[Unity] Support TIR kernel for PagedKVCache #16374
Merged
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR supports PagedKVCache with leveraging TIR kernels.
Right now we do not have sufficient TIR kernels for multi-level sequences in PagedKVCache, therefore
Fork
in PagedKVCache is disabled when such a function does not exist.This PR adds a "reduced" creator of PagedKVCache, where some auxiliary functions such as the begin/end forward function of prefill/decode default to None.
CUDA tests are added to ensure correctness.
Co-authored-by: Hongyi Jin [email protected]
Co-authored-by: Bohan Hou [email protected]