Commits · a1f49a2b92b6fa022379bbebafed9d7f5e96a675 · gaoqiong / flash-attention

06 Jan, 2023 1 commit
- [Compilation] Change BOOL_SWITCH to fix Windows compilation · a1f49a2b
  Tri Dao authored Jan 06, 2023
```
Follow xFormers's DISTPATCH_BOOL. Haven't tested it on Windows.
```
  a1f49a2b
04 Jan, 2023 3 commits
- [Gen, FT] Use fp32 accum for FMA · be1afaa2
  Tri Dao authored Jan 03, 2023
  
  be1afaa2
- [Gen, FT] Use tlength instead of params.timestep for rotary · f266fc72
  Tri Dao authored Jan 03, 2023
  
  f266fc72
- [Gen] Add kernel from FasterTransformer for benchmarking · a01d1213
  Tri Dao authored Jan 03, 2023
  
  a01d1213
25 Dec, 2022 2 commits
- Implement Tensor Parallel for transformer Block · a8cfe515
  Tri Dao authored Dec 25, 2022
  
  a8cfe515
- Implement TensorParallel for MHA · 1e712ea8
  Tri Dao authored Dec 24, 2022
  
  1e712ea8
24 Dec, 2022 1 commit
- Implement TensorParallel for FusedDense and FusedDenseGeluDense · 226a1b72
  Tri Dao authored Dec 23, 2022
  
  226a1b72
23 Dec, 2022 2 commits
- Add smoothing for CrossEntropyParallel, rename to CrossEntropyLoss · dff68c2b
  Tri Dao authored Dec 23, 2022
  
  dff68c2b
- Simplify FusedDense · e68ebbe8
  Tri Dao authored Dec 22, 2022
  
  e68ebbe8
13 Dec, 2022 1 commit
- [LayerNorm] Support taking subset of input or subset of output · 5db33051
  Tri Dao authored Dec 12, 2022
  
  5db33051
11 Dec, 2022 1 commit
- [LayerNorm] Fuse LayerScale · ae137ed1
  Tri Dao authored Dec 10, 2022
  
  ae137ed1
09 Dec, 2022 1 commit
- [LayerNorm] Support all dimensions up to 6k (if divisible by 8) · 8c6609ae
  Tri Dao authored Dec 08, 2022
  
  8c6609ae
06 Dec, 2022 1 commit
- Simplify BOOL_SWITCH macro to fix compiling error on gcc 7 · 8a2ece89
  Tri Dao authored Dec 06, 2022
  
  8a2ece89
29 Nov, 2022 1 commit
- Release training code · 0bf5e500
  Tri Dao authored Nov 28, 2022
  
  0bf5e500
26 Nov, 2022 2 commits
- Fix typo in comments · 9bc63d1e
  Tri Dao authored Nov 25, 2022
  
  9bc63d1e
- Speed up compilation by splitting into separate .cu files · d95ee1a9
  Tri Dao authored Nov 25, 2022
  
  d95ee1a9
17 Nov, 2022 1 commit
- [LayerNorm] Compile for both sm70 and sm80 · 39ed597b
  Tri Dao authored Nov 17, 2022
  
  39ed597b
15 Nov, 2022 2 commits
- Mention that some CUDA extensions have only been tested on A100s · 43ab0b52
  Tri Dao authored Nov 15, 2022
  
  43ab0b52
- [LayerNorm] Check cuda error after querying ctas_per_sm · e4d3013e
  Tri Dao authored Nov 15, 2022
  
  e4d3013e
14 Nov, 2022 2 commits
- Add GPT and ViT models · 2e33fc8e
  Tri Dao authored Nov 13, 2022
  
  2e33fc8e
- Add fused_dense and dropout_add_layernorm CUDA extensions · fa6d1ce4
  Tri Dao authored Nov 13, 2022
  
  fa6d1ce4
13 Nov, 2022 1 commit
- Add fused cross entropy loss · 7c995381
  Tri Dao authored Nov 12, 2022
  
  7c995381
09 Nov, 2022 1 commit
- Fix out-of-bound memory read · 6998e0ec
  Tri Dao authored Nov 09, 2022
  
  6998e0ec
05 Nov, 2022 2 commits
- Parallelize CUDA bwd along seqlen_k instead of seqlen_q · 55778193
  Tri Dao authored Nov 05, 2022
```
This is faster since we only need to do atomic adds on dq, instead of atomic
adds on both dk and dv.
```
  55778193
- Implement rotary embedding in CUDA · ca81f32e
  Tri Dao authored Nov 04, 2022
  
  ca81f32e
25 Oct, 2022 1 commit
- Get rid of o_rows_are_valid since we don't have headdim=16 anymore · c422fee3
  Tri Dao authored Oct 24, 2022
  
  c422fee3
24 Oct, 2022 3 commits
- Support all head dims that are multiples of 8, up to 128 · 46fd2a20
  Tri Dao authored Oct 24, 2022
  
  46fd2a20
- Cast q.get_device() to char to avoid compiler warning (narrowing) · 97e13de2
  Tri Dao authored Oct 24, 2022
  
  97e13de2
- Add Megatron attention implementation for benchmarking · ed553e92
  Tri Dao authored Oct 23, 2022
  
  ed553e92
23 Oct, 2022 2 commits
- Attempt to use atomicCAS to replace atomicAdd(bfloat16) · 9e92a1f2
  Tri Dao authored Oct 23, 2022
  
  9e92a1f2
- Split bwd on the seqlen_q dimension · a5a8806d
  Tri Dao authored Oct 23, 2022
  
  a5a8806d
22 Oct, 2022 1 commit
- Don't need to run configure for the forward pass · 871db479
  Tri Dao authored Oct 21, 2022
  
  871db479
21 Oct, 2022 3 commits
- Use block_size=128 for headdim=128 on SM80 · 7fc39832
  Tri Dao authored Oct 21, 2022
```
Previously we were using block_size=256.
```
  7fc39832
- Split fwd on the seqlen_q dimension · a44f48df
  Tri Dao authored Oct 21, 2022
  
  a44f48df
- Rework dropout to decouple forward and backward · 1aa6d7d9
  Tri Dao authored Oct 18, 2022
```
They don't have to have the same block size, number of threads, etc.
```
  1aa6d7d9
17 Oct, 2022 1 commit
- fix typo in function mha_fwd · ff07250e
  YangShu authored Oct 17, 2022
```
as title.
```
  ff07250e
16 Oct, 2022 1 commit
- Fix #54: set device for multi-GPU case · 52fb4b72
  Tri Dao authored Oct 16, 2022
  
  52fb4b72
14 Oct, 2022 1 commit
- Implement attention kernel that splits the batch into two · 5badfb78
  Tri Dao authored Oct 13, 2022
  
  5badfb78
05 Oct, 2022 2 commits
- Fixed switch statement, thanks @yocabon · 2211db5f
  Eric Engelhart authored Oct 04, 2022
  
  2211db5f
- Replace BOOL_SWITCH with FP16_SWITCH to work around MSVC bug with constexpr variables and templates · 9d7fd5b6
  Eric Engelhart authored Oct 03, 2022
  
  9d7fd5b6