589401477d
* - profiling bias_add op - add some docementation Signed-off-by: Yurii <yurii@skymind.io> * - minor change Signed-off-by: Yurii <yurii@skymind.io> * - provide addBias cuda kernel Signed-off-by: Yurii <yurii@skymind.io> * - improve shape::getIndexOfffset and change its signature Signed-off-by: Yurii <yurii@skymind.io> * - same as previous Signed-off-by: Yurii <yurii@skymind.io> * - improve and change signature in some shape:: stuff which has to do with calculation of offsets for array elements Signed-off-by: Yurii <yurii@skymind.io> * - minor changes in flatten Signed-off-by: Yurii <shyrma@skymind.io> * - add function shape::getIndexOffsetOrdered Signed-off-by: Yurii <shyrma@skymind.io> * - correct shape::getIndexOffsetOrdered() Signed-off-by: Yurii <shyrma@skymind.io> * - move getIndexOffsetOrdered to flatten.h header in order to isolate this function Signed-off-by: Yurii <shyrma@skymind.io>
69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/*******************************************************************************
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* Copyright (c) 2015-2018 Skymind, Inc.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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//
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// @author raver119@gmail.com
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//
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#ifndef DEV_TESTS_FLATTEN_H
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#define DEV_TESTS_FLATTEN_H
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#include <vector>
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#include <NDArray.h>
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namespace nd4j {
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namespace ops {
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namespace helpers {
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//////////////////////////////////////////////////////////////////////
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void flatten(nd4j::LaunchContext *context, std::vector<NDArray*> &inputs, NDArray *output, char order);
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//////////////////////////////////////////////////////////////////////
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INLINEDEF _CUDA_HD Nd4jLong getIndexOffsetOrdered(Nd4jLong index, const Nd4jLong *shapeInfo, const char order) {
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Nd4jLong offset = 0;
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if (order == 'c') {
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for(uint i = shapeInfo[0]; i > 1; --i) {
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offset += (index % shapeInfo[i]) * shapeInfo[i + shapeInfo[0]];
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index /= shapeInfo[i];
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}
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offset += index * shapeInfo[1 + shapeInfo[0]]; // last iteration
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}
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else {
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for(uint i = 1; i < shapeInfo[0]; ++i) {
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offset += (index % shapeInfo[i]) * shapeInfo[i + shapeInfo[0]];
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index /= shapeInfo[i];
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}
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offset += index * shapeInfo[2 * shapeInfo[0]]; // last iteration
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}
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return offset;
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}
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}
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}
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}
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#endif //DEV_TESTS_FLATTEN_H
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