Files
composable_kernel/include/ck_tile/core
Enrico Degregori 2733e75900 [rocm-libraries] ROCm/rocm-libraries#6565 (commit d41715e)
[CK Tile] Async support pipeline V3

## Motivation

Optimize pipeline V3 for gfx950 by enabling buffer load to lds (async
pipeline)

## Technical Details

- Add `Async` bool to `Problem` struct to enable async pipeline in
existing one
- Add `static_move_ys` to load transpose. This generates offset in
assembly instructions saving registers
- Add `is_valid` to `async_get_vectorized_elements`. Before hard coded
to true. It allows to support padding
- Remove unnecessary restrictions to `is_a_load_tr` and `is_b_load_tr`
(wider use of lds load transpose on gfx950)
- Integrate async support in existing V3 pipeline (avoid pipelines
duplication)
- Create policy to support both async and default cases. This could be
used by any async pipeline (next steps)
- Define `wg_attr_num_access` separately for A and B. This allows to
optimize ds_read instruction width for cases when one matrix is
transposed and the other is not. Before in such cases, `ds_read_b64` was
used instead of `ds_read_b128`
- Add test for V3 async. Currently only supporting cases with A and B
having the same type

## Test Plan

New test `test_ck_tile_gemm_pipeline_compv3_async`

## Submission Checklist

- [x] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.
2026-06-19 06:57:14 +00:00
..
2024-04-15 19:27:12 -05:00

ck_tile/core

ck_tile/core contains every basic functions and structures to create a GPU kernel using ck_tile. User should only include ck_tile/core.hpp this single header to use all the functionality. Everything is under ck_tile namespace. The coding style under this folder should be similar to std (snake_case for structure/function, Camel for template types...)

algorithm/
    coordinate transform and some other reusable algorithm
arch/
    contains some basic device building block like mma, buffer addressing, etc...
container/
    contains basic container data structure, array/sequence/tuple/...
numeric/
    data type, and data type related math
tensor/
    tensor descriptors and tile level API
utility/
    other utility function for both host/device