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Re: Simple class to handle variables used by different threads [message #45060 is a reply to message #45059]

Wed, 26 August 2015 05:01

sergeynikitin
Messages: 748
Registered: January 2008
Location: Moscow, Russia

Contributor

For me:
1) I decide, that common variables of all threads, I place to ThreadStore (analog of your ThreadSafe).
2) Most of variables not needed to place to ThreadStore class and it's locals for thread.
3) I plan and program custom processing for every member-variable of ThreadStore class.

Note (1), that most of Container type (Vectors, Arrays, Indexes) are not thread-safe!!!

Note (2), that Write/Read barrier is needed same way as mutexes/semafors for synchronisation data access. (Mutex/semafors - prevent inter-thread collision, Write/Read barriers - prevent inter-processor-cores collisions)

Your class uses only Write/Read barriers.
If you place under mutex of all ThreadSafe class and all it's member, then performance is become loss. Custom variable processing more fast and safe way.

----
PS
If I'm mistaken - pls correct.

SergeyNikitin<U++>( linux, wine )
{
under( Ubuntu || Debian || Raspbian );
}

[Updated on: Wed, 26 August 2015 05:42]

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[Message index]

		Simple class to handle variables used by different threads By: koldo on Fri, 21 August 2015 13:41
		Re: Simple class to handle variables used by different threads By: Klugier on Sat, 22 August 2015 14:00
		Re: Simple class to handle variables used by different threads By: koldo on Sat, 22 August 2015 16:08
		Re: Simple class to handle variables used by different threads By: mirek on Sun, 23 August 2015 20:34
		Re: Simple class to handle variables used by different threads By: koldo on Mon, 24 August 2015 09:05
		Re: Simple class to handle variables used by different threads By: mirek on Mon, 24 August 2015 11:34
		Re: Simple class to handle variables used by different threads By: koldo on Mon, 24 August 2015 15:05
		Re: Simple class to handle variables used by different threads By: Mindtraveller on Mon, 24 August 2015 19:08
		Re: Simple class to handle variables used by different threads By: mirek on Mon, 24 August 2015 19:13
		Re: Simple class to handle variables used by different threads By: koldo on Tue, 25 August 2015 00:13
		Re: Simple class to handle variables used by different threads By: sergeynikitin on Tue, 25 August 2015 00:28
		Re: Simple class to handle variables used by different threads By: mirek on Tue, 25 August 2015 15:44
		Re: Simple class to handle variables used by different threads By: koldo on Tue, 25 August 2015 17:04
		Re: Simple class to handle variables used by different threads By: sergeynikitin on Tue, 25 August 2015 19:27
		Re: Simple class to handle variables used by different threads By: koldo on Tue, 25 August 2015 22:45
		Re: Simple class to handle variables used by different threads By: sergeynikitin on Wed, 26 August 2015 05:01
		Re: Simple class to handle variables used by different threads By: koldo on Wed, 26 August 2015 07:24
		Re: Simple class to handle variables used by different threads By: sergeynikitin on Thu, 27 August 2015 01:37

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