wehub-resource-sync
123 lines
4.8 KiB
C++
123 lines
4.8 KiB
C++
/* ******************************************************************************
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*
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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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* See the NOTICE file distributed with this work for additional
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* information regarding copyright ownership.
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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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// Created by raver119 on 17.10.2017.
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//
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#include <helpers/ConstantTadHelper.h>
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#include <helpers/ShapeUtils.h>
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#include <ops/declarable/LegacyBroadcastOp.h>
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#include <ops/declarable/helpers/axis.h>
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#include <ops/declarable/OpRegistrator.h>
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#include <legacy/NativeOpExecutioner.h>
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namespace sd {
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namespace ops {
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Status LegacyBroadcastOp::validateAndExecute(Context &block) {
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auto x = INPUT_VARIABLE(0);
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auto y = INPUT_VARIABLE(1);
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auto z = OUTPUT_VARIABLE(0);
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NDArray::prepareSpecialUse({z}, {x, y});
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std::vector<LongType> dims(*block.getAxis());
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if (dims.size() == 0 && block.width() > 2) {
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auto axis = INPUT_VARIABLE(2);
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helpers::adjustAxis(x->rankOf(), axis, dims);
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}
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if (dims.size() > 0) std::sort(dims.begin(), dims.end());
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int opNum = block.opNum() < 0 ? this->_opNum : block.opNum();
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auto packX = ConstantTadHelper::getInstance().tadForDimensions(x->shapeInfo(), &dims);
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auto tadLen = shape::length(packX->primaryShapeInfo());
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REQUIRE_TRUE(tadLen == y->lengthOf(), 0,
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"Length of broadcast TAD should be equal to length of Y operand, but got [%i] vs [%i]", tadLen,
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(int)y->lengthOf());
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PointersManager manager(block.launchContext(), "LegacyBroadcastOp");
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auto pTadShape = Environment::getInstance().isCPU()
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? packX->primaryShapeInfo()
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: packX->specialShapeInfo();
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auto pTadOffsets = Environment::getInstance().isCPU()
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? packX->primaryOffsets()
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: packX->specialOffsets();
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if (x == z)
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NativeOpExecutioner::execBroadcast(block.launchContext(), opNum, x->buffer(), x->shapeInfo(), x->specialBuffer(),
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x->specialShapeInfo(), y->buffer(), y->shapeInfo(), y->specialBuffer(),
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y->specialShapeInfo(), z->buffer(), z->shapeInfo(), z->specialBuffer(),
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z->specialShapeInfo(), dims.data(), dims.size(), pTadShape, pTadOffsets,
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pTadShape, pTadOffsets);
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else {
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// this is rare, but possible use case - X and Z might have different shapes/strides/orders. In this case we prepare
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// and pass separate TAD info
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auto packZ = ConstantTadHelper::getInstance().tadForDimensions(z->shapeInfo(), &dims);
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auto zTadShape = Environment::getInstance().isCPU()
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? packZ->primaryShapeInfo()
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: packZ->specialShapeInfo();
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auto zTadOffsets = Environment::getInstance().isCPU()
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? packZ->primaryOffsets()
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: packZ->specialOffsets();
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NativeOpExecutioner::execBroadcast(block.launchContext(), opNum, x->buffer(), x->shapeInfo(), x->specialBuffer(),
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x->specialShapeInfo(), y->buffer(), y->shapeInfo(), y->specialBuffer(),
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y->specialShapeInfo(), z->buffer(), z->shapeInfo(), z->specialBuffer(),
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z->specialShapeInfo(), dims.data(), dims.size(), pTadShape, pTadOffsets,
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zTadShape, zTadOffsets);
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}
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manager.synchronize();
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traceExecIfNeeded(block);
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STORE_RESULT(*z);
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return Status::OK;
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}
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LegacyBroadcastOp::LegacyBroadcastOp() : LegacyOp(2) {
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//
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}
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LegacyBroadcastOp::LegacyBroadcastOp(int opNum) : LegacyOp(2, opNum) {
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//
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}
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LegacyOp *LegacyBroadcastOp::clone() { return new LegacyBroadcastOp(this->_opNum); }
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/**
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* If external NDArray wasn't specified - the same shape is returned by all broadcast ops.
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*/
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ShapeList *LegacyBroadcastOp::calculateOutputShape(ShapeList *inputShape, Context &block) {
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auto inShape = inputShape->at(0);
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// FIXME: remove memcpy
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LongType *newShape;
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ALLOCATE(newShape, block.getWorkspace(), shape::shapeInfoLength(inShape), sd::LongType);
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memcpy(newShape, inShape, shape::shapeInfoByteLength(inShape));
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return SHAPELIST(CONSTANT(newShape));
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}
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} // namespace ops
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} // namespace sd
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