cavis/libnd4j/include/execution/CallableInterface.h

95 lines
3.0 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
******************************************************************************/
//
// @author raver119@gmail.com
//
#ifndef SAMEDIFF_CALLABLEINTERFACE_H
#define SAMEDIFF_CALLABLEINTERFACE_H
#include <system/openmp_pragmas.h>
#include <cstdint>
#include <functional>
#include <atomic>
#include <array>
#include <mutex>
#include <condition_variable>
namespace samediff {
/**
* This class is suited for passing functions to execution threads without queues
*/
class CallableInterface {
private:
// parallel_for functions
FUNC_1D _function_1d;
FUNC_2D _function_2d;
FUNC_3D _function_3d;
// parallel function
FUNC_DO _function_do;
// reduction functions
FUNC_RL _function_rl;
FUNC_RD _function_rd;
std::array<int64_t, 9> _arguments;
volatile int _branch = 0;
volatile uint32_t _thread_id = 0;
volatile uint32_t _num_threads = 0;
std::atomic<bool> _finished;
std::atomic<bool> _filled;
std::atomic<bool> _available;
std::condition_variable _starter;
std::condition_variable _finisher;
int64_t* _lptr = nullptr;
double* _dptr = nullptr;
std::mutex _ms;
std::mutex _mf;
public:
CallableInterface();
~CallableInterface() = default;
void waitForTask();
void waitForCompletion();
void fill(int thread_id, int num_threads, int64_t *lpt, FUNC_RL func, int64_t start_x, int64_t stop_x, int64_t inc_x);
void fill(int thread_id, int num_threads, double *dpt, FUNC_RD func, int64_t start_x, int64_t stop_x, int64_t inc_x);
void fill(int thread_id, int num_threads, FUNC_DO func);
void fill(int thread_id, int num_threads, FUNC_1D func, int64_t start_x, int64_t stop_x, int64_t inc_x);
void fill(int thread_id, int num_threads, FUNC_2D func, int64_t start_x, int64_t stop_x, int64_t inc_x, int64_t start_y, int64_t stop_y, int64_t inc_y);
void fill(int thread_id, int num_threads, FUNC_3D func, int64_t start_x, int64_t stop_x, int64_t inc_x, int64_t start_y, int64_t stop_y, int64_t inc_y, int64_t start_z, int64_t stop_z, int64_t inc_z);
bool available();
void markAvailable();
void markUnavailable();
void finish();
void execute();
};
}
#endif //DEV_TESTS_CALLABLEINTERFACE_H