42 lines
2.0 KiB
Plaintext
42 lines
2.0 KiB
Plaintext
/*
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* Copyright (c) 2023 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 append_paged_kv_cache(at::Tensor append_key, at::Tensor append_value, at::Tensor batch_indices,
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at::Tensor positions, at::Tensor paged_k_cache, at::Tensor paged_v_cache,
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at::Tensor kv_indices, at::Tensor kv_indptr, at::Tensor kv_last_page_len,
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int64_t layout);
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void append_paged_mla_kv_cache(at::Tensor append_ckv, at::Tensor append_kpe,
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at::Tensor batch_indices, at::Tensor positions, at::Tensor ckv_cache,
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at::Tensor kpe_cache, at::Tensor kv_indices, at::Tensor kv_indptr,
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at::Tensor kv_last_page_len);
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void block_sparse_indices_to_vector_sparse_offsets(
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at::Tensor block_sparse_indices, at::Tensor block_sparse_indptr,
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at::Tensor vector_sparse_offsets, at::Tensor vector_sparse_indptr, at::Tensor kv_len_arr,
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int64_t stride_block, int64_t stride_n, int64_t batch_size, int64_t block_size);
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TORCH_LIBRARY_FRAGMENT(TORCH_EXTENSION_NAME, m) {
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// "Append paged KV-Cache operator"
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m.def("append_paged_kv_cache", append_paged_kv_cache);
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// "Append paged MLA KV-Cache operator"
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m.def("append_paged_mla_kv_cache", append_paged_mla_kv_cache);
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// "Precompute block sparse offsets"
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m.def("block_sparse_indices_to_vector_sparse_offsets",
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block_sparse_indices_to_vector_sparse_offsets);
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}
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