From bb3e3cbceb510b05109d3dfdcbbd07a1a2905314 Mon Sep 17 00:00:00 2001 From: Thomas Wang Date: Tue, 1 Sep 2026 23:37:30 +0800 Subject: [PATCH] [AMD] Fix v4 topk issue (#37439) --- .../srt/layers/attention/deepseek_v4_backend_hip_radix.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py b/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py index e7055bb2a..cabc08389 100644 --- a/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py +++ b/python/sglang/srt/layers/attention/deepseek_v4_backend_hip_radix.py @@ -492,7 +492,7 @@ class DeepseekV4HipRadixBackend( page_size=self.page_size, page_table=core_attn_metadata.page_table, c4_seq_lens=core_attn_metadata.c4_topk_lengths_raw, - use_topk_v2=False, + use_topk_v2=self.dsa_topk_backend.should_use_topk_v2(), ) def init_forward_metadata_decode(