Clean logs for DeepSeek-V3 launching (#6079)

python/sglang/srt/utils.py

@@ -2096,3 +2096,10 @@ class BumpAllocator:
         output = self._buffer[self._pointer : self._pointer + size]
         self._pointer += size
         return output
+
+
+def log_info_on_rank0(logger, msg):
+    from sglang.srt.distributed import get_tensor_model_parallel_rank
+
+    if get_tensor_model_parallel_rank() == 0:
+        logger.info(msg)