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Fixes incorrect variable reference in comment #1775

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Merged
tridao merged 2 commits into from
Aug 24, 2025
Merged

Fixes incorrect variable reference in comment #1775

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0277bbc
Fixes incorrect variable reference in comment
LoserCheems Jul 25, 2025
326511e
Merge branch 'Dao-AILab:main' into main
LoserCheems Aug 24, 2025
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2 changes: 1 addition & 1 deletion csrc/flash_attn/flash_api.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -515,7 +515,7 @@ std::vector<at::Tensor>
mha_varlen_fwd(at::Tensor &q, // total_q x num_heads x head_size, total_q := \sum_{i=0}^{b} s_i
const at::Tensor &k, // total_k x num_heads_k x head_size, total_k := \sum_{i=0}^{b} s_i or num_blocks x page_block_size x num_heads_k x head_size if there's a block_table.
const at::Tensor &v, // total_k x num_heads_k x head_size, total_k := \sum_{i=0}^{b} s_i or num_blocks x page_block_size x num_heads_k x head_size if there's a block_table.
std::optional<at::Tensor> &out_, // total_q x num_heads x head_size, total_k := \sum_{i=0}^{b} s_i
std::optional<at::Tensor> &out_, // total_q x num_heads x head_size, total_q := \sum_{i=0}^{b} s_i
const at::Tensor &cu_seqlens_q, // b+1
const at::Tensor &cu_seqlens_k, // b+1
std::optional<at::Tensor> &seqused_k, // b. If given, only this many elements of each batch element's keys are used.
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