On this machine I have another process using theano with memory on the GPU.
Normally I can launch many processes and import theano but now I get this
error.
$ python
Python 2.7.12 |Anaconda 2.3.0 (64-bit)| (default, Jul 2 2016, 17:42:40)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
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>>> import theano
ERROR (theano.sandbox.cuda): ERROR: Not using GPU. Initialisation of device
0 failed:
cublasCreate() returned this error 'the CUDA Runtime initialization failed'
ERROR (theano.sandbox.cuda): ERROR: Not using GPU. Initialisation of device
gpu failed:
Not able to select available GPU from 2 cards (out of memory).
ERR!\nTraceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/u/cohenjos/.local/lib/python2.7/site-packages/theano/__init__.py",
line 111, in <module>
theano.sandbox.cuda.tests.test_driver.test_nvidia_driver1()
File
"/u/cohenjos/.local/lib/python2.7/site-packages/theano/sandbox/cuda/tests/test_driver.py",
line 29, i
n test_nvidia_driver1
A = cuda.shared_constructor(a)
File
"/u/cohenjos/.local/lib/python2.7/site-packages/theano/sandbox/cuda/var.py",
line 218, in float32_sha
red_constructor
enable_cuda=False)
File
"/u/cohenjos/.local/lib/python2.7/site-packages/theano/sandbox/cuda/__init__.py",
line 554, in use
cuda_ndarray.cuda_ndarray.select_a_gpu()
RuntimeError: ('Not able to select available GPU from 2 cards (out of
memory).', 'You asked to force this de
vice and it failed. No fallback to the cpu or other gpu device.')
>>>
~/.theanorc
[global]
device=gpu0
floatX=float32
Nvidia-smi shows there is plenty of memory:
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 367.44 Driver Version: 367.44 |
|-------------------------------+----------------------+----------------------+
| 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 TIT... Off | 0000:04:00.0 On | N/A |
| 82% 86C P2 195W / 250W | 2358MiB / 6081MiB | 100% Default |
+-------------------------------+----------------------+----------------------+
| 1 GeForce GTX TIT... Off | 0000:05:00.0 Off | N/A |
| 40% 68C P2 224W / 250W | 5851MiB / 6082MiB | 92% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 0 6566 G /usr/bin/X 22MiB |
| 0 15578 C python 2331MiB |
| 1 13043 C python 5846MiB |
+-----------------------------------------------------------------------------+
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