rafactor: move gqa_group_size from template parameter to input arguments#301
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rafactor: move gqa_group_size from template parameter to input arguments#301
gqa_group_size from template parameter to input arguments#301Conversation
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…QA (#317) The tensor-cores accelerated GQA in our [blog post](https://flashinfer.ai/2024/02/02/introduce-flashinfer.html) was not enabled by default (user need to use Prefill kernels/wrappers for decode to get such acceleration). In this PR we add an option `use_tensor_cores` to decode operators/wrappers, and user can select whether to use `tensor_cores` for acceleration depending on use cases. Not that our prefill kernels are compiled for all possible group sizes (#301 ), but decode kernels are not. So if user wants to use general group size, it's encouraged to set `use_tensor_cores=True`.
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🤖 I have created a release *beep* *boop* --- ## [0.1.0](v0.0.4...v0.1.0) (2024-06-20) ### Highlights * Support any GQA group size support for tensor-cores kernels. * Support any page size support for tensor-cores kernels. * Support CUDA-Graph for prefill/decode APIs. * Add an option to accelerate decode kernels with Tensor Cores. * Support custom attention mask. (https://docs.flashinfer.ai/tutorials/kv_layout.html#mask-layout-2d-ragged-tensor) * Support logits cap in Grok-1 models. * Fused GPU-sampling kernels: top-p, top-k, speculative verification. (https://docs.flashinfer.ai/api/python/sampling.html) * PyTorch wrapper of group-gemm cutlass kernels. (https://docs.flashinfer.ai/api/python/sampling.html) ### Acknowledgement We thank [@ibsidorenko](https://github.com/ibsidorenko), [@LiuXiaoxuanPKU](https://github.com/LiuXiaoxuanPKU), [@Yard1](https://github.com/Yard1) [@AgrawalAmey](https://github.com/AgrawalAmey), [@xuzhenqi](https://github.com/xuzhenqi), [@mgerstgrasser](https://github.com/mgerstgrasser), [@esmeetu](https://github.com/esmeetu), [@yz-tang](https://github.com/yz-tang), [@HSQ79815](https://github.com/HSQ79815), [@Qubitium](https://github.com/Qubitium), [@shreygupta2809](https://github.com/shreygupta2809), [@sighingnow](https://github.com/sighingnow), [@vinx13](https://github.com/vinx13), [@tqchen](https://github.com/tqchen), [@merrymercy](https://github.com/merrymercy), [@comaniac](https://github.com/comaniac) and many others for their contributions and helpful discussions for 0.0.5 release. ### Refactor * support any GQA group size for tensor-cores kernels ([#301](#301)) ([c111ca](c111ca6)) * support any page size for tensor-cores kernels ([#306](#306)) ([82fd8c](82fd8c7)) ### Features * add `use_tensor_cores` option to decode kernels to accelerate GQA ([#317](#317)) ([3b50dd5](3b50dd5)) * add group gemm operators ([#282](#282)) ([e08ba42](e08ba42)) * initial support of distributed operators ([#289](#289)) ([03553da](03553da)) * initial support of logits hook ([#298](#298)) ([ab1e2ad](ab1e2ad)) * Separate Q and KV dtypes for decode ([#286](#286)) ([5602659](5602659)) * support cuda graph for batched multi-query(prefill/append) attention ([#275](#275)) ([83ceb67](83ceb67)) * support cuda graph for batched multi-query(prefill/append) attention ([#277](#277)) ([24cc583](24cc583)) * support custom attention mask in prefill/append attention kernels ([#266](#266)) ([7304282](7304282)) * fused speculative sampilng kernels ([#259](#259)) ([cea2bb](cea2bb9)) * expose sampling APIs in pytorch ([#238](#238)) ([092902](0929023)) ### Performance Improvements * initial cuda graph support ([#256](#256)) ([7e9cc7f](7e9cc7f)) * split kv-cache for prefill/append kernels ([#310](#310)) ([f0bb0a3](f0bb0a3)) * use packed bit array for attention mask ([#308](#308)) ([3d43dc9](3d43dc9)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please). --------- Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> Co-authored-by: Zihao Ye <expye@outlook.com>
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#262 is out of sync with main, this PR rebased the code on main branch.
This PR also greatly reduce the binary size because we don't need to compile prefill kernels for each gqa group size.