@tduncan / Nvidia-Optimization-Stack-VLLM Mirror · read-only / commits / 71baf85ae1
Fork 0

A high-throughput and memory-efficient inference and serving engine for LLMs

Mirrored from https://github.com/tduncan-lum/Nvidia-Optimization-Stack---VLLM.git

Synced Nov 15, 04:45 UTC

[Kernel] mark TorchSDPABackend swap_blocks NotImplementedError (#19749)

Ning Xie committed Jun 21, 2025 at 02:18 UTC 71baf85ae11be24d4ea32d30cb5b8dfb0912a6cc
1 file changed +1 -1
vllm/attention/backends/torch_sdpa.py
+1 -1
@@ -65,7 +65,7 @@ class TorchSDPABackend(AttentionBackend):
65 dst_kv_cache: torch.Tensor,
66 src_to_dst: torch.Tensor,
67 ) -> None:
68 - PagedAttention.swap_blocks(src_kv_cache, dst_kv_cache, src_to_dst)
68 + raise NotImplementedError("Swap is not supported in TorchSDPABackend.")
69
70 @staticmethod
71 def copy_blocks(