dmlc--dgl
Muhammed Fatih BALIN
55 行
1.6 KiB
C++
55 行
1.6 KiB
C++
/*
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* Copyright (c) 2023, NVIDIA CORPORATION.
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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 <nv_util.h>
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#include <cstdio>
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#include <limits>
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#include <static_hash_table.hpp>
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namespace gpu_cache {
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///////////////////////////////////////////////////////////////////////////////////////////////////
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template <typename key_type>
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class static_table {
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public:
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// Ctor
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static_table(const size_t table_size, const size_t embedding_vec_size,
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const float default_value = 0);
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// Dtor
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~static_table(){};
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// Query API, i.e. A single read from the cache
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void Query(const key_type* d_keys, const size_t len, float* d_values, cudaStream_t stream);
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// Replace API, i.e. Follow the Query API to update the content of the cache to Most Recent
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void Init(const key_type* d_keys, const size_t len, const float* d_values, cudaStream_t stream);
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void Clear(cudaStream_t stream);
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private:
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StaticHashTable<key_type, float> static_hash_table_;
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// Embedding vector size
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size_t embedding_vec_size_;
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size_t table_size_;
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float default_value_;
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};
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} // namespace gpu_cache
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