390 lines
11 KiB
C++
390 lines
11 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 06.10.2017.
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//
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#include <iostream>
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#include <cstdlib>
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#include <stdexcept>
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#include <string>
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#include "system/Environment.h"
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#include <helpers/StringUtils.h>
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#include <thread>
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#include <helpers/logger.h>
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#include <memory/MemoryCounter.h>
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#ifdef _OPENMP
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#include <omp.h>
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#endif
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#ifdef __CUDABLAS__
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#include <cuda.h>
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#include <cuda_runtime.h>
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#include <system/BlasVersionHelper.h>
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#endif
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namespace sd {
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sd::Environment::Environment() {
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_tadThreshold.store(1);
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_elementThreshold.store(1024);
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_verbose.store(false);
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_debug.store(false);
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_profile.store(false);
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_precBoost.store(false);
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_leaks.store(false);
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_dataType.store(sd::DataType::FLOAT32);
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_maxThreads = std::thread::hardware_concurrency();
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_maxMasterThreads = _maxThreads.load();
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#ifndef ANDROID
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const char* omp_threads = std::getenv("OMP_NUM_THREADS");
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if (omp_threads != nullptr) {
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try {
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std::string omp(omp_threads);
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int val = std::stoi(omp);
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_maxThreads.store(val);
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_maxMasterThreads.store(val);
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} catch (std::invalid_argument &e) {
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// just do nothing
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} catch (std::out_of_range &e) {
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// still do nothing
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}
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}
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/**
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* Defines size of thread pool used for parallelism
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*/
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const char* max_threads = std::getenv("SD_MAX_THREADS");
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if (max_threads != nullptr) {
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try {
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std::string t(max_threads);
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int val = std::stoi(t);
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_maxThreads.store(val);
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} catch (std::invalid_argument &e) {
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// just do nothing
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} catch (std::out_of_range &e) {
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// still do nothing
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}
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}
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/**
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* Defines max number of threads usable at once
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*/
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const char* max_master_threads = std::getenv("SD_MASTER_THREADS");
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if (max_master_threads != nullptr) {
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try {
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std::string t(max_master_threads);
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int val = std::stoi(t);
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_maxMasterThreads.store(val);
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} catch (std::invalid_argument &e) {
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// just do nothing
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} catch (std::out_of_range &e) {
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// still do nothing
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}
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}
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if (_maxMasterThreads.load() > _maxThreads.load()) {
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nd4j_printf("Warning! MAX_MASTER_THREADS > MAX_THREADS, tuning them down to match each other\n","");
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_maxMasterThreads.store(_maxThreads.load());
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}
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/**
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* If this env var is defined - we'll disallow use of platform-specific helpers (mkldnn, cudnn, etc)
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*/
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const char* forbid_helpers = std::getenv("SD_FORBID_HELPERS");
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if (max_master_threads != nullptr) {
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_allowHelpers = false;
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}
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/**
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* This var defines max amount of host memory library can allocate
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*/
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const char* max_primary_memory = std::getenv("SD_MAX_PRIMARY_BYTES");
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if (max_primary_memory != nullptr) {
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try {
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std::string t(max_primary_memory);
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auto val = std::stol(t);
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_maxTotalPrimaryMemory.store(val);
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} catch (std::invalid_argument &e) {
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// just do nothing
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} catch (std::out_of_range &e) {
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// still do nothing
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}
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}
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/**
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* This var defines max amount of special (i.e. device) memory library can allocate on all devices combined
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*/
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const char* max_special_memory = std::getenv("SD_MAX_SPECIAL_BYTES");
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if (max_special_memory != nullptr) {
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try {
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std::string t(max_special_memory);
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auto val = std::stol(t);
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_maxTotalSpecialMemory.store(val);
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} catch (std::invalid_argument &e) {
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// just do nothing
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} catch (std::out_of_range &e) {
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// still do nothing
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}
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}
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/**
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* This var defines max amount of special (i.e. device) memory library can allocate on all devices combined
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*/
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const char* max_device_memory = std::getenv("SD_MAX_DEVICE_BYTES");
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if (max_device_memory != nullptr) {
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try {
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std::string t(max_device_memory);
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auto val = std::stol(t);
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_maxDeviceMemory.store(val);
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} catch (std::invalid_argument &e) {
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// just do nothing
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} catch (std::out_of_range &e) {
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// still do nothing
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}
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}
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const char* blas_fallback = std::getenv("SD_BLAS_FALLBACK");
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if (blas_fallback != nullptr) {
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_blasFallback = true;
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}
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#endif
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#ifdef __CUDABLAS__
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int devCnt = 0;
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cudaGetDeviceCount(&devCnt);
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auto devProperties = new cudaDeviceProp[devCnt];
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for (int i = 0; i < devCnt; i++) {
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cudaSetDevice(i);
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cudaGetDeviceProperties(&devProperties[i], i);
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//cudaDeviceSetLimit(cudaLimitStackSize, 4096);
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Pair p(devProperties[i].major, devProperties[i].minor);
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_capabilities.emplace_back(p);
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}
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BlasVersionHelper ver;
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_blasMajorVersion = ver._blasMajorVersion;
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_blasMinorVersion = ver._blasMinorVersion;
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_blasPatchVersion = ver._blasPatchVersion;
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cudaSetDevice(0);
