github.com/rohankumardubey/aresdb@v0.0.2-0.20190517170215-e54e3ca06b9c/query/memory.cu (about) 1 // Copyright (c) 2017-2018 Uber Technologies, Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef QUERY_MEMORY_HPP 16 #define QUERY_MEMORY_HPP 17 18 #include "query/memory.hpp" 19 #include <cuda_runtime.h> 20 #include <cstdlib> 21 #include <cstring> 22 #include <string> 23 #include "memutils/memory.h" 24 #include "query/utils.hpp" 25 26 // MemoryError represents a memory error. 27 class MemoryError : public AlgorithmError{ 28 public: 29 explicit MemoryError(const std::string &message) : AlgorithmError(message) { 30 } 31 }; 32 33 void checkMemoryError(CGoCallResHandle res) { 34 if (res.pStrErr != nullptr) { 35 throw MemoryError(res.pStrErr); 36 } 37 } 38 39 namespace ares { 40 void deviceMalloc(void **devPtr, size_t size) { 41 checkMemoryError(::deviceMalloc(devPtr, size)); 42 } 43 44 void deviceFree(void *devPtr) { 45 checkMemoryError(::deviceFree(devPtr)); 46 } 47 48 void deviceMemset(void *devPtr, int value, size_t count) { 49 checkMemoryError(::deviceMemset(devPtr, value, count)); 50 } 51 52 void asyncCopyHostToDevice(void* dst, const void* src, size_t count, 53 cudaStream_t stream) { 54 checkMemoryError(::asyncCopyHostToDevice(dst, src, count, stream)); 55 } 56 57 } // namespace ares 58 #endif // QUERY_MEMORY_HPP