Commit History

Autor SHA1 Mensaxe Data
  Antoni Viros 83e41b3ca4 Add custom ops for compatibility with PT Compile (#1139) hai 2 meses
  youkaichao ef3e358a25 remove lambda (#1056) hai 4 meses
  Tri Dao 898dd4bbf2 Pass seqused_k to _flash_attn_varlen_forward hai 5 meses
  Tri Dao 40e534a7f6 Implement cache_leftpad hai 5 meses
  Tri Dao 81e01efd4b More typo fixes hai 5 meses
  Tri Dao 72e27c6320 Fix typo with softcapping hai 5 meses
  Phil Wang f4628b43ec missing commas and backwards return arguments (#1032) hai 5 meses
  Nicolas Patry 8f873cc6ac Implement softcapping. (#1025) hai 5 meses
  Jianwei Dong 4e8d60069f Add the return_softmax_lse parameter to the flash_attn_with_kvcache function to allow returning the logsumexp of the attention scores. (#989) hai 5 meses
  Grigory Sizov f816dee63c Support unpadded LSE layout (#970) hai 5 meses
  Grigory Sizov 2a15840f09 Enable paged attention in varlen forward (#831) hai 9 meses
  Tao He 204c3c6d1b Fixes an error in comment (#785) hai 10 meses
  Tri Dao 54e80a3829 Implement page KV cache hai 10 meses
  Tri Dao a7b66ae25a Simplify writing softmax to gmem hai 11 meses
  Tri Dao 732654583c Implement deterministic backward (thanks to Meituan) hai 11 meses
  Tri Dao 5ab9b3667b Clean up alibi, implement non-causal alibi hai 1 ano
  Tri Dao bc28eacc60 Format flash_attn_interface.py hai 1 ano
  Sanghun Cho e4f726fc44 Support alibi, by Sanghun Cho from Kakao Brain hai 1 ano
  Tri Dao d4a7c8ffbb [CI] Only compile for CUDA 11.8 & 12.2, MAX_JOBS=2,add torch-nightly hai 1 ano
  Jeremy Reizenstein ce3e7280f8 Allow varlen_fwd to take optional seqused_k (#647) hai 1 ano
  Tri Dao e279bf8ed9 [Gen] Accept cache_batch_idx to index into the KV cache hai 1 ano
  Tri Dao 083e8f525f Implement local attention hai 1 ano
  Tri Dao ccbb14f38e Implement rotary embedding in flash_attn_with_kvcache hai 1 ano
  Tri Dao ee77b931b9 Swap seqlen_q and nheads for MQA to speed it up (h/t Daniel Haziza) hai 1 ano
  Tri Dao fd20f16a4e Support cache_seqlens being integer hai 1 ano
  Tri Dao 37c6e05406 Implement flash_attn_with_kvcache hai 1 ano
  Tri Dao 9e5e8bc91e Change causal mask to be aligned to bottom-right instead of top-left hai 1 ano
  Tri Dao d431f16751 Import torch before flash_attn_2_cuda hai 1 ano
  Tri Dao f1a73d0740 Run isort and black on python files hai 1 ano
  Tri Dao 8f4cd4c16b [Docs] Fix docstring about Q nheads being divisible by KV nheads hai 1 ano