transpose.hpp
前往此文件的文档。
1 /*
2  * Copyright (c) 2019-2024, NVIDIA CORPORATION.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
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8  * https://apache.ac.cn/licenses/LICENSE-2.0
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10  * Unless required by applicable law or agreed to in writing, software
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13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 #pragma once
17 
18 #include <cudf/column/column.hpp>
19 #include <cudf/table/table_view.hpp>
20 #include <cudf/utilities/export.hpp>
21 #include <cudf/utilities/memory_resource.hpp>
22 
23 namespace CUDF_EXPORT cudf {
46 std::pair<std::unique_ptr<column>, table_view> transpose(
47  table_view const& input,
48  rmm::cuda_stream_view stream = cudf::get_default_stream(),
49  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
50  // end of group
52 } // namespace CUDF_EXPORT cudf
cudf::table_view
一组大小相同的 cudf::column_view。
定义： table_view.hpp:200
rmm::cuda_stream_view
column.hpp
cudf::column 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::get_current_device_resource_ref
rmm::device_async_resource_ref get_current_device_resource_ref()
获取当前设备内存资源的引用。
定义： memory_resource.hpp:47
device_async_resource_ref
cuda::mr::async_resource_ref< cuda::mr::device_accessible > device_async_resource_ref
cudf::transpose
std::pair< std::unique_ptr< column >, table_view > transpose(table_view const &input, rmm::cuda_stream_view stream=cudf::get_default_stream(), rmm::device_async_resource_ref mr=cudf::get_current_device_resource_ref())
转置一个表。
memory_resource.hpp
cudf
cuDF 接口
定义： host_udf.hpp:37
table_view.hpp
(mutable)_table_view 的类定义
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