eric-haibin-lin commented on a change in pull request #11041: gpu mem pool
strategy
URL: https://github.com/apache/incubator-mxnet/pull/11041#discussion_r191000176
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File path: src/storage/storage.cc
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@@ -118,7 +118,21 @@ void StorageImpl::Alloc(Storage::Handle* handle) {
#if MXNET_USE_CUDA
CUDA_CALL(cudaGetDeviceCount(&num_gpu_device));
CHECK_GT(num_gpu_device, 0) << "GPU usage requires at least 1 GPU";
- ptr = new storage::GPUPooledStorageManager();
+
+ const char *type = getenv("MXNET_GPU_MEM_POOL_TYPE");
+ const bool default_pool = (type == nullptr);
+ if (default_pool) type = "Naive";
+ std::string strategy = type;
+
+ if (strategy == "Round") {
+ ptr = new storage::GPUPooledRoundedStorageManager();
+ LOG(INFO) << "Using GPUPooledRoundedStorageManager.";
+ } else {
+ if (strategy != "Naive") {
+ LOG(INFO) << "Unknown memory pool strategy specified: " <<
strategy << ".";
Review comment:
log(fatal)?
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