wehub-resource-sync
126 lines
4.7 KiB
C++
126 lines
4.7 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 <array/DataTypeUtils.h>
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#include <helpers/ConstantTadHelper.h>
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#include <helpers/ShapeUtils.h>
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#include <ops/declarable/LegacyStatsOp.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 LegacyStatsOp::validateAndExecute(Context &block) {
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auto x = INPUT_VARIABLE(0);
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auto z = OUTPUT_VARIABLE(0);
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NDArray::prepareSpecialUse({z}, {x});
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// we assume that opNuk is either stored in block, or was provided via op constructor
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int opNum = block.opNum() < 0 ? this->_opNum : block.opNum();
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// bias goes as first argument, unlike all other reductions
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bool biasCorrected = false;
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if (block.getIArguments()->size() > 0) biasCorrected = INT_ARG(0) > 0;
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ExtraArguments extras(*block.getTArguments());
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PointersManager manager(block.launchContext(), "LegacyStatsOp");
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if (block.getIArguments()->size() == 1 ||
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(block.getIArguments()->size() == 2 && INT_ARG(1) == DataTypeUtils::max<int>())) {
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// scalar
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NativeOpExecutioner::execSummaryStatsScalar(block.launchContext(), opNum, x->buffer(), x->shapeInfo(),
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x->specialBuffer(), x->specialShapeInfo(),
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extras.argumentsAsT(z->dataType()), z->buffer(), z->shapeInfo(),
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z->specialBuffer(), z->specialShapeInfo(), biasCorrected);
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} else {
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// dimensions for TAD
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// we should skip first argument here, because it's addressing bias correction
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std::vector<LongType> dims(*block.getIArguments());
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for (size_t e = 0; e < dims.size(); e++)
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if (dims[e] < 0) dims[e] += x->rankOf();
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REQUIRE_TRUE(dims.size() > 0, 0, "Some dimensions requuired for reduction!");
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auto packX = ConstantTadHelper::getInstance().tadForDimensions(x->shapeInfo(), &dims);
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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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NativeOpExecutioner::execSummaryStats(block.launchContext(), opNum, x->buffer(), x->shapeInfo(), x->specialBuffer(),
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x->specialShapeInfo(), extras.argumentsAsT(z->dataType()), z->buffer(),
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z->shapeInfo(), z->specialBuffer(), z->specialShapeInfo(), dims.data(),
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(int)dims.size(), pTadShape, pTadOffsets, biasCorrected);
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}
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manager.synchronize();
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STORE_RESULT(*z);
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traceExecIfNeeded(block);
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return Status::OK;
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}
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LegacyStatsOp::LegacyStatsOp() : LegacyOp(1) {
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//
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}
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LegacyStatsOp::LegacyStatsOp(int opNum) : LegacyOp(1, opNum) {
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//
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}
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LegacyOp *LegacyStatsOp::clone() { return new LegacyStatsOp(this->_opNum); }
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/**
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* For all reductions rules are simple: either you return scalar, or you return reduced NDArray.
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* It solely depends on input shape, and requested dimensions
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*/
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ShapeList *LegacyStatsOp::calculateOutputShape(ShapeList *inputShape, Context &block) {
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auto inShape = inputShape->at(0);
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LongType *newShape;
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if (block.getIArguments()->size() == 0 ||
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(block.getIArguments()->size() == 1 && INT_ARG(0) == DataTypeUtils::max<int>())) {
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// in this case we just return scalar
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ALLOCATE(newShape, block.getWorkspace(), shape::shapeInfoLength(2), sd::LongType);
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newShape[0] = 2;
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newShape[1] = 1;
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newShape[2] = 1;
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newShape[3] = 1;
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newShape[4] = 1;
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newShape[5] = 0;
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newShape[6] = 1;
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newShape[7] = 99;
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} else {
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sd::LongType *xShape2 = ShapeUtils::evalReduceShapeInfo('c', block.getIArguments(), inShape, false, true);
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return SHAPELIST(xShape2);
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}
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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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