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From GitBox <...@apache.org>
Subject [GitHub] [singa] nudles commented on a change in pull request #728: Fix create_cuda_gpu
Date Wed, 10 Jun 2020 07:57:03 GMT

nudles commented on a change in pull request #728:
URL: https://github.com/apache/singa/pull/728#discussion_r437931959



##########
File path: python/singa/device.py
##########
@@ -113,10 +113,8 @@ def create_cuda_gpu(set_default=False):
         a swig converted CudaGPU device.
     '''
     assert singa.USE_CUDA, 'SINGA has not been compiled with CUDA enabled.'
-    devices = singa.Platform.CreateCudaGPUs(1)
-    if set_default:
-        set_default_device(devices[0])
-    return devices[0]
+    device = create_cuda_gpu_on(0, set_default)

Review comment:
       I think we should create a default_gpu_device attribute for the device module
   
   ```python
   default_gpu_device = None
   
   def create_cuda_gpu():
       assert ...
       if default_gpu_device is None:
           default_gpu_device = create_cuda_gpu_on(0)
       return default_gpu_device
   ```




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