From 86c59ac1aa85ed182275f085d7d5e039caeeabe0 Mon Sep 17 00:00:00 2001 From: Yuwei An Date: Mon, 13 Jul 2026 12:23:44 -0700 Subject: [PATCH] Revert "[Tiny] Enable Full Cuda Graph with Page size = 1" (#31062) --- python/sglang/srt/arg_groups/overrides.py | 3 --- 1 file changed, 3 deletions(-) diff --git a/python/sglang/srt/arg_groups/overrides.py b/python/sglang/srt/arg_groups/overrides.py index bbb775722..4d175a47a 100644 --- a/python/sglang/srt/arg_groups/overrides.py +++ b/python/sglang/srt/arg_groups/overrides.py @@ -1796,9 +1796,6 @@ def _fa4_page_constraint(view: Any) -> dict: # CUTLASS kernel aborts on at page_size>1. That path only works at # page_size==1, so skip the 128 auto-force for it and keep the default. and (view.speculative_eagle_topk or 0) <= 1 - # The full prefill CUDA graph runs the FA backend at page_size==1 only - # (#27988), so skip the 128 auto-force for it and keep the default. - and view.cuda_graph_config.prefill.backend != Backend.FULL ): logger.warning( f"FA4 backend only supports page size 128 for non-MLA model architectures, changing page_size from {view.page_size} to 128."