[GitHub] szha commented on a change in pull request #12668: Add documents for two new environment variables for memory pool.

[GitBox <gi...@apache.org>]

szha commented on a change in pull request #12668: Add documents for two new environment variables for memory pool.
URL: https://github.com/apache/incubator-mxnet/pull/12668#discussion_r220420195
 
 

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 File path: docs/faq/env_var.md
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 @@ -58,6 +58,15 @@ $env:MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0
   - Values: Int ```(default=5)```
   - The percentage of GPU memory to reserve for things other than the GPU array, such as kernel launch or cudnn handle space.
   - If you see a strange out-of-memory error from the kernel launch, after multiple iterations, try setting this to a larger value.  
+* MXNET_GPU_MEM_POOL_TYPE
+  - Values: String ```(default=Naive)```
+  - The type of memory pool.
+  - Choices:
+    - Naive: A simple memory pool that allocates memory for the exact requested size and cache memory buffers. If the buffered memory match the requested size, the memory will be returned from the pool in memory allocation.
 
 Review comment:
   If any buffered memory chunk matches the size of a new request, the chunk from the memory pool will be returned and reused.

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