KNOB_BOOL(ResolveFusedBatchNorm, true, Enable ResolveFusedBatchNorm transform)
KNOB_BOOL(ResolveConstantShape, true, Replace determined TFShape to TFConst)
KNOB_BOOL(ResolveReshapeWildcardDim, true, Resolve wildcard dimension in TFReshape node)
-KNOB_BOOL(RemoveTFIdentityNode, false, Enable RemoveTFIdentityNode optimization)
+KNOB_BOOL(RemoveTFIdentityNode, true, Enable RemoveTFIdentityNode optimization)
// Canonicalization
KNOB_BOOL(CanonicalizeBiasAdd, true, Enable Canonicalize for BiasAdd node)