lhutton1 commented on a change in pull request #9561:
URL: https://github.com/apache/tvm/pull/9561#discussion_r755176517
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File path: python/tvm/relay/backend/contrib/ethosu/codegen.py
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@@ -52,29 +60,147 @@ def constant_updater(expr, symbol): # pylint:
disable=unused-argument
return dict()
+class LayoutOptimization(ExprMutator):
+ """A pass to optimize the layout of NPU operations. If both the
+ producer and consumer of a tensor are NPU operators, then the
+ layout is converted from NHWC to NHCWB16.
+ """
+
+ def __init__(self):
+ self.children = {}
+ self.optimize_op = {
+ "contrib.ethosu.conv2d": ethosu_op.ethosu_conv2d,
+ "contrib.ethosu.depthwise_conv2d":
ethosu_op.ethosu_depthwise_conv2d,
+ "contrib.ethosu.pooling": ethosu_op.ethosu_pooling,
+ "contrib.ethosu.binary_elementwise":
ethosu_op.ethosu_binary_elementwise,
+ }
Review comment:
Thanks will do, I realized this as soon as I pushed the PR :)
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