[fx] added apex normalization to patched modules (#1300)

* [fx] added apex normalization to patched modules

* remove unused imports

colossalai/fx/tracer/meta_patch/patched_module/normalization.py

@@ -17,4 +17,14 @@ def torch_nn_normalize(self, input):
         assert input.dim() == 5
 
     # normalization maintain the same shape as the input
-    return input.clone()
\ No newline at end of file
+    return input.clone()
+
+
+try:
+    import apex
+    meta_patched_module.register(apex.normalization.FusedLayerNorm)(torch_nn_normalize)
+    meta_patched_module.register(apex.normalization.FusedRMSNorm)(torch_nn_normalize)
+    meta_patched_module.register(apex.normalization.MixedFusedLayerNorm)(torch_nn_normalize)
+    meta_patched_module.register(apex.normalization.MixedFusedRMSNorm)(torch_nn_normalize)
+except ImportError:
+    pass

tests/test_fx/test_pipeline/test_hf_model/test_t5.py

@@ -2,15 +2,6 @@ import pytest
 import transformers
 import torch
 from hf_utils import split_model_and_compare_output
-from colossalai.fx.tracer.meta_patch import meta_patched_module
-try:
-    import apex
-
-    @meta_patched_module.register(apex.normalization.FusedRMSNorm)
-    def apex_fused_layernorm(self, input):
-        return torch.empty(input.shape, device='meta')
-except ImportError:
-    pass
 
 BATCH_SIZE = 1
 SEQ_LENGHT = 16

tests/test_fx/test_tracer/test_hf_model/test_hf_t5.py

 import pytest
 import transformers
 import torch
-from colossalai.fx.tracer.meta_patch import meta_patched_module
 from utils import trace_model_and_compare_output
 
-try:
-    import apex
-
-    @meta_patched_module.register(apex.normalization.FusedRMSNorm)
-    def apex_fused_layernorm(self, input):
-        return torch.empty(input.shape, device='meta')
-except ImportError:
-    pass
-
 BATCH_SIZE = 1
 SEQ_LENGHT = 16