.2.0
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PADDLE_THROW(common::errors::Unimplemented(
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"Batch Sparse matmul use 'rocsparse_dnmat_set_strided_batch', which "
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"is supported from ROCM 5.2.0"));
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}
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VLOG(6) << "Create cusparseDnMatDescr_t " << &descriptor_;
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}
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~RocSparseDnMatDescriptor() {
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_destroy_dnmat_descr(descriptor_);
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});
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VLOG(6) << "Destroy rocsparse_dnmat_descr " << &descriptor_;
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}
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const rocsparse_dnmat_descr& descriptor() const { return descriptor_; }
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private:
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const GPUContext& dev_ctx_;
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rocsparse_dnmat_descr descriptor_;
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};
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/************* SPARSE*DENSE->DENSE MATMUL ************/
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template <>
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template <typename T, typename TensorType>
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void SparseBlas<GPUContext>::SPMM(bool transa,
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bool transb,
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T alpha,
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const TensorType& mat_a,
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const DenseTensor& mat_b,
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T beta,
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DenseTensor* mat_out) const {
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auto a_descriptor = RocSparseSpMatDescriptor<T>(mat_a, dev_ctx_);
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auto b_descriptor = RocSparseDnMatDescriptor<T>(mat_b, dev_ctx_);
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auto out_descriptor = RocSparseDnMatDescriptor<T>(*mat_out, dev_ctx_);
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rocsparse_datatype ttype = GetGpuDataType<T>();
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size_t buffer_size = 0;
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// Query SpMM buffer
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_spmm(handle,
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GetTransposeOperation(transa),
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GetTransposeOperation(transb),
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&alpha,
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a_descriptor.descriptor(),
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b_descriptor.descriptor(),
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&beta,
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out_descriptor.descriptor(),
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ttype,
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GetSpMMAlgorithm(mat_a),
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rocsparse_spmm_stage_buffer_size,
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&buffer_size,
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nullptr);
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});
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// Allocate buffer
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phi::Allocator::AllocationPtr tmp_buffer = phi::memory_utils::Alloc(
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dev_ctx_.GetPlace(),
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buffer_size,
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phi::Stream(reinterpret_cast<phi::StreamId>(dev_ctx_.stream())));
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void* tmp_buffer_ptr = tmp_buffer->ptr();
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// Preprocess data
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_spmm(handle,
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GetTransposeOperation(transa),
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GetTransposeOperation(transb),
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&alpha,
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a_descriptor.descriptor(),
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b_descriptor.descriptor(),
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&beta,
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out_descriptor.descriptor(),
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ttype,
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GetSpMMAlgorithm(mat_a),
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rocsparse_spmm_stage_preprocess,
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&buffer_size,
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tmp_buffer_ptr);
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});
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// Performs the actual SpMM computation
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_spmm(handle,
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GetTransposeOperation(transa),
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GetTransposeOperation(transb),
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&alpha,
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a_descriptor.descriptor(),
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b_descriptor.descriptor(),
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&beta,
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out_descriptor.descriptor(),
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ttype,
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GetSpMMAlgorithm(mat_a),
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rocsparse_spmm_stage_compute,
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&buffer_size,
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tmp_buffer_ptr);
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});
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}
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/************* DENSE*DENSE->SPARSE MATMUL ************/
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#if HIP_VERSION >= 403
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template <>
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template <typename T, typename TensorType>
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void SparseBlas<GPUContext>::SDDMM(bool transa,
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bool transb,
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T alpha,
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const DenseTensor& mat_a,
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const DenseTensor& mat_b,
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T beta,
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TensorType* mat_out) const {
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auto a_descriptor = RocSparseDnMatDescriptor<T>(mat_a, dev_ctx_);
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auto b_descriptor = RocSparseDnMatDescriptor<T>(mat_b, dev_ctx_);
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auto out_descriptor = RocSparseSpMatDescriptor<T>(*mat_out, dev_ctx_);
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rocsparse_datatype gpu_type = GetGpuDataType<T>();
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size_t buffer_size = 0;
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_sddmm_buffer_size(handle,
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GetTransposeOperation(transa),
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GetTransposeOperation(transb),
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&alpha,
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a_descriptor.descriptor(),
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b_descriptor.descriptor(),
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&beta,
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out_descriptor.descriptor(),
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gpu_type,
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rocsparse_sddmm_alg_default,
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&buffer_size);
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});
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phi::Allocator::AllocationPtr tmp_buffer = phi::memory_utils::Alloc(
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dev_ctx_.GetPlace(),
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buffer_size,
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phi::Stream(reinterpret_cast<phi::StreamId>(dev_ctx_.stream())));
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void* tmp_buffer_ptr = tmp_buffer->ptr();
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_sddmm_preprocess(handle,
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GetTransposeOperation(transa),
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GetTransposeOperation(transb),
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&alpha,
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a_descriptor.descriptor(),
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b_descriptor.descriptor(),
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&beta,
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out_descriptor.descriptor(),
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gpu_type,
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rocsparse_sddmm_alg_default,
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tmp_buffer_ptr);
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});
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dev_ctx_.CusparseCall([&](rocsparse_handle handle) {
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phi::dynload::rocsparse_sddmm(handle,
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GetTransposeOperation(transa),
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GetTransposeOperation(transb),
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&alpha,
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a_descriptor.descriptor(),
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b_descriptor.descriptor(),
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&beta,
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out_descriptor.descriptor(),
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gpu_type,
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rocsparse_sddmm_alg_default,
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tmp_buffer_ptr);
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});
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}
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#endif
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} // namespace sparse
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} // namespace funcs
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} // namespace phi
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