nudles commented on a change in pull request #492: Make singa use multiple 
memory pools
URL: https://github.com/apache/incubator-singa/pull/492#discussion_r309955069
 
 

 ##########
 File path: src/core/device/platform.cc
 ##########
 @@ -133,8 +154,11 @@ Platform::CreateCudaGPUsOn(const vector<int> &devices, 
size_t init_size) {
   vector<shared_ptr<Device> > ret;
   for (auto device : devices) {
     auto dev = std::make_shared<CudaGPU>(device, pool);
-    ret.push_back(dev);
+    UsedDevice[device]=dev;
   }
+  int count = Platform::GetNumGPUs();
+  for(int i = 0;i < count;i++)if(UsedDevice[i]!=nullptr)
 
 Review comment:
   no comments and the code is not formatted following google style.

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