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6f07fa81d7
Signed-off-by: Yao Yao <lowsfer@users.noreply.github.com> KVCacheManagerV2 is a new python-based implementation of the KV cache manager, featuring cleaner API, better abstraction and better code quality without the accumulated legacy.
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
/*
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* SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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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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#pragma once
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#include <cstdint>
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#include <cuda.h>
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#include <vector>
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namespace tensorrt_llm::batch_manager::kv_cache_manager_v2
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{
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struct DiskAddress
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{
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int fd;
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ssize_t pos;
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};
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using MemAddress = std::uintptr_t;
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template <typename DstAddr, typename SrcAddr>
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struct Task
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{
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DstAddr dst;
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SrcAddr src;
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};
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CUresult copyDiskToDisk(std::vector<Task<DiskAddress, DiskAddress>> tasks, ssize_t numBytes, CUstream stream) noexcept;
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CUresult copyDiskToHost(std::vector<Task<MemAddress, DiskAddress>> tasks, ssize_t numBytes, CUstream stream) noexcept;
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CUresult copyHostToDisk(std::vector<Task<DiskAddress, MemAddress>> tasks, ssize_t numBytes, CUstream stream) noexcept;
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CUresult copyHostToHost(std::vector<Task<MemAddress, MemAddress>> tasks, ssize_t numBytes, CUstream stream) noexcept;
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CUresult copyHostToDevice(
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std::vector<Task<MemAddress, MemAddress>> const& tasks, ssize_t numBytes, CUstream stream) noexcept;
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CUresult copyDeviceToHost(
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std::vector<Task<MemAddress, MemAddress>> const& tasks, ssize_t numBytes, CUstream stream) noexcept;
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CUresult copyDeviceToDevice(
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std::vector<Task<MemAddress, MemAddress>> const& tasks, ssize_t numBytes, CUstream stream) noexcept;
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} // namespace tensorrt_llm::batch_manager::kv_cache_manager_v2
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