Definition at line 118 of file settings.h.
static const _Settings& __gnu_parallel::_Settings::get | ( | ) | throw () [static] |
Get the global settings.
Referenced by __gnu_parallel::find_template(), __gnu_parallel::for_each_template_random_access_workstealing(), __gnu_parallel::multiway_merge_sampling_splitting(), __gnu_parallel::parallel_multiway_merge(), __gnu_parallel::parallel_nth_element(), __gnu_parallel::parallel_partial_sum(), __gnu_parallel::parallel_partial_sum_linear(), __gnu_parallel::parallel_partition(), __gnu_parallel::parallel_sort(), __gnu_parallel::parallel_sort_mwms(), __gnu_parallel::parallel_sort_mwms_pu(), __gnu_parallel::parallel_sort_qs_conquer(), and __gnu_parallel::qsb_local_sort_with_helping().
static void __gnu_parallel::_Settings::set | ( | _Settings & | ) | throw () [static] |
Set the global settings.
unsigned int __gnu_parallel::_Settings::cache_line_size |
Overestimation of cache line size. Used to avoid false sharing, i. e. elements of different threads are at least this amount apart.
Definition at line 260 of file settings.h.
Referenced by __gnu_parallel::for_each_template_random_access_workstealing().
Start with looking for this many elements sequentially, for find.
Definition at line 155 of file settings.h.
unsigned long long __gnu_parallel::_Settings::L1_cache_size |
unsigned long long __gnu_parallel::_Settings::L2_cache_size |
Size of the L2 cache in bytes (underestimation).
Definition at line 252 of file settings.h.
Referenced by __gnu_parallel::parallel_random_shuffle_drs(), and __gnu_parallel::sequential_random_shuffle().
unsigned int __gnu_parallel::_Settings::merge_oversampling |
Oversampling factor for merge.
Definition at line 170 of file settings.h.
Referenced by __gnu_parallel::multiway_merge_sampling_splitting(), and __gnu_parallel::parallel_multiway_merge().
Minimal input size for nth_element.
Definition at line 185 of file settings.h.
Referenced by __gnu_parallel::parallel_nth_element().
Ratio for partial_sum. Assume "sum and write result" to be this factor slower than just "sum".
Definition at line 202 of file settings.h.
Referenced by __gnu_parallel::parallel_partial_sum_linear().
unsigned int __gnu_parallel::_Settings::partial_sum_minimal_n |
Chunk size for partition, relative to input size. If > 0.0, this value overrides partition_chunk_size.
Definition at line 192 of file settings.h.
Referenced by __gnu_parallel::parallel_partition().
Chunk size for partition.
Definition at line 188 of file settings.h.
Referenced by __gnu_parallel::parallel_partition().
Minimal input size for partition.
Definition at line 195 of file settings.h.
Referenced by __gnu_parallel::parallel_nth_element().
unsigned int __gnu_parallel::_Settings::random_shuffle_minimal_n |
unsigned int __gnu_parallel::_Settings::sort_mwms_oversampling |
Oversampling factor for parallel std::sort (MWMS).
Definition at line 229 of file settings.h.
Referenced by __gnu_parallel::parallel_sort_mwms(), and __gnu_parallel::parallel_sort_mwms_pu().
Such many samples to take to find a good pivot (quicksort).
Definition at line 232 of file settings.h.
Maximal subsequence length to switch to unbalanced base case. Applies to std::sort with dynamically load-balanced quicksort.
Definition at line 236 of file settings.h.
Referenced by __gnu_parallel::qsb_local_sort_with_helping().
unsigned int __gnu_parallel::_Settings::TLB_size |
Size of the Translation Lookaside Buffer (underestimation).
Definition at line 255 of file settings.h.
Referenced by __gnu_parallel::parallel_random_shuffle_drs(), and __gnu_parallel::sequential_random_shuffle().