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| Original file line number | Diff line number | Diff line change |
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| /*******************************<GINKGO LICENSE>****************************** | ||
| Copyright (c) 2017-2023, the Ginkgo authors | ||
| All rights reserved. | ||
| Redistribution and use in source and binary forms, with or without | ||
| modification, are permitted provided that the following conditions | ||
| are met: | ||
| 1. Redistributions of source code must retain the above copyright | ||
| notice, this list of conditions and the following disclaimer. | ||
| 2. Redistributions in binary form must reproduce the above copyright | ||
| notice, this list of conditions and the following disclaimer in the | ||
| documentation and/or other materials provided with the distribution. | ||
| 3. Neither the name of the copyright holder nor the 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 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | ||
| TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
| PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| ******************************<GINKGO LICENSE>*******************************/ | ||
|
|
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| #include "core/matrix/dense_kernels.hpp" | ||
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| #include <ginkgo/core/base/math.hpp> | ||
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| #include "common/unified/base/kernel_launch_reduction.hpp" | ||
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| namespace gko { | ||
| namespace kernels { | ||
| namespace GKO_DEVICE_NAMESPACE { | ||
| /** | ||
| * @brief The Dense matrix format namespace. | ||
| * | ||
| * @ingroup dense | ||
| */ | ||
| namespace dense { | ||
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| template <typename ValueType, typename IndexType> | ||
| void count_nonzeros_per_row(std::shared_ptr<const DefaultExecutor> exec, | ||
| const matrix::Dense<ValueType>* mtx, | ||
| IndexType* result) | ||
| { | ||
| run_kernel_row_reduction( | ||
| exec, | ||
| [] GKO_KERNEL(auto i, auto j, auto mtx) { | ||
| return is_nonzero(mtx(i, j)) ? 1 : 0; | ||
| }, | ||
| GKO_KERNEL_REDUCE_SUM(IndexType), result, 1, mtx->get_size(), mtx); | ||
| } | ||
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| GKO_INSTANTIATE_FOR_EACH_VALUE_AND_INDEX_TYPE( | ||
| GKO_DECLARE_DENSE_COUNT_NONZEROS_PER_ROW_KERNEL); | ||
| GKO_INSTANTIATE_FOR_EACH_VALUE_TYPE( | ||
| GKO_DECLARE_DENSE_COUNT_NONZEROS_PER_ROW_KERNEL_SIZE_T); | ||
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| } // namespace dense | ||
| } // namespace GKO_DEVICE_NAMESPACE | ||
| } // namespace kernels | ||
| } // namespace gko |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| /*******************************<GINKGO LICENSE>****************************** | ||
| Copyright (c) 2017-2023, the Ginkgo authors | ||
| All rights reserved. | ||
| Redistribution and use in source and binary forms, with or without | ||
| modification, are permitted provided that the following conditions | ||
| are met: | ||
| 1. Redistributions of source code must retain the above copyright | ||
| notice, this list of conditions and the following disclaimer. | ||
| 2. Redistributions in binary form must reproduce the above copyright | ||
| notice, this list of conditions and the following disclaimer in the | ||
| documentation and/or other materials provided with the distribution. | ||
| 3. Neither the name of the copyright holder nor the 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 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | ||
| TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | ||
| PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| ******************************<GINKGO LICENSE>*******************************/ | ||
|
|
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| #include "core/matrix/dense_kernels.hpp" | ||
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| #include <ginkgo/core/base/math.hpp> | ||
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| #include "common/unified/base/kernel_launch_reduction.hpp" | ||
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| namespace gko { | ||
| namespace kernels { | ||
| namespace GKO_DEVICE_NAMESPACE { | ||
| /** | ||
| * @brief The Dense matrix format namespace. | ||
| * | ||
| * @ingroup dense | ||
| */ | ||
| namespace dense { | ||
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| template <typename ValueType> | ||
| void compute_max_nnz_per_row(std::shared_ptr<const DefaultExecutor> exec, | ||
| const matrix::Dense<ValueType>* source, | ||
| size_type& result) | ||
| { | ||
| array<size_type> partial{exec, source->get_size()[0] + 1}; | ||
| count_nonzeros_per_row(exec, source, partial.get_data()); | ||
| run_kernel_reduction( | ||
| exec, [] GKO_KERNEL(auto i, auto partial) { return partial[i]; }, | ||
| GKO_KERNEL_REDUCE_MAX(size_type), | ||
| partial.get_data() + source->get_size()[0], source->get_size()[0], | ||
| partial); | ||
| result = exec->copy_val_to_host(partial.get_const_data() + | ||
| source->get_size()[0]); | ||
| } | ||
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| GKO_INSTANTIATE_FOR_EACH_VALUE_TYPE( | ||
| GKO_DECLARE_DENSE_COMPUTE_MAX_NNZ_PER_ROW_KERNEL); | ||
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| } // namespace dense | ||
| } // namespace GKO_DEVICE_NAMESPACE | ||
| } // namespace kernels | ||
| } // namespace gko |
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