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This PR adds support for a (row-wise) distributed (multi-)vector. It supports most operation of the dense class. These vector operations are supported on all devices that support the corresponding dense operation. Only the initialization through `read_distributed` is only supported on reference and openmp. Related PR: #961 Related PR: #1030
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| /*******************************<GINKGO LICENSE>****************************** | ||
| Copyright (c) 2017-2022, 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 <ginkgo/core/base/dense_cache.hpp> | ||
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| #include <ginkgo/core/matrix/dense.hpp> | ||
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| namespace gko { | ||
| namespace detail { | ||
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| template <typename ValueType> | ||
| void DenseCache<ValueType>::init(std::shared_ptr<const Executor> exec, | ||
| dim<2> size) const | ||
| { | ||
| if (!vec || vec->get_size() != size || vec->get_executor() != exec) { | ||
| vec = matrix::Dense<ValueType>::create(exec, size); | ||
| } | ||
| } | ||
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| template <typename ValueType> | ||
| void DenseCache<ValueType>::init_from( | ||
| const matrix::Dense<ValueType>* template_vec) const | ||
| { | ||
| if (!vec || vec->get_size() != template_vec->get_size() || | ||
| vec->get_executor() != template_vec->get_executor()) { | ||
| vec = matrix::Dense<ValueType>::create_with_config_of(template_vec); | ||
| } | ||
| } | ||
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| #define GKO_DECLARE_DENSE_CACHE(_type) class DenseCache<_type> | ||
| GKO_INSTANTIATE_FOR_EACH_VALUE_TYPE(GKO_DECLARE_DENSE_CACHE); | ||
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| } // namespace detail | ||
| } // namespace gko |
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