109 lines
4.7 KiB
C++
109 lines
4.7 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 21.10.17.
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//
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#include <system/pointercast.h>
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#include <graph/execution/LogicSwitch.h>
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#include <graph/GraphExecutioner.h>
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#include <graph/Status.h>
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namespace sd {
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namespace graph {
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Nd4jStatus LogicSwitch::processNode(Graph* graph, Node* node) {
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auto __variableSpace = graph->getVariableSpace();
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auto __flowPath = __variableSpace->flowPath();
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Context ctx(node->getContextPrototype(), __variableSpace);
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// this can be either our format, or compatible format.
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if (graph->hasScope(node->input()->at(0).first)) {
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nd4j_debug("Node_%i: Scoped mode.\n", node->id());
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// first input is Scope, so it's ours
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int scopeConditionIndex = node->input()->at(0).first;
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auto input = ctx.variable(1);
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auto scopeCondition = graph->scopeById(scopeConditionIndex);
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int lastNode = 0;
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for (auto v: *scopeCondition->nodes()) {
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GraphExecutioner::executeFlatNode(graph, v, __variableSpace);
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lastNode = v->id();
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}
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// now we should take result of the Scope run, and evaluate it
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auto result = __variableSpace->getVariable(lastNode)->getNDArray();
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//result->printBuffer("Result of the last node");
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std::pair<int, int> pair0(node->id(), 0);
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std::pair<int, int> pair1(node->id(), 1);
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if (!__variableSpace->hasVariable(pair0))
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__variableSpace->putVariable(pair0, new Variable(nullptr, nullptr, node->id(), 0));
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if (!__variableSpace->hasVariable(pair1))
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__variableSpace->putVariable(pair1, new Variable(nullptr, nullptr, node->id(), 1));
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if (!result->e<bool>(0)) {
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__flowPath->markBranch(node->id(), 0);
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__variableSpace->getVariable(pair0)->setNDArray(input->getNDArray());
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__variableSpace->getVariable(pair0)->markRemovable(false);
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} else {
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__flowPath->markBranch(node->id(), 1);
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__variableSpace->getVariable(pair1)->setNDArray(input->getNDArray());
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__variableSpace->getVariable(pair1)->markRemovable(false);
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}
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} else {
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// first input is NOT a Scope, so it's compatible format
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nd4j_debug("Node_%i: Compatible mode.\n", node->id());
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auto input = ctx.variable(0)->getNDArray();
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auto boolean = ctx.variable(1)->getNDArray();
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//input->printIndexedBuffer("0");
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//boolean->printIndexedBuffer("1");
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std::pair<int, int> pair0(node->id(), 0);
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std::pair<int, int> pair1(node->id(), 1);
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if (!__variableSpace->hasVariable(pair0))
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__variableSpace->putVariable(pair0, new Variable(nullptr, nullptr, node->id(), 0));
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if (!__variableSpace->hasVariable(pair1))
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__variableSpace->putVariable(pair1, new Variable(nullptr, nullptr, node->id(), 1));
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if (!boolean->e<bool>(0)) {
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// false
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nd4j_debug("Node_%i: FALSE branch active\n", node->id());
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__flowPath->markBranch(node->id(), 0);
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__variableSpace->getVariable(pair0)->setNDArray(input);
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__variableSpace->getVariable(pair0)->markRemovable(false);
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} else {
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//true
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nd4j_debug("Node_%i: TRUE branch active\n", node->id());
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__flowPath->markBranch(node->id(), 1);
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__variableSpace->getVariable(pair1)->setNDArray(input);
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__variableSpace->getVariable(pair1)->markRemovable(false);
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}
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}
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return sd::Status::OK();
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};
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}
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}
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