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Tasks are removed from the queue before a worker starts working
on it, which means that maTasks.size() is not the number of tasks
to do, because the worked on tasks are not included there.
This means the code could spawn only a smaller number of workers
than were needed (and than CPU cores that are available).
Change-Id: Ic6e6a79316cf48d82f2b80be7ad477b723b2c4e5
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/103955
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
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Uwinapi is discontinued.
Change-Id: I063b4d0d8fab2d60de168e960a63b8181158ac01
Reviewed-on: https://gerrit.libreoffice.org/23198
Reviewed-by: David Ostrovsky <david@ostrovsky.org>
Tested-by: David Ostrovsky <david@ostrovsky.org>
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A new static member getPreferredConcurrency added to
comphelper::ThreadPool to return a configurable max
number of threads.
By default the new function returns the hardware_concurrency
value provided by std::thread. When MAX_CONCURRENCY envar is
defined, the return value is limited to whatever is set there.
Three call-sites that used std::thread::hardware_concurrency
have been replaced with getPreferredConcurrency.
Unittests added to cover the functionality of the new member.
Unittests are capped to 4 threads.
Change-Id: I3332e393a88a5ed436316fa712ed920a4b37f4af
Reviewed-on: https://gerrit.libreoffice.org/26254
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
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