Commit Graph

5 Commits

Author SHA1 Message Date
Christian Sigg
fc7a8e3581 Rebase Triton to LLVM-15. (#1070)
This PR rebases Triton from LLVM-14 to LLVM-15. Most changes are
mechanical, except for the analysis framework changes.
2023-02-16 06:40:53 -08:00
Yan Chunwei
88498d104a [BACKEND] DotOp enable ld.v4 in MMAv1 (#1020)
The existing convert distributed to distributed layouts logic is based
on processing each MMA-block, this requires each MMA-block to share
exactly the same fixed pattern(such as the one described in the [NV PTX
doc](https://docs.nvidia.com/cuda/parallel-thread-execution/index.html#warp-level-matrix-fragment-mma-16816-float)).

While for MMAv1, things are different, the MMA-block has variant
patterns for different shapes and data layouts as below

<img width="200" alt="image"
src="https://user-images.githubusercontent.com/328693/213354941-731d7856-ad24-4f48-be0e-3cf41532cfa4.png">

This requires all the cell coordinates in DotOp output to be computed.
2023-01-19 09:42:33 -08:00
Philippe Tillet
408d1d7e87 [OPTIMIZER] Improved flash attention forward pass performance (#1075)
- Fixed typo in instruction reordering pass
- Minor additional optimizations for shared memory allocator
- Optimized flash attention tutorial forward pass kernel
2023-01-19 06:46:01 +00:00
Keren Zhou
678b9f53a2 [Backend] Use post-order traversal for liveness numbering (#1027)
Also add tests for `tt.trans`.
2023-01-03 15:11:54 -08:00
Philippe Tillet
20100a7254 Merge triton-mlir branch - Complete rewrite of the backend from scratch (#1004)
This PR merges the `triton-mlir` branch, in which we have been quietly
rewriting the Triton backend from scratch to increase maintainability,
stability and ultimately performance. Changes to the runtime are
minimal, and this new version aims to remain backward-compatible with
the previous commit. The legacy backend is now officially deprecated,
but can still be accessed via the `legacy-backend` tag.

Co-authored-by: Keren Zhou <kerenzhou@openai.com>
Co-authored-by: Yan Chunwei <yanchunwei@outlook.com>
Co-authored-by: goostavz <109190422+goostavz@users.noreply.github.com>
Co-authored-by: Shintaro Iwasaki <siwasaki@fb.com>
Co-authored-by: Yan Da <dyanab@connect.ust.hk>
Co-authored-by: Jun Yang <yangjunpro@gmail.com>
Co-authored-by: Ian Bearman <ianb@microsoft.com>
Co-authored-by: Jason Ansel <jansel@jansel.net>
Co-authored-by: Qingyi Liu <qingyil@nvidia.com>
Co-authored-by: ben-zhang-609 <110140741+ben-zhang-609@users.noreply.github.com>
Co-authored-by: Chenggang Zhao <lyricz@yeah.net>
Co-authored-by: ben-zhang-609 <benzh609@gmail.com>
Co-authored-by: dongdongl <dongdongl@nvidia.com>
2022-12-21 01:30:50 -08:00