Boost C++ Libraries: Ticket #5173: boost::this_thread::get_id is very slow

attachment set

anonymous — Mon, 07 Mar 2011 17:50:19 GMT

attachment → thread_ext.patch

proposed patch to speedup access

anonymous — Mon, 07 Mar 2011 17:54:41 GMT

please find attached a proposed solution to the speedup the access to boost::this_thread::get_id, currently injected as inline code, but may of course reside in an object file shared to platform independent code. the solution for boost::main_thread does only work, if the dll is not load delayed at runtime, because then the assumption for the recurring static intialization in the singleton from boost::pool fails (before main) and threading and also the wron id becomes and issue. perhaps a more transparent solution, choosing the thread with the lowest (highets id ?) woudl serve better ?

component changed

viboes — Wed, 11 May 2011 06:16:42 GMT

component threads → thread

owner, status changed

viboes — Thu, 05 Jan 2012 05:48:06 GMT

owner changed from Anthony Williams to viboes
status new → assigned

viboes — Sat, 07 Apr 2012 15:18:38 GMT

Hi,

I have refactored the code so that thread::id contains just a pthread_t or a windows handle. I guess this will give the performances you expect. I have no tested yet the code on windows.

To be able to use it you will need to define BOOST_THREAD_PROVIDES_BASIC_THREAD_ID.

See attached patch 5173_pthread.patch

Please, let me know what do you think?

attachment set

viboes — Sat, 07 Apr 2012 15:45:39 GMT

attachment → 5173_pthread.patch

patch tested in pthread platform

milestone changed

viboes — Sun, 08 Apr 2012 22:08:40 GMT

milestone To Be Determined → Boost 1.50.0

Committed in trunk r77838

status changed; resolution set

viboes — Mon, 28 May 2012 15:34:17 GMT

status assigned → closed
resolution → fixed

Committed in release branch at [78543]