From 36beaeab0a224847159a07efab2a80fb5ab65176 Mon Sep 17 00:00:00 2001 From: Andy Xie Date: Tue, 17 Jun 2025 23:19:11 +0800 Subject: [PATCH] [Kernel] mark TorchSDPABackend swap_blocks NotImplementedError Signed-off-by: Andy Xie --- vllm/attention/backends/torch_sdpa.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/vllm/attention/backends/torch_sdpa.py b/vllm/attention/backends/torch_sdpa.py index 3e1336a5ac3b..af5fe81dc883 100644 --- a/vllm/attention/backends/torch_sdpa.py +++ b/vllm/attention/backends/torch_sdpa.py @@ -65,7 +65,7 @@ def swap_blocks( dst_kv_cache: torch.Tensor, src_to_dst: torch.Tensor, ) -> None: - PagedAttention.swap_blocks(src_kv_cache, dst_kv_cache, src_to_dst) + raise NotImplementedError("Swap is not supported in TorchSDPABackend.") @staticmethod def copy_blocks(