| 64 | } |
| 65 | |
| 66 | inline void SyncedMemory::to_gpu() { |
| 67 | check_device(); |
| 68 | #ifndef CPU_ONLY |
| 69 | switch (head_) { |
| 70 | case UNINITIALIZED: |
| 71 | CUDA_CHECK(cudaMalloc(&gpu_ptr_, size_)); |
| 72 | caffe_gpu_memset(size_, 0, gpu_ptr_); |
| 73 | head_ = HEAD_AT_GPU; |
| 74 | own_gpu_data_ = true; |
| 75 | break; |
| 76 | case HEAD_AT_CPU: |
| 77 | if (gpu_ptr_ == NULL) { |
| 78 | CUDA_CHECK(cudaMalloc(&gpu_ptr_, size_)); |
| 79 | own_gpu_data_ = true; |
| 80 | } |
| 81 | caffe_gpu_memcpy(size_, cpu_ptr_, gpu_ptr_); |
| 82 | head_ = SYNCED; |
| 83 | break; |
| 84 | case HEAD_AT_GPU: |
| 85 | case SYNCED: |
| 86 | break; |
| 87 | } |
| 88 | #else |
| 89 | NO_GPU; |
| 90 | #endif |
| 91 | } |
| 92 | |
| 93 | const void* SyncedMemory::cpu_data() { |
| 94 | check_device(); |
nothing calls this directly
no test coverage detected