153 lines
5.0 KiB
C++
153 lines
5.0 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 07.10.2017.
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//
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#ifndef LIBND4J_OPREGISTRATOR_H
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#define LIBND4J_OPREGISTRATOR_H
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#include <system/pointercast.h>
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#include <vector>
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#include <unordered_map>
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#include <mutex>
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#include <ops/declarable/DeclarableOp.h>
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#include <ops/declarable/PlatformHelper.h>
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#include <execution/Engine.h>
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// handlers part
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#include <cstdlib>
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#include <csignal>
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#ifndef __JAVACPP_HACK__
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namespace std {
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template <>
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class hash<std::pair<Nd4jLong, samediff::Engine>> {
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public:
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size_t operator()(const std::pair<Nd4jLong, samediff::Engine>& k) const;
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};
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template <>
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class hash<std::pair<std::string, samediff::Engine>> {
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public:
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size_t operator()(const std::pair<std::string, samediff::Engine>& k) const;
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};
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};
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#endif
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namespace sd {
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namespace ops {
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/**
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* This class provides runtime ops lookup, based on opName or opHash.
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* To build lookup directory we use *_OP_IMPL macro, which puts static structs at compile time in .cpp files,
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* so once binary is executed, static objects are initialized automatically, and we get list of all ops
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* available at runtime via this singleton.
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*
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*/
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class ND4J_EXPORT OpRegistrator {
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private:
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static OpRegistrator* _INSTANCE;
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OpRegistrator() {
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nd4j_debug("OpRegistrator started\n","");
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#ifndef _RELEASE
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std::signal(SIGSEGV, &OpRegistrator::sigSegVHandler);
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std::signal(SIGINT, &OpRegistrator::sigIntHandler);
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std::signal(SIGABRT, &OpRegistrator::sigIntHandler);
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std::signal(SIGFPE, &OpRegistrator::sigIntHandler);
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std::signal(SIGILL, &OpRegistrator::sigIntHandler);
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std::signal(SIGTERM, &OpRegistrator::sigIntHandler);
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atexit(&OpRegistrator::exitHandler);
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#endif
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};
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MAP_IMPL<Nd4jLong, std::string> _msvc;
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// pointers to our operations
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MAP_IMPL<Nd4jLong, sd::ops::DeclarableOp*> _declarablesLD;
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MAP_IMPL<std::string, sd::ops::DeclarableOp*> _declarablesD;
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std::vector<sd::ops::DeclarableOp *> _uniqueD;
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// pointers to platform-specific helpers
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MAP_IMPL<std::pair<Nd4jLong, samediff::Engine>, sd::ops::platforms::PlatformHelper*> _helpersLH;
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MAP_IMPL<std::pair<std::string, samediff::Engine>, sd::ops::platforms::PlatformHelper*> _helpersH;
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std::vector<sd::ops::platforms::PlatformHelper*> _uniqueH;
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std::mutex _locker;
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std::string _opsList;
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bool isInit = false;
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public:
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~OpRegistrator();
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static OpRegistrator& getInstance();
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static void exitHandler();
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static void sigIntHandler(int sig);
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static void sigSegVHandler(int sig);
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void updateMSVC(Nd4jLong newHash, std::string& oldName);
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template <typename T>
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std::string local_to_string(T value);
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const char * getAllCustomOperations();
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/**
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* This method registers operation in our registry, so we can use them later
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*
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* @param op
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*/
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bool registerOperation(const char* name, sd::ops::DeclarableOp* op);
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bool registerOperation(sd::ops::DeclarableOp *op);
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void registerHelper(sd::ops::platforms::PlatformHelper* op);
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bool hasHelper(Nd4jLong hash, samediff::Engine engine);
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sd::ops::DeclarableOp* getOperation(const char *name);
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sd::ops::DeclarableOp* getOperation(Nd4jLong hash);
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sd::ops::DeclarableOp* getOperation(std::string &name);
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sd::ops::platforms::PlatformHelper* getPlatformHelper(Nd4jLong hash, samediff::Engine engine);
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std::vector<Nd4jLong> getAllHashes();
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int numberOfOperations();
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};
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/*
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* These structs are used to "register" our ops in OpRegistrator.
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*/
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template <typename OpName>
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struct __registrator{
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__registrator();
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};
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template <typename OpName>
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struct __registratorSynonym {
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__registratorSynonym(const char *name, const char *oname);
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};
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}
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}
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#endif //LIBND4J_OPREGISTRATOR_H
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