133 lines
3.8 KiB
C++
133 lines
3.8 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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// @author raver119@gmail.com
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//
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#include <graph/GraphHolder.h>
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#include <GraphExecutioner.h>
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#include <exceptions/graph_exists_exception.h>
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#include <exceptions/graph_execution_exception.h>
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namespace nd4j {
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namespace graph {
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GraphHolder* GraphHolder::getInstance() {
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if (_INSTANCE == 0)
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_INSTANCE = new GraphHolder();
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return _INSTANCE;
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};
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void GraphHolder::registerGraph(Nd4jLong graphId, Graph* graph) {
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if (hasGraphAny(graphId))
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throw graph_exists_exception(graphId);
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_graphF[graphId] = graph;
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nd4j::SimpleReadWriteLock lock;
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_locks[graphId] = lock;
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}
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Graph* GraphHolder::cloneGraph(Nd4jLong graphId) {
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if (!this->hasGraph(graphId)) {
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nd4j_printf("GraphHolder doesn't have graph stored for [%lld]\n", graphId);
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throw std::runtime_error("Bad argument");
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}
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auto graph = _graphF[graphId]->cloneWithProxy();
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return graph;
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}
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Graph* GraphHolder::pullGraph(Nd4jLong graphId) {
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if (!this->hasGraph(graphId)) {
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nd4j_printf("GraphHolder doesn't have graph stored for [%lld]\n", graphId);
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throw std::runtime_error("Bad argument");
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}
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auto graph = _graphF[graphId];
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return graph;
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}
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void GraphHolder::forgetGraph(Nd4jLong graphId) {
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if (this->hasGraph(graphId))
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_graphF.erase(graphId);
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}
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void GraphHolder::dropGraph(Nd4jLong graphId) {
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if (this->hasGraph(graphId)) {
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auto g = _graphF[graphId];
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forgetGraph(graphId);
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delete g;
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}
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}
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void GraphHolder::dropGraphAny(Nd4jLong graphId) {
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if (!hasGraphAny(graphId))
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return;
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this->lockWrite(graphId);
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this->dropGraph(graphId);
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this->unlockWrite(graphId);
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}
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bool GraphHolder::hasGraphAny(Nd4jLong graphId) {
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return this->hasGraph(graphId);
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}
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bool GraphHolder::hasGraph(Nd4jLong graphId) {
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return _graphF.count(graphId) > 0;
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}
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void GraphHolder::replaceGraph(Nd4jLong graphId, Graph* graph) {
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if (!hasGraph(graphId)) {
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registerGraph(graphId, graph);
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return;
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}
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this->lockWrite(graphId);
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_graphF[graphId] = graph;
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this->unlockWrite(graphId);
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}
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flatbuffers::Offset<FlatResult> GraphHolder::execute(Nd4jLong graphId, flatbuffers::FlatBufferBuilder &builder, const FlatInferenceRequest* request) {
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if (!hasGraph(graphId))
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throw unknown_graph_exception(graphId);
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lockRead(graphId);
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auto graph = cloneGraph(graphId);
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auto res = GraphExecutioner::execute(graph, builder, request);
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delete graph;
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unlockRead(graphId);
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return res;
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}
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GraphHolder* GraphHolder::_INSTANCE = 0;
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}
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}
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