[CPU] Disable async schedule on CPU (#31525)

Signed-off-by: jiang1.li <jiang1.li@intel.com>

[CPU] Disable async schedule on CPU (#31525)
Signed-off-by: jiang1.li <jiang1.li@intel.com>
71575961 · Li, Jiang · GitHub · ab1af6aa · 71575961
Unverified Commit 71575961 authored Dec 30, 2025 by Li, Jiang Committed by GitHub Dec 30, 2025
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vllm/platforms/cpu.py vllm/platforms/cpu.py +2 -0

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--- a/vllm/platforms/cpu.py
+++ b/vllm/platforms/cpu.py
@@ -193,6 +193,8 @@ class CpuPlatform(Platform):
            )

        scheduler_config = vllm_config.scheduler_config
+        # async scheduling is not required on CPU
+        scheduler_config.async_scheduling = False
        if (
            scheduler_config.enable_chunked_prefill
            or cache_config.enable_prefix_caching