| 37 | } |
| 38 | |
| 39 | inline void SyncedMemory::to_cpu() { |
| 40 | check_device(); |
| 41 | switch (head_) { |
| 42 | case UNINITIALIZED: |
| 43 | CaffeMallocHost(&cpu_ptr_, size_, &cpu_malloc_use_cuda_); |
| 44 | caffe_memset(size_, 0, cpu_ptr_); |
| 45 | head_ = HEAD_AT_CPU; |
| 46 | own_cpu_data_ = true; |
| 47 | break; |
| 48 | case HEAD_AT_GPU: |
| 49 | #ifndef CPU_ONLY |
| 50 | if (cpu_ptr_ == NULL) { |
| 51 | CaffeMallocHost(&cpu_ptr_, size_, &cpu_malloc_use_cuda_); |
| 52 | own_cpu_data_ = true; |
| 53 | } |
| 54 | caffe_gpu_memcpy(size_, gpu_ptr_, cpu_ptr_); |
| 55 | head_ = SYNCED; |
| 56 | #else |
| 57 | NO_GPU; |
| 58 | #endif |
| 59 | break; |
| 60 | case HEAD_AT_CPU: |
| 61 | case SYNCED: |
| 62 | break; |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | inline void SyncedMemory::to_gpu() { |
| 67 | check_device(); |
nothing calls this directly
no test coverage detected