sorting.hpp

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/*
 * SPDX-FileCopyrightText: Copyright (c) 2019-2025, NVIDIA CORPORATION.
 * SPDX-License-Identifier: Apache-2.0
 */
 
#pragma once
 
#include <cudf/aggregation.hpp>
#include <cudf/types.hpp>
#include <cudf/utilities/default_stream.hpp>
#include <cudf/utilities/export.hpp>
#include <cudf/utilities/memory_resource.hpp>
 
#include <memory>
#include <vector>
 
namespace CUDF_EXPORT cudf {
 
std::unique_ptr<column> sorted_order(
  table_view const& input,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> stable_sorted_order(
  table_view const& input,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
bool is_sorted(cudf::table_view const& table,
               std::vector<order> const& column_order,
               std::vector<null_order> const& null_precedence,
               rmm::cuda_stream_view stream = cudf::get_default_stream());
 
std::unique_ptr<table> sort(
  table_view const& input,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<table> stable_sort(
  table_view const& input,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<table> sort_by_key(
  table_view const& values,
  table_view const& keys,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<table> stable_sort_by_key(
  table_view const& values,
  table_view const& keys,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> rank(
  column_view const& input,
  rank_method method,
  order column_order,
  null_policy null_handling,
  null_order null_precedence,
  bool percentage,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> segmented_sorted_order(
  table_view const& keys,
  column_view const& segment_offsets,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> stable_segmented_sorted_order(
  table_view const& keys,
  column_view const& segment_offsets,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<table> segmented_sort_by_key(
  table_view const& values,
  table_view const& keys,
  column_view const& segment_offsets,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<table> stable_segmented_sort_by_key(
  table_view const& values,
  table_view const& keys,
  column_view const& segment_offsets,
  std::vector<order> const& column_order         = {},
  std::vector<null_order> const& null_precedence = {},
  rmm::cuda_stream_view stream                   = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr              = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> top_k(
  column_view const& col,
  size_type k,
  order topk_order                  = order::DESCENDING,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> top_k_order(
  column_view const& col,
  size_type k,
  order topk_order                  = order::DESCENDING,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> segmented_top_k(
  column_view const& col,
  column_view const& segment_offsets,
  size_type k,
  order topk_order                  = order::DESCENDING,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
 
std::unique_ptr<column> segmented_top_k_order(
  column_view const& col,
  column_view const& segment_offsets,
  size_type k,
  order topk_order                  = order::DESCENDING,
  rmm::cuda_stream_view stream      = cudf::get_default_stream(),
  rmm::device_async_resource_ref mr = cudf::get_current_device_resource_ref());
  // end of group
}  // namespace CUDF_EXPORT cudf