cub/device/device_spmv.cuh
File members: cub/device/device_spmv.cuh
/******************************************************************************
* Copyright (c) 2011, Duane Merrill. All rights reserved.
* Copyright (c) 2011-2022, NVIDIA CORPORATION. All rights reserved.
*
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* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
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* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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#pragma once
#include <cub/config.cuh>
#if defined(_CCCL_IMPLICIT_SYSTEM_HEADER_GCC)
# pragma GCC system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_CLANG)
# pragma clang system_header
#elif defined(_CCCL_IMPLICIT_SYSTEM_HEADER_MSVC)
# pragma system_header
#endif // no system header
#include <cub/config.cuh>
#include <cub/detail/nvtx.cuh>
#include <cub/device/dispatch/dispatch_spmv_orig.cuh>
#include <cub/util_deprecated.cuh>
#include <iterator>
#include <limits>
#include <stdio.h>
CUB_NAMESPACE_BEGIN
struct DeviceSpmv
{
template <typename ValueT>
CUB_RUNTIME_FUNCTION static cudaError_t CsrMV(
void* d_temp_storage,
size_t& temp_storage_bytes,
const ValueT* d_values,
const int* d_row_offsets,
const int* d_column_indices,
const ValueT* d_vector_x,
ValueT* d_vector_y,
int num_rows,
int num_cols,
int num_nonzeros,
cudaStream_t stream = 0)
{
CUB_DETAIL_NVTX_RANGE_SCOPE_IF(d_temp_storage, "cub::DeviceSpmv::CsrMV");
SpmvParams<ValueT, int> spmv_params;
spmv_params.d_values = d_values;
spmv_params.d_row_end_offsets = d_row_offsets + 1;
spmv_params.d_column_indices = d_column_indices;
spmv_params.d_vector_x = d_vector_x;
spmv_params.d_vector_y = d_vector_y;
spmv_params.num_rows = num_rows;
spmv_params.num_cols = num_cols;
spmv_params.num_nonzeros = num_nonzeros;
spmv_params.alpha = ValueT{1};
spmv_params.beta = ValueT{0};
return DispatchSpmv<ValueT, int>::Dispatch(d_temp_storage, temp_storage_bytes, spmv_params, stream);
}
#ifndef DOXYGEN_SHOULD_SKIP_THIS // Do not document
template <typename ValueT>
CUB_DETAIL_RUNTIME_DEBUG_SYNC_IS_NOT_SUPPORTED CUB_RUNTIME_FUNCTION static cudaError_t CsrMV(
void* d_temp_storage,
size_t& temp_storage_bytes,
const ValueT* d_values,
const int* d_row_offsets,
const int* d_column_indices,
const ValueT* d_vector_x,
ValueT* d_vector_y,
int num_rows,
int num_cols,
int num_nonzeros,
cudaStream_t stream,
bool debug_synchronous)
{
CUB_DETAIL_RUNTIME_DEBUG_SYNC_USAGE_LOG
return CsrMV<ValueT>(
d_temp_storage,
temp_storage_bytes,
d_values,
d_row_offsets,
d_column_indices,
d_vector_x,
d_vector_y,
num_rows,
num_cols,
num_nonzeros,
stream);
}
#endif // DOXYGEN_SHOULD_SKIP_THIS
};
CUB_NAMESPACE_END