35 lines
1.7 KiB
Plaintext
35 lines
1.7 KiB
Plaintext
/*
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* Copyright (c) 2023-2025 by FlashInfer team.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "pytorch_extension_utils.h"
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void FMHACutlassSM100Run(at::Tensor workspace_buffer, at::Tensor q, at::Tensor k, at::Tensor v,
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at::Tensor qo_segment_offsets, at::Tensor kv_segment_offsets,
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at::Tensor work_indptr, at::Tensor qo_tile_indices,
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at::Tensor qo_head_indices, at::Tensor batch_indices, at::Tensor o,
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std::optional<at::Tensor> maybe_lse, int64_t mask_mode_code,
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double sm_scale, int64_t num_qo_heads, int64_t num_kv_heads,
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int64_t head_dim_qk, int64_t head_dim_vo, int64_t max_qo_len);
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void blackwell_fmha_plan(at::Tensor qo_segment_offsets, at::Tensor kv_segment_offsets,
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at::Tensor work_indptr, at::Tensor qo_tile_indices,
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at::Tensor head_indices, at::Tensor batch_indices, int64_t qo_tile_size,
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int64_t num_heads, int64_t num_buckets, bool causal);
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TORCH_LIBRARY_FRAGMENT(TORCH_EXTENSION_NAME, m) {
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m.def("run", FMHACutlassSM100Run);
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m.def("plan", blackwell_fmha_plan);
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}
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