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delete[] devProperties;
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#else
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#endif
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}
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bool sd::Environment::blasFallback() {
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return _blasFallback;
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}
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sd::Environment::~Environment() {
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//
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}
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void Environment::setMaxPrimaryMemory(uint64_t maxBytes) {
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_maxTotalPrimaryMemory = maxBytes;
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}
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void Environment::setMaxSpecialyMemory(uint64_t maxBytes) {
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_maxTotalSpecialMemory = maxBytes;
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}
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void Environment::setMaxDeviceMemory(uint64_t maxBytes) {
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_maxDeviceMemory = maxBytes;
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}
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Environment *Environment::getInstance() {
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if (_instance == 0)
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_instance = new Environment();
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return _instance;
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}
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bool Environment::isVerbose() {
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return _verbose.load();
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}
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bool Environment::isExperimentalBuild() {
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return _experimental;
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}
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sd::DataType Environment::defaultFloatDataType() {
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return _dataType.load();
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}
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std::vector<Pair>& Environment::capabilities() {
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return _capabilities;
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}
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void Environment::setDefaultFloatDataType(sd::DataType dtype) {
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if (dtype != sd::DataType::FLOAT32 && dtype != sd::DataType::DOUBLE && dtype != sd::DataType::FLOAT8 && dtype != sd::DataType::HALF)
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throw std::runtime_error("Default Float data type must be one of [FLOAT8, FLOAT16, FLOAT32, DOUBLE]");
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_dataType.store(dtype);
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}
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void Environment::setVerbose(bool reallyVerbose) {
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_verbose = reallyVerbose;
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}
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bool Environment::isDebug() {
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return _debug.load();
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}
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bool Environment::isProfiling() {
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return _profile.load();
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}
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bool Environment::isDetectingLeaks() {
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return _leaks.load();
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}
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void Environment::setLeaksDetector(bool reallyDetect) {
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_leaks.store(reallyDetect);
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}
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void Environment::setProfiling(bool reallyProfile) {
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_profile.store(reallyProfile);
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}
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bool Environment::isDebugAndVerbose() {
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return this->isDebug() && this->isVerbose();
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}
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void Environment::setDebug(bool reallyDebug) {
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_debug = reallyDebug;
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}
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int Environment::tadThreshold() {
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return _tadThreshold.load();
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}
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void Environment::setTadThreshold(int threshold) {
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_tadThreshold = threshold;
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}
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int Environment::elementwiseThreshold() {
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return _elementThreshold.load();
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}
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void Environment::setElementwiseThreshold(int threshold) {
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_elementThreshold = threshold;
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}
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int Environment::maxThreads() {
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return _maxThreads.load();
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}
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int Environment::maxMasterThreads() {
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return _maxMasterThreads.load();
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}
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void Environment::setMaxThreads(int max) {
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// FIXME: not possible at this moment, since maxThreads is limited by number of threads in pool. however we can allocate more threads if we want
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//_maxThreads.store(max);
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}
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void Environment::setMaxMasterThreads(int max) {
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if (max > maxThreads()) {
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max = maxThreads();
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}
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if (max < 1)
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return;
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_maxMasterThreads = max;
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}
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bool Environment::precisionBoostAllowed() {
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return _precBoost.load();
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}
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void Environment::allowPrecisionBoost(bool reallyAllow) {
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_precBoost.store(reallyAllow);
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}
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bool Environment::isCPU() {
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#ifdef __CUDABLAS__
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return false;
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#else
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return true;
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#endif
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}
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int Environment::blasMajorVersion(){
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return _blasMajorVersion;
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}
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int Environment::blasMinorVersion(){
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return _blasMinorVersion;
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}
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int Environment::blasPatchVersion(){
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return _blasPatchVersion;
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}
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bool Environment::helpersAllowed() {
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return _allowHelpers.load();
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}
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void Environment::allowHelpers(bool reallyAllow) {
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_allowHelpers.store(reallyAllow);
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}
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void Environment::setGroupLimit(int group, Nd4jLong numBytes) {
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sd::memory::MemoryCounter::getInstance()->setGroupLimit((sd::memory::MemoryType) group, numBytes);
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}
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void Environment::setDeviceLimit(int deviceId, Nd4jLong numBytes) {
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sd::memory::MemoryCounter::getInstance()->setDeviceLimit(deviceId, numBytes);
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}
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Nd4jLong Environment::getGroupLimit(int group) {
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return sd::memory::MemoryCounter::getInstance()->groupLimit((sd::memory::MemoryType) group);
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}
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Nd4jLong Environment::getDeviceLimit(int deviceId) {
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return sd::memory::MemoryCounter::getInstance()->deviceLimit(deviceId);
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}
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Nd4jLong Environment::getGroupCounter(int group) {
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return sd::memory::MemoryCounter::getInstance()->allocatedGroup((sd::memory::MemoryType) group);
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}
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Nd4jLong Environment::getDeviceCounter(int deviceId) {
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return sd::memory::MemoryCounter::getInstance()->allocatedDevice(deviceId);
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}
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uint64_t Environment::maxPrimaryMemory() {
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return _maxTotalPrimaryMemory.load();
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}
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uint64_t Environment::maxSpecialMemory() {
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return _maxTotalSpecialMemory.load();
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}
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sd::Environment *sd::Environment::_instance = 0;
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}
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