[Fix] Fix the bug of the calculation of base_gpu_id (dp offset) in data_parallel_controller.py (#10741)

2025-10-03 13:25:57 -07:00
parent 4726c9197f
commit 546914fa2d
1 changed files with 3 additions and 1 deletions
--- a/python/sglang/srt/managers/data_parallel_controller.py
+++ b/python/sglang/srt/managers/data_parallel_controller.py
@@ -209,7 +209,9 @@ class DataParallelController:
                args=(server_args, tmp_port_args, base_gpu_id, dp_rank, ready_event),
            )
            threads.append(thread)
-            base_gpu_id += server_args.tp_size * server_args.gpu_id_step
+            base_gpu_id += (
+                server_args.tp_size * server_args.pp_size * server_args.gpu_id_step
+            )

        # Free all sockets before starting the threads to launch TP workers
        for sock in sockets: