fix kwargs for torch.amp.autocast

Signed-off-by: Xin Yao <[email protected]>

transformer_engine/pytorch/distributed.py

@@ -251,21 +251,27 @@ def in_fp8_activation_recompute_phase() -> bool:
 
     def _get_active_autocast_contexts():
         """
-        Returns new CPU and GPU torch.amp.autocast(..) contexts that match the active autocast state
-        at the time of this function's execution.
+        Returns new CPU and GPU torch.amp.autocast(..) contexts that match the active autocast
+        state at the time of this function's execution.
         """
         autocast_cached = torch.is_autocast_cache_enabled()
 
         gpu_autocast_enabled = torch.is_autocast_enabled("cuda")
         gpu_autocast_dtype = torch.get_autocast_dtype("cuda")
         gpu_autocast_ctx = torch.amp.autocast(
-            "cuda", gpu_autocast_enabled, gpu_autocast_dtype, autocast_cached
+            "cuda",
+            enabled=gpu_autocast_enabled,
+            dtype=gpu_autocast_dtype,
+            cache_enabled=autocast_cached,
         )
 
         cpu_autocast_enabled = torch.is_autocast_enabled("cpu")
         cpu_autocast_dtype = torch.get_autocast_dtype("cpu")
         cpu_autocast_ctx = torch.amp.autocast(
-            "cpu", cpu_autocast_enabled, cpu_autocast_dtype, autocast_cached
+            "cpu",
+            enabled=cpu_autocast_enabled,
+            dtype=cpu_autocast_dtype,
+            cache_enabled=autocast_cached,
         )
 
         return gpu_autocast_ctx, cpu_autocast_ctx
@@ -274,8 +280,8 @@ def _get_active_autocast_contexts():
 
     def _get_active_autocast_contexts():
         """
-        Returns new CPU and GPU torch.amp.autocast(..) contexts that match the active autocast state
-        at the time of this function's execution.
+        Returns new CPU and GPU torch.amp.autocast(..) contexts that match the active autocast
+        state at the time of this function's execution.
         """
         autocast_cached = torch.is_autocast_cache_enabled()