[WIP] Add SameDiff Graph Optimizer#223
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Signed-off-by: AlexDBlack <blacka101@gmail.com>
Signed-off-by: AlexDBlack <blacka101@gmail.com>
Signed-off-by: AlexDBlack <blacka101@gmail.com>
Signed-off-by: AlexDBlack <blacka101@gmail.com>
Signed-off-by: AlexDBlack <blacka101@gmail.com>
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Adds a graph optimization framework. Still very much WIP.
After the framework is done, we will have a large set of actual optimizations to add.
In the short term, the main reason for starting to add this is for improved performance with cuDNN - certain input/output and weight layouts will result in higher performance, due to no need to permute the weights on every iteration.