From 0294844f04e233d0968a319aa7c244a69f79f981 Mon Sep 17 00:00:00 2001
From: TZHelloWorld <40588411+TZHelloWorld@users.noreply.github.com>
Date: Sun, 28 Dec 2025 13:47:39 +0800
Subject: [PATCH] [fix]deepgemm precompile when warmup (#15891)

---
 python/sglang/srt/layers/deep_gemm_wrapper/compile_utils.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/python/sglang/srt/layers/deep_gemm_wrapper/compile_utils.py b/python/sglang/srt/layers/deep_gemm_wrapper/compile_utils.py
index dca005dd1..5e25e56a2 100644
--- a/python/sglang/srt/layers/deep_gemm_wrapper/compile_utils.py
+++ b/python/sglang/srt/layers/deep_gemm_wrapper/compile_utils.py
@@ -291,5 +291,6 @@ class _GroupedMaskedWarmupExecutor(_BaseWarmupExecutor):
 def deep_gemm_execution_hook(
     m: int, n: int, k: int, num_groups: int, kernel_type: DeepGemmKernelType
 ):
-    _maybe_compile_deep_gemm_one_type_all(kernel_type, n, k, num_groups)
+    if m > 0:
+        _maybe_compile_deep_gemm_one_type_all(kernel_type, n, k, num_groups)
     yield