minke.yu/sglang
1
0
Fork 0
Code Issues Pull Requests Actions 13 Packages Projects Releases Wiki Activity

Try to allow NCCL cumem for multi node nvlink case (#11987)

Browse Source
This commit is contained in:
fzyzcjy
2025-10-31 12:48:25 -07:00
committed by GitHub
parent a80bcb5a68
commit 30ad107028
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
python/sglang/srt/entrypoints/engine.py
+1
View File
@@ -677,6 +677,7 @@ class Engine(EngineBase):
def _set_envs_and_config(server_args: ServerArgs): def _set_envs_and_config(server_args: ServerArgs):
# Set global environments # Set global environments
os.environ["TF_CPP_MIN_LOG_LEVEL"] = "3" os.environ["TF_CPP_MIN_LOG_LEVEL"] = "3"
if "NCCL_CUMEM_ENABLE" not in os.environ:
os.environ["NCCL_CUMEM_ENABLE"] = str(int(server_args.enable_symm_mem)) os.environ["NCCL_CUMEM_ENABLE"] = str(int(server_args.enable_symm_mem))
if not server_args.enable_symm_mem: if not server_args.enable_symm_mem:
os.environ["NCCL_NVLS_ENABLE"] = str(int(server_args.enable_nccl_nvls)) os.environ["NCCL_NVLS_ENABLE"] = str(int(server_args.enable_nccl_nvls))