98 lines
4.8 KiB
C++
98 lines
4.8 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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// Created by raver119 on 17.10.2017.
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//
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#include <ops/declarable/LegacyBroadcastBoolOp.h>
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#include <helpers/PointersManager.h>
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#include <helpers/TAD.h>
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#include <helpers/ConstantTadHelper.h>
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#include <graph/Status.h>
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namespace sd {
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namespace ops {
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Nd4jStatus LegacyBroadcastBoolOp::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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std::vector<int> dims(*block.getIArguments());
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if (dims.size() > 0)
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std::sort(dims.begin(), dims.end());
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NDArray::prepareSpecialUse({z}, {x, y});
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int opNum = block.opNum() < 0 ? this->_opNum : block.opNum();
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auto packX = sd::ConstantTadHelper::getInstance()->tadForDimensions(x->getShapeInfo(), dims);
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PointersManager manager(block.launchContext(), "LegacyBroadcastBoolOp");
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auto pTadShape = Environment::getInstance()->isCPU() ? packX.primaryShapeInfo() : packX.specialShapeInfo(); //(Nd4jLong *) manager.replicatePointer(tad.tadOnlyShapeInfo, shape::shapeInfoByteLength(tad.tadOnlyShapeInfo));
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auto pTadOffsets = Environment::getInstance()->isCPU() ? packX.primaryOffsets() : packX.specialOffsets(); //(Nd4jLong *) manager.replicatePointer(tad.tadOffsets, tad.numTads * sizeof(Nd4jLong));
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REQUIRE_TRUE(shape::length(packX.primaryShapeInfo()) == y->lengthOf(), 0, "Length of broadcast TAD should be equal to length of Y operand, but got [%i] vs [%i]", (int) shape::length(packX.primaryShapeInfo()), (int) y->lengthOf());
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if (x == z)
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NativeOpExecutioner::execBroadcast(block.launchContext(), opNum, x->buffer(), x->shapeInfo(), x->specialBuffer(), x->specialShapeInfo(),
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y->buffer(), y->shapeInfo(), y->specialBuffer(), y->specialShapeInfo(),
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z->buffer(), z->shapeInfo(), z->specialBuffer(), z->specialShapeInfo(),
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dims.data(), dims.size(), pTadShape, pTadOffsets, 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 and pass separate TAD info
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auto packZ = sd::ConstantTadHelper::getInstance()->tadForDimensions(z->getShapeInfo(), dims);
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auto zTadShape = Environment::getInstance()->isCPU() ? packZ.primaryShapeInfo() : packZ.specialShapeInfo(); //(Nd4jLong *) manager.replicatePointer(tadZ.tadOnlyShapeInfo, shape::shapeInfoByteLength(tadZ.tadOnlyShapeInfo));
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auto zTadOffsets = Environment::getInstance()->isCPU() ? packZ.primaryOffsets() : packZ.specialOffsets(); //(Nd4jLong *) manager.replicatePointer(tadZ.tadOffsets, tadZ.numTads * sizeof(Nd4jLong));
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NativeOpExecutioner::execBroadcast(block.launchContext(), opNum, x->buffer(), x->shapeInfo(), x->specialBuffer(), x->specialShapeInfo(),
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y->buffer(), y->shapeInfo(), y->specialBuffer(), y->specialShapeInfo(),
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z->buffer(), z->shapeInfo(), z->specialBuffer(), z->specialShapeInfo(),
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dims.data(), dims.size(), pTadShape, pTadOffsets, zTadShape, zTadOffsets);
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}
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manager.synchronize();
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STORE_RESULT(*z);
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return Status::OK();
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}
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LegacyBroadcastBoolOp::LegacyBroadcastBoolOp() : LegacyOp::LegacyOp(2) {
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//
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}
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LegacyBroadcastBoolOp::LegacyBroadcastBoolOp(int opNum) : LegacyOp::LegacyOp(2, opNum) {
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//
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}
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LegacyOp* LegacyBroadcastBoolOp::clone() {
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return new LegacyBroadcastBoolOp(this->_opNum);
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}
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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* LegacyBroadcastBoolOp::calculateOutputShape(ShapeList *inputShape, sd::graph::Context &block) {
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auto inShape = inputShape->at(0);
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return SHAPELIST(ConstantShapeHelper::getInstance()->createShapeInfo(ShapeDescriptor(inShape, DataType::BOOL)));
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}
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}
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}
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