sglang_v0.5.2/flashinfer_0.3.1/csrc/batch_decode_jit_pybind.cu

41 lines
2.0 KiB
Plaintext

/*
* Copyright (c) 2023-2025 by FlashInfer team.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "batch_decode_config.inc"
#include "pytorch_extension_utils.h"
at::Tensor BatchDecodeWithPagedKVCachePlan(
at::Tensor float_workspace_buffer, at::Tensor int_workspace_buffer,
at::Tensor page_locked_int_workspace_buffer, at::Tensor indptr, int64_t batch_size,
int64_t num_qo_heads, int64_t num_kv_heads, int64_t page_size, bool enable_cuda_graph,
int64_t window_left, double logits_soft_cap, int64_t head_dim_qk, int64_t head_dim_vo,
at::Tensor empty_q_data, at::Tensor empty_kv_data);
void BatchDecodeWithPagedKVCacheRun(at::Tensor float_workspace_buffer,
at::Tensor int_workspace_buffer, at::Tensor plan_info_vec,
at::Tensor q, at::Tensor paged_k_cache,
at::Tensor paged_v_cache, at::Tensor paged_kv_indptr,
at::Tensor paged_kv_indices, at::Tensor paged_kv_last_page_len,
at::Tensor o, std::optional<at::Tensor> maybe_lse,
int64_t kv_layout_code, int64_t window_left,
bool enable_pdl ADDITIONAL_FUNC_PARAMS);
TORCH_LIBRARY_FRAGMENT(TORCH_EXTENSION_NAME, m) {
// Batched decode with paged KV-Cache plan
m.def("plan", BatchDecodeWithPagedKVCachePlan);
// Batched decode with paged KV-Cache run
m.def("run", BatchDecodeWithPagedKVCacheRun);
}