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Improvements for transpose, and more. #1624

Merged
merged 6 commits into from
Aug 30, 2023
Merged

Improvements for transpose, and more. #1624

merged 6 commits into from
Aug 30, 2023

Commits on Aug 29, 2023

  1. optimize Transpose() Operation by forcing use of our multi-threaded s… 

    …olution instead of Eigen::'s.

Added a commandline switch to enable Eigen::Transpose in case this would prove faster on some architectures or after Eigen:: made progresses.
Insured (sort of) that in multithreaded mode, TPOOL_MIN_ELTS is also more or less the number of elements that each thread will process, so that GDL
may use less threads than the machine can provide (some GDL running machines have 64 or more cores). 
Obviously it is not worth starting 128 threads if 10 would already do the job in time.
    @GillesDuvert
    GillesDuvert committed Aug 29, 2023
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  2. differentiate code for TP_CPU_INTENSIVE

    @GillesDuvert
    GillesDuvert committed Aug 29, 2023
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  3. added switch "--smart-tpool" that enable a mode where the number of t… 

    …hreads used insure each thread will process more or less TPOOL_MIN_ELTS, not a diminutve number given the number of available threads, that can be large, 128 or more.
    @GillesDuvert
    GillesDuvert committed Aug 29, 2023
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  4. added switch "--smart-tpool" that enable a mode where the number of t… 

    …hreads used insure each thread will process more or less TPOOL_MIN_ELTS, not a diminutve number given the number of available threads, that can be large, 128 or more.
    @GillesDuvert
    GillesDuvert committed Aug 29, 2023
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  5. modified some flags of parallelize() to force (in the 'smart tpoll' m… 

    …ode) use of the max available number of threads, or other variant.
    @GillesDuvert
    GillesDuvert committed Aug 29, 2023
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  6. uint unknown on Windows, bah.

    @GillesDuvert
    GillesDuvert committed Aug 29, 2023
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