__gnu_parallel::_Settings Struct Reference

List of all members.

Detailed Description

Run-time settings for the parallel mode, including all tunable parameters.

Definition at line 124 of file settings.h.

Public Member Functions

Static Public Member Functions

Public Attributes


Member Function Documentation

static const _Settings& __gnu_parallel::_Settings::get (  )  throw () [static]

Get the global settings.

Referenced by std::__parallel::accumulate_switch(), std::__parallel::adjacent_difference_switch(), std::__parallel::count_if_switch(), std::__parallel::count_switch(), __gnu_parallel::find_template(), std::__parallel::for_each_switch(), std::__parallel::generate_switch(), std::__parallel::inner_product_switch(), std::__parallel::max_element_switch(), std::__parallel::merge_switch(), std::__parallel::min_element_switch(), std::__parallel::nth_element(), __gnu_parallel::parallel_partial_sum(), __gnu_parallel::parallel_sort(), __gnu_parallel::parallel_sort_qs_conquer(), std::__parallel::partial_sort(), std::__parallel::partial_sum_switch(), std::__parallel::partition_switch(), std::__parallel::random_shuffle(), std::__parallel::replace_if_switch(), std::__parallel::set_difference_switch(), std::__parallel::set_intersection_switch(), std::__parallel::set_symmetric_difference_switch(), std::__parallel::set_union_switch(), std::__parallel::sort(), std::__parallel::stable_sort(), std::__parallel::transform1_switch(), std::__parallel::transform2_switch(), and std::__parallel::unique_copy_switch().

static void __gnu_parallel::_Settings::set ( _Settings  )  throw () [static]

Set the global settings.


Member Data Documentation

sequence_index_t __gnu_parallel::_Settings::accumulate_minimal_n

Minimal input size for accumulate.

Definition at line 140 of file settings.h.

unsigned int __gnu_parallel::_Settings::adjacent_difference_minimal_n

Minimal input size for adjacent_difference.

Definition at line 143 of file settings.h.

unsigned int __gnu_parallel::_Settings::cache_line_size

amount apart.

Definition at line 266 of file settings.h.

Referenced by __gnu_parallel::for_each_template_random_access_workstealing().

sequence_index_t __gnu_parallel::_Settings::count_minimal_n

Minimal input size for count and count_if.

Definition at line 146 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::fill_minimal_n

Minimal input size for fill.

Definition at line 149 of file settings.h.

double __gnu_parallel::_Settings::find_increasing_factor

Block size increase factor for find.

Definition at line 152 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::find_initial_block_size

Initial block size for find.

Definition at line 155 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::find_maximum_block_size

Maximal block size for find.

Definition at line 158 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::find_sequential_search_size

Start with looking for this many elements sequentially, for find.

Definition at line 161 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::for_each_minimal_n

Minimal input size for for_each.

Definition at line 164 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::generate_minimal_n

Minimal input size for generate.

Definition at line 167 of file settings.h.

unsigned long long __gnu_parallel::_Settings::L1_cache_size

Size of the L1 cache in bytes (underestimation).

Definition at line 255 of file settings.h.

unsigned long long __gnu_parallel::_Settings::L2_cache_size

Size of the L2 cache in bytes (underestimation).

Definition at line 258 of file settings.h.

Referenced by __gnu_parallel::parallel_random_shuffle_drs(), and __gnu_parallel::sequential_random_shuffle().

sequence_index_t __gnu_parallel::_Settings::max_element_minimal_n

Minimal input size for max_element.

Definition at line 170 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::merge_minimal_n

Minimal input size for merge.

Definition at line 173 of file settings.h.

unsigned int __gnu_parallel::_Settings::merge_oversampling

Oversampling factor for merge.

Definition at line 176 of file settings.h.

Referenced by __gnu_parallel::parallel_multiway_merge().

sequence_index_t __gnu_parallel::_Settings::min_element_minimal_n

Minimal input size for min_element.

Definition at line 179 of file settings.h.

int __gnu_parallel::_Settings::multiway_merge_minimal_k

Oversampling factor for multiway_merge.

Definition at line 185 of file settings.h.

Referenced by __gnu_parallel::multiway_merge(), and __gnu_parallel::multiway_merge_sentinel().

sequence_index_t __gnu_parallel::_Settings::multiway_merge_minimal_n

Minimal input size for multiway_merge.

Definition at line 182 of file settings.h.

Referenced by __gnu_parallel::multiway_merge(), and __gnu_parallel::multiway_merge_sentinel().

unsigned int __gnu_parallel::_Settings::multiway_merge_oversampling

Oversampling factor for multiway_merge.

Definition at line 188 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::nth_element_minimal_n

Minimal input size for nth_element.

Definition at line 191 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::partial_sort_minimal_n

Minimal input size for partial_sort.

Definition at line 204 of file settings.h.

float __gnu_parallel::_Settings::partial_sum_dilation

this factor slower than just "sum".

Definition at line 208 of file settings.h.

Referenced by __gnu_parallel::parallel_partial_sum_linear().

unsigned int __gnu_parallel::_Settings::partial_sum_minimal_n

Minimal input size for partial_sum.

Definition at line 211 of file settings.h.

double __gnu_parallel::_Settings::partition_chunk_share

this value overrides partition_chunk_size.

Definition at line 198 of file settings.h.

Referenced by __gnu_parallel::parallel_partition().

sequence_index_t __gnu_parallel::_Settings::partition_chunk_size

Chunk size for partition.

Definition at line 194 of file settings.h.

Referenced by __gnu_parallel::parallel_partition().

sequence_index_t __gnu_parallel::_Settings::partition_minimal_n

Minimal input size for partition.

Definition at line 201 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::qsb_steals

The number of stolen ranges in load-balanced quicksort.

Definition at line 271 of file settings.h.

unsigned int __gnu_parallel::_Settings::random_shuffle_minimal_n

Minimal input size for random_shuffle.

Definition at line 214 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::replace_minimal_n

Minimal input size for replace and replace_if.

Definition at line 217 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::set_difference_minimal_n

Minimal input size for set_difference.

Definition at line 220 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::set_intersection_minimal_n

Minimal input size for set_intersection.

Definition at line 223 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::set_symmetric_difference_minimal_n

Minimal input size for set_symmetric_difference.

Definition at line 226 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::set_union_minimal_n

Minimal input size for set_union.

Definition at line 229 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::sort_minimal_n

Minimal input size for parallel sorting.

Definition at line 232 of file settings.h.

unsigned int __gnu_parallel::_Settings::sort_mwms_oversampling

Oversampling factor for parallel std::sort (MWMS).

Definition at line 235 of file settings.h.

Referenced by __gnu_parallel::parallel_sort_mwms().

unsigned int __gnu_parallel::_Settings::sort_qs_num_samples_preset

Such many samples to take to find a good pivot (quicksort).

Definition at line 238 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::sort_qsb_base_case_maximal_n

Applies to std::sort with dynamically load-balanced quicksort.

Definition at line 242 of file settings.h.

unsigned int __gnu_parallel::_Settings::TLB_size

Size of the Translation Lookaside Buffer (underestimation).

Definition at line 261 of file settings.h.

Referenced by __gnu_parallel::parallel_random_shuffle_drs(), and __gnu_parallel::sequential_random_shuffle().

sequence_index_t __gnu_parallel::_Settings::transform_minimal_n

Minimal input size for parallel std::transform.

Definition at line 245 of file settings.h.

sequence_index_t __gnu_parallel::_Settings::unique_copy_minimal_n

Minimal input size for unique_copy.

Definition at line 248 of file settings.h.


The documentation for this struct was generated from the following file:
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