Wed Dec 18 20:15:07 2013       
+------------------------------------------------------+                       
| NVIDIA-SMI 331.20     Driver Version: 331.20         |                       
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|===============================+======================+======================|
|   0  GeForce GTX TITAN   Off  | 0000:03:00.0      On |                  N/A |
| 85%   71C    P0   184W / 250W |    348MiB /  6143MiB |     99%      Default |
+-------------------------------+----------------------+----------------------+
|   1  GeForce GTX 680     Off  | 0000:04:00.0      On |                  N/A |
| 85%   63C    P0   144W / 225W |    232MiB /  2047MiB |     99%      Default |
+-------------------------------+----------------------+----------------------+
                                                                               
+-----------------------------------------------------------------------------+
| Compute processes:                                               GPU Memory |
|  GPU       PID  Process name                                     Usage      |
|=============================================================================|
|    0      7831  ..._tpsieve_1.39_x86_64-pc-linux-gnu__cudaPPSsieve    69MiB |
|    0      7829  ..._tpsieve_1.39_x86_64-pc-linux-gnu__cudaPPSsieve    69MiB |
|    0      8707  ..._tpsieve_1.39_x86_64-pc-linux-gnu__cudaPPSsieve    69MiB |
|    1      7833  ..._tpsieve_1.39_x86_64-pc-linux-gnu__cudaPPSsieve    39MiB |
|    1      7835  ..._tpsieve_1.39_x86_64-pc-linux-gnu__cudaPPSsieve    39MiB |
|    1      7837  ..._tpsieve_1.39_x86_64-pc-linux-gnu__cudaPPSsieve    39MiB |
+-----------------------------------------------------------------------------+