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include
cudf
dictionary
dictionary/search.hpp
转到此文件的文档。
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/*
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* Copyright (c) 2020-2024, 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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* https://apache.ac.cn/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 <
cudf/dictionary/dictionary_column_view.hpp
>
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#include <
cudf/scalar/scalar.hpp
>
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#include <
cudf/utilities/memory_resource.hpp
>
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namespace
CUDF_EXPORT
cudf
{
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namespace
dictionary {
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std::unique_ptr<scalar>
get_index
(
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dictionary_column_view
const
& dictionary,
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scalar
const
& key,
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rmm::cuda_stream_view
stream =
cudf::get_default_stream
(),
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rmm::device_async_resource_ref
mr =
cudf::get_current_device_resource_ref
());
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// end of group
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}
// namespace dictionary
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}
// namespace CUDF_EXPORT cudf
cudf::dictionary_column_view
用于对字典列进行操作的包装类。
定义:
dictionary_column_view.hpp:39
cudf::scalar
表示单个值的拥有类。
定义:
scalar.hpp:51
rmm::cuda_stream_view
dictionary_column_view.hpp
cudf::dictionary_column_view 的类定义。
cudf::get_default_stream
rmm::cuda_stream_view const get_default_stream()
获取当前的默认流。
cudf::dictionary::get_index
std::unique_ptr< scalar > get_index(dictionary_column_view const &dictionary, scalar const &key, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
返回给定键的索引值。
cudf::get_current_device_resource_ref
rmm::device_async_resource_ref get_current_device_resource_ref()
获取当前的设备内存资源引用。
定义:
memory_resource.hpp:47
device_async_resource_ref
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
memory_resource.hpp
cudf
cuDF 接口
定义:
host_udf.hpp:37
scalar.hpp
cudf::scalar 的类定义。
由
1.9.1 生成