ptrendx commented on a change in pull request #15167: [WIP] Pointwise fusion
for GPU
URL: https://github.com/apache/incubator-mxnet/pull/15167#discussion_r298278388
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File path: docs/faq/env_var.md
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@@ -309,6 +309,17 @@ If ctypes is used, it must be
`mxnet._ctypes.ndarray.NDArrayBase`.
with float32.
- Model accuracies do not necessarily improve with this environment variable
turned on.
+* MXNET_USE_FUSION
Review comment:
I thought about it but I'm not sure - this fusion does not really use
subgraph API because of its limitations (like Gluon support, separate forward
and backward fusion), and would not work with the "get_optimized_symbol" API
(which using this env variable would imply).
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