我知道这nvidia-smi -l 1
将使GPU每秒使用一次(类似于以下内容)。但是,我希望您能解释一下Volatile GPU-Util
真正的含义。那是使用的SM数量超过SM总数,占用率还是其他?
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 367.48 Driver Version: 367.48 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Tesla K20c Off | 0000:03:00.0 Off | 0 |
| 30% 41C P0 53W / 225W | 0MiB / 4742MiB | 96% Default |
+-------------------------------+----------------------+----------------------+
| 1 Tesla K20c Off | 0000:43:00.0 Off | 0 |
| 36% 49C P0 95W / 225W | 4516MiB / 4742MiB | 63% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 1 5193 C python 4514MiB |
+-----------------------------------------------------------------------------+