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device_merge_sort.hpp

1 /******************************************************************************

2  * Copyright (c) 2010-2011, Duane Merrill. All rights reserved.

3  * Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.

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29 

30 #ifndef HIPCUB_ROCPRIM_DEVICE_DEVICE_MERGE_SORT_HPP_

31 #define HIPCUB_ROCPRIM_DEVICE_DEVICE_MERGE_SORT_HPP_

32 

33 #include "../../../config.hpp"

34 

35 #include "../util_type.hpp"

36 

37 #include <rocprim/device/device_merge_sort.hpp>

38 

39 BEGIN_HIPCUB_NAMESPACE

40 

41 struct DeviceMergeSort

42 {

43  template<typename KeyIteratorT, typename ValueIteratorT, typename OffsetT, typename CompareOpT>

44  HIPCUB_RUNTIME_FUNCTION static hipError_t SortPairs(void * d_temp_storage,

45  std::size_t & temp_storage_bytes,

46  KeyIteratorT d_keys,

47  ValueIteratorT d_items,

48  OffsetT num_items,

49  CompareOpT compare_op,

50  hipStream_t stream = 0,

51  bool debug_synchronous = false)

52  {

53  return ::rocprim::merge_sort(d_temp_storage,

54  temp_storage_bytes,

55  d_keys,

56  d_keys,

57  d_items,

58  d_items,

59  num_items,

60  compare_op,

61  stream,

62  debug_synchronous);

63  }

64 

65  template<typename KeyInputIteratorT,

66  typename ValueInputIteratorT,

67  typename KeyIteratorT,

68  typename ValueIteratorT,

69  typename OffsetT,

70  typename CompareOpT>

71  HIPCUB_RUNTIME_FUNCTION static hipError_t SortPairsCopy(void * d_temp_storage,

72  std::size_t & temp_storage_bytes,

73  KeyInputIteratorT d_input_keys,

74  ValueInputIteratorT d_input_items,

75  KeyIteratorT d_output_keys,

76  ValueIteratorT d_output_items,

77  OffsetT num_items,

78  CompareOpT compare_op,

79  hipStream_t stream = 0,

80  bool debug_synchronous = false)

81  {

82  return ::rocprim::merge_sort(d_temp_storage,

83  temp_storage_bytes,

84  d_input_keys,

85  d_output_keys,

86  d_input_items,

87  d_output_items,

88  num_items,

89  compare_op,

90  stream,

91  debug_synchronous);

92  }

93 

94  template<typename KeyIteratorT, typename OffsetT, typename CompareOpT>

95  HIPCUB_RUNTIME_FUNCTION static hipError_t SortKeys(void * d_temp_storage,

96  std::size_t & temp_storage_bytes,

97  KeyIteratorT d_keys,

98  OffsetT num_items,

99  CompareOpT compare_op,

100  hipStream_t stream = 0,

101  bool debug_synchronous = false)

102  {

103  return ::rocprim::merge_sort(

104  d_temp_storage, temp_storage_bytes,

105  d_keys, d_keys, num_items,

106  compare_op, stream, debug_synchronous

107  );

108  }

109 

110  template<typename KeyInputIteratorT,

111  typename KeyIteratorT,

112  typename OffsetT,

113  typename CompareOpT>

114  HIPCUB_RUNTIME_FUNCTION static hipError_t SortKeysCopy(void * d_temp_storage,

115  std::size_t & temp_storage_bytes,

116  KeyInputIteratorT d_input_keys,

117  KeyIteratorT d_output_keys,

118  OffsetT num_items,

119  CompareOpT compare_op,

120  hipStream_t stream = 0,

121  bool debug_synchronous = false)

122 

123  {

124  return ::rocprim::merge_sort(

125  d_temp_storage, temp_storage_bytes,

126  d_input_keys, d_output_keys, num_items,

127  compare_op, stream, debug_synchronous

128  );

129  }

130 

131  template <typename KeyIteratorT,

132  typename ValueIteratorT,

133  typename OffsetT,

134  typename CompareOpT>

135  HIPCUB_RUNTIME_FUNCTION static hipError_t

136  StableSortPairs(void *d_temp_storage,

137  std::size_t &temp_storage_bytes,

138  KeyIteratorT d_keys,

139  ValueIteratorT d_items,

140  OffsetT num_items,

141  CompareOpT compare_op,

142  hipStream_t stream = 0,

143  bool debug_synchronous = false)

144  {

145  return ::rocprim::merge_sort(d_temp_storage,

146  temp_storage_bytes,

147  d_keys,

148  d_keys,

149  d_items,

150  d_items,

151  num_items,

152  compare_op,

153  stream,

154  debug_synchronous);

155  }

156 

157  template<typename KeyIteratorT, typename OffsetT, typename CompareOpT>

158  HIPCUB_RUNTIME_FUNCTION static hipError_t StableSortKeys(void * d_temp_storage,

159  std::size_t & temp_storage_bytes,

160  KeyIteratorT d_keys,

161  OffsetT num_items,

162  CompareOpT compare_op,

163  hipStream_t stream = 0,

164  bool debug_synchronous = false)

165  {

166  return ::rocprim::merge_sort(

167  d_temp_storage, temp_storage_bytes,

168  d_keys, d_keys, num_items,

169  compare_op, stream, debug_synchronous

170  );

171  }

172 

173 };

174 END_HIPCUB_NAMESPACE

175 

176 #endif // HIPCUB_ROCPRIM_DEVICE_DEVICE_MERGE_SORT_HPP_