[feat] apply deep_gemm compile_mode to skip launch (#9879)

python/pyproject.toml

@@ -58,7 +58,7 @@ runtime_common = [
 
 srt = [
     "sglang[runtime_common]",
-    "sgl-kernel==0.3.7.post1",
+    "sgl-kernel==0.3.8",
     "torch==2.8.0",
     "torchaudio==2.8.0",
     "torchvision",

python/sglang/srt/entrypoints/engine.py

@@ -681,7 +681,7 @@ def _set_envs_and_config(server_args: ServerArgs):
     if _is_cuda and not get_bool_env_var("SGLANG_SKIP_SGL_KERNEL_VERSION_CHECK"):
         assert_pkg_version(
             "sgl-kernel",
-            "0.3.7.post1",
+            "0.3.8",
             "Please reinstall the latest version with `pip install sgl-kernel --force-reinstall`",
         )
 

python/sglang/srt/layers/quantization/deep_gemm_wrapper/compile_utils.py

@@ -132,9 +132,17 @@ def _compile_deep_gemm_one_type_all(
         kernel_type, max_m=max(m_list), n=n, k=k, num_groups=num_groups
     )
 
+    old_compile_mode = deep_gemm.get_compile_mode()
+    deep_gemm.set_compile_mode(1)
     # TODO can use multi thread
     for m in tqdm(m_list, desc=f"DeepGEMM warmup"):
         executor.execute(m=m)
+    deep_gemm.set_compile_mode(old_compile_mode)
+
+    # clean up input buffers
+    torch.cuda.current_stream().synchronize()
+    del executor
+    torch.cuda.empty_cache()
 
 
 class _BaseWarmupExecutor: