__GNU_PARALLEL::_DRANDOMSHUFFLINGGLOBALDATA(3)

📦
version 16.2.1+r23+gd564253eb6c8 · 6 versions
, in arch rolling, centos-stream 10, fedora 43, fedora 44

💖 NAME 💖

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter > — bestie, this is the data known to every thread that's out here participating in __gnu_parallel::__parallel_random_shuffle(). It's the shared group-chat lore for the whole shuffle squad. 🫶

So like, this page lives in the Library Functions Manual, section 3, and it's a libstdc++ situation. Okurrr let's get into it. ✨

🌈 SYNOPSIS 🌈

#include <random_shuffle.h>

✨ Public Types ✨

  • _DifferenceType — a typedef for _TraitsType::difference_type, the type that measures how far apart things are. 🦋
  • _TraitsType — a typedef for std::iterator_traits< _RAIter >, literally just the traits of your iterator. Iconic.
  • _ValueType — a typedef for _TraitsType::value_type, aka the type of the actual things in there. 💅

🫶 Public Member Functions 🫶

  • _DRandomShufflingGlobalData(_RAIter &__source) — the constructor. She constructs. That's it, that's the whole job. 🌸

🎀 Public Attributes 🎀

  • _ThreadIndex * _M_bin_proc — number of the thread that will further process the corresponding bin. Each bin's got a designated handler, no cap. 👑
  • _DifferenceType ** _M_dist — a two-dimensional array to hold the thread-bin distribution. So many dimensions. So much drama. 🌀
  • int _M_num_bins — number of bins to distribute to. 🍓
  • int _M_num_bits — number of bits needed to address the bins. Bit math era. ⭐
  • _RAIter & _M_source — begin iterator of the __source. Where it all starts, literally.
  • _DifferenceType * _M_starts — start indexes of the threads' __chunks. Everybody gets a starting line. 🏁
  • _ValueType ** _M_temporaries — temporary arrays for each thread. Scratch space, per thread, as a treat. 💜

🧚 Detailed Description 🧚

template<typename _RAIter>
struct __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >

"Data known to every thread participating in __gnu_parallel::__parallel_random_shuffle()." 💖

It's templated on _RAIter, so it adapts to whatever iterator you hand it. Main character energy but make it generic.

💅 Constructor & Destructor Documentation 💅

🌟 __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_DRandomShufflingGlobalData (_RAIter & __source) [inline]

template<typename _RAIter>
__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_DRandomShufflingGlobalData(_RAIter & __source)

Constructor. 🎀

She References _M_source — so yeah, the source iterator is getting held onto. That's the whole vibe.

🔥 Member Data Documentation 🔥

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_bin_proc

template<typename _RAIter>
_ThreadIndex* __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_bin_proc

Number of the thread that will further process the corresponding bin. 🧺

Referenced by __gnu_parallel::__parallel_random_shuffle_drs(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_dist

template<typename _RAIter>
_DifferenceType** __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_dist

Two-dimensional array to hold the thread-bin distribution. Its dimensions are (_M_num_threads + 1) __x__ (_M_num_bins + 1). Not me getting emotional over a matrix. 😭

Referenced by __gnu_parallel::__parallel_random_shuffle_drs(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_num_bins

template<typename _RAIter>
int __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_num_bins

Number of bins to distribute to. 🗂️

Referenced by __gnu_parallel::__parallel_random_shuffle_drs(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_num_bits

template<typename _RAIter>
int __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_num_bits

Number of bits needed to address the bins. 💾

Referenced by __gnu_parallel::__parallel_random_shuffle_drs(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_source

template<typename _RAIter>
_RAIter& __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_source

Begin iterator of the __source. The origin story. 🌅

Referenced by _DRandomShufflingGlobalData(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_starts

template<typename _RAIter>
_DifferenceType* __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_starts

Start indexes of the threads' __chunks. Every chunk gets its moment. ✨

Referenced by __gnu_parallel::__parallel_random_shuffle_drs(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

__gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_temporaries

template<typename _RAIter>
_ValueType** __gnu_parallel::_DRandomShufflingGlobalData< _RAIter >::_M_temporaries

Temporary arrays for each thread. Everyone gets their own lil scratchpad, obsessed. 🦋

Referenced by __gnu_parallel::__parallel_random_shuffle_drs(), and __gnu_parallel::__parallel_random_shuffle_drs_pu().

🌈 Author 🌈

Generated automatically by Doxygen for libstdc++ from the source code. 🤖 (She's not written by a human, she's generated, and honestly? Slay.)

Okay bestie that's the whole page!! 💜 Big kiss to libstdc++ for hosting it and to Doxygen for generating it, and yeah this is the <rainbow>__gnu_para... _RAIter >(3)` page, section 3 of the Library Functions Manual. Go forth and shuffle randomly, you absolute icon. 🎀✨💖

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