[Fix] Suppress dynamo logging when using flashinfer backend with torch compile (#5992)

Author: Fridge003

python/sglang/srt/layers/attention/flashinfer_backend.py

@@ -16,8 +16,9 @@
 import torch
 
 if os.environ["SGLANG_ENABLE_TORCH_COMPILE"] == "1":
-    import torch._dynamo
+    import logging
 
+    torch._logging.set_logs(dynamo=logging.ERROR)
     torch._dynamo.config.suppress_errors = True
 
 from sglang.global_config import global_config

python/sglang/srt/layers/attention/flashinfer_mla_backend.py

@@ -18,8 +18,9 @@
 import triton
 
 if os.environ["SGLANG_ENABLE_TORCH_COMPILE"] == "1":
-    import torch._dynamo
+    import logging
 
+    torch._logging.set_logs(dynamo=logging.ERROR)
     torch._dynamo.config.suppress_errors = True
 
 from sglang.global_config import global_config