Created
October 19, 2017 00:09
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NCCL_DEBUG=INFO nccl 1.3.5
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| (root) pytorch@pytorch-desktop:~/multigpu-test$ | |
| (root) pytorch@pytorch-desktop:~/multigpu-test$ NCCL_DEBUG=INFO python test-simple.py | |
| Checkpoint 1 | |
| Checkpoint 2 | |
| INFO NCCL debug level set to INFO | |
| NCCL version 1.3.5 compiled with CUDA 9.0 | |
| INFO rank 0 using buffSize = 2097152 | |
| INFO rank 0 using device 0 (0000:0C:00.0) | |
| INFO rank 1 using buffSize = 2097152 | |
| INFO rank 1 using device 1 (0000:0D:00.0) | |
| INFO rank access 0 -> 0 via common device | |
| INFO rank access 0 -> 1 via P2P device mem | |
| INFO rank access 1 -> 0 via P2P device mem | |
| INFO rank access 1 -> 1 via common device | |
| INFO Global device memory space is enabled |
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