| 23 | } |
| 24 | |
| 25 | inline void SyncedMemory::to_cpu() { |
| 26 | switch (head_) { |
| 27 | case UNINITIALIZED: |
| 28 | CaffeMallocHost(&cpu_ptr_, size_, &cpu_malloc_use_cuda_); |
| 29 | caffe_memset(size_, 0, cpu_ptr_); |
| 30 | head_ = HEAD_AT_CPU; |
| 31 | own_cpu_data_ = true; |
| 32 | break; |
| 33 | case HEAD_AT_GPU: |
| 34 | #ifndef CPU_ONLY |
| 35 | if (cpu_ptr_ == NULL) { |
| 36 | CaffeMallocHost(&cpu_ptr_, size_, &cpu_malloc_use_cuda_); |
| 37 | own_cpu_data_ = true; |
| 38 | } |
| 39 | caffe_gpu_memcpy(size_, gpu_ptr_, cpu_ptr_); |
| 40 | head_ = SYNCED; |
| 41 | #else |
| 42 | NO_GPU; |
| 43 | #endif |
| 44 | break; |
| 45 | case HEAD_AT_CPU: |
| 46 | case SYNCED: |
| 47 | break; |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | inline void SyncedMemory::to_gpu() { |
| 52 | #ifndef CPU_ONLY |
nothing calls this directly
no test coverage detected