chore: bump flashinfer version to 0.6.8.post1 (#23281)

Co-authored-by: sglang-bot <sglang-bot@users.noreply.github.com>

python/pyproject.toml

@@ -27,8 +27,8 @@ dependencies = [
   "datasets",
   "einops",
   "fastapi",
-  "flashinfer_python==0.6.7.post3", # keep it aligned with jit-cache version in Dockerfile
-  "flashinfer_cubin==0.6.7.post3",
+  "flashinfer_python==0.6.8.post1", # keep it aligned with jit-cache version in Dockerfile
+  "flashinfer_cubin==0.6.8.post1",
   "gguf",
   "interegular",
   "llguidance>=0.7.11,<0.8.0",

python/sglang/srt/entrypoints/engine.py

@@ -1148,7 +1148,7 @@ def _set_envs_and_config(server_args: ServerArgs):
         if server_args.attention_backend == "flashinfer":
             assert_pkg_version(
                 "flashinfer_python",
-                "0.6.7.post3",
+                "0.6.8.post1",
                 "Please uninstall the old version and "
                 "reinstall the latest version by following the instructions "
                 "at https://docs.flashinfer.ai/installation.html.",

python/sglang/srt/utils/common.py

@@ -1035,7 +1035,7 @@ def check_pkg_version_at_least(pkg: str, min_version: str) -> bool:
 
     Args:
         pkg: Package name (distribution name, e.g., "flashinfer-python")
-        min_version: Minimum version required (e.g., "0.6.7.post3")
+        min_version: Minimum version required (e.g., "0.6.8.post1")
 
     Returns:
         True if package is installed and version >= min_version, False otherwise