cavis/libnd4j/include/ops/declarable/OpRegistrator.h

153 lines
5.0 KiB
C++

/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// Created by raver119 on 07.10.2017.
//
#ifndef LIBND4J_OPREGISTRATOR_H
#define LIBND4J_OPREGISTRATOR_H
#include <system/pointercast.h>
#include <vector>
#include <unordered_map>
#include <mutex>
#include <ops/declarable/DeclarableOp.h>
#include <ops/declarable/PlatformHelper.h>
#include <execution/Engine.h>
// handlers part
#include <cstdlib>
#include <csignal>
#ifndef __JAVACPP_HACK__
namespace std {
template <>
class hash<std::pair<Nd4jLong, samediff::Engine>> {
public:
size_t operator()(const std::pair<Nd4jLong, samediff::Engine>& k) const;
};
template <>
class hash<std::pair<std::string, samediff::Engine>> {
public:
size_t operator()(const std::pair<std::string, samediff::Engine>& k) const;
};
};
#endif
namespace sd {
namespace ops {
/**
* This class provides runtime ops lookup, based on opName or opHash.
* To build lookup directory we use *_OP_IMPL macro, which puts static structs at compile time in .cpp files,
* so once binary is executed, static objects are initialized automatically, and we get list of all ops
* available at runtime via this singleton.
*
*/
class ND4J_EXPORT OpRegistrator {
private:
static OpRegistrator* _INSTANCE;
OpRegistrator() {
nd4j_debug("OpRegistrator started\n","");
#ifndef _RELEASE
std::signal(SIGSEGV, &OpRegistrator::sigSegVHandler);
std::signal(SIGINT, &OpRegistrator::sigIntHandler);
std::signal(SIGABRT, &OpRegistrator::sigIntHandler);
std::signal(SIGFPE, &OpRegistrator::sigIntHandler);
std::signal(SIGILL, &OpRegistrator::sigIntHandler);
std::signal(SIGTERM, &OpRegistrator::sigIntHandler);
atexit(&OpRegistrator::exitHandler);
#endif
};
MAP_IMPL<Nd4jLong, std::string> _msvc;
// pointers to our operations
MAP_IMPL<Nd4jLong, sd::ops::DeclarableOp*> _declarablesLD;
MAP_IMPL<std::string, sd::ops::DeclarableOp*> _declarablesD;
std::vector<sd::ops::DeclarableOp *> _uniqueD;
// pointers to platform-specific helpers
MAP_IMPL<std::pair<Nd4jLong, samediff::Engine>, sd::ops::platforms::PlatformHelper*> _helpersLH;
MAP_IMPL<std::pair<std::string, samediff::Engine>, sd::ops::platforms::PlatformHelper*> _helpersH;
std::vector<sd::ops::platforms::PlatformHelper*> _uniqueH;
std::mutex _locker;
std::string _opsList;
bool isInit = false;
public:
~OpRegistrator();
static OpRegistrator& getInstance();
static void exitHandler();
static void sigIntHandler(int sig);
static void sigSegVHandler(int sig);
void updateMSVC(Nd4jLong newHash, std::string& oldName);
template <typename T>
std::string local_to_string(T value);
const char * getAllCustomOperations();
/**
* This method registers operation in our registry, so we can use them later
*
* @param op
*/
bool registerOperation(const char* name, sd::ops::DeclarableOp* op);
bool registerOperation(sd::ops::DeclarableOp *op);
void registerHelper(sd::ops::platforms::PlatformHelper* op);
bool hasHelper(Nd4jLong hash, samediff::Engine engine);
sd::ops::DeclarableOp* getOperation(const char *name);
sd::ops::DeclarableOp* getOperation(Nd4jLong hash);
sd::ops::DeclarableOp* getOperation(std::string &name);
sd::ops::platforms::PlatformHelper* getPlatformHelper(Nd4jLong hash, samediff::Engine engine);
std::vector<Nd4jLong> getAllHashes();
int numberOfOperations();
};
/*
* These structs are used to "register" our ops in OpRegistrator.
*/
template <typename OpName>
struct __registrator{
__registrator();
};
template <typename OpName>
struct __registratorSynonym {
__registratorSynonym(const char *name, const char *oname);
};
}
}
#endif //LIBND4J_OPREGISTRATOR_H