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Re: Thoughts about alternative approach to multithreading [message #22326 is a reply to message #22314]

Fri, 03 July 2009 18:49

mirek is currently offline

mirek
Messages: 14265
Registered: November 2005

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Mindtraveller wrote on Fri, 03 July 2009 04:23

luzr wrote on Tue, 30 June 2009 00:15

Well, I have some experiences now (did project based on queues, now planning to rewrite it to plain old locking) and I have something to say about the topic (IMO!):

Synchronization objects are simple to manage as compared to often complex race condition relations in queued systems.

What do mean exactly, could you please give a pair of examples why you switched back from queueing model? This is very important topic IMO.

I personally found them very comfortable and stable comparing to a tonns of mutexes.

I would like to, but right now I seem to be unable to describe it right. The problem was that it was user driven application and there are problems basically with "queue lag".

Maybe that the heart of problem is (was) the fact that it worked in "post" mode (not "execute") - messages (callbacks) being posted and not waiting for completition. Too often I ended with wrong events in the queue...

BTW, without posting, your method is equivalent to one mutex per instance and locking for any method call...

Mirek

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[Message index]

		Thoughts about alternative approach to multithreading By: Mindtraveller on Tue, 14 October 2008 01:10
		Re: Thoughts about alternative approach to multithreading By: mr_ped on Tue, 14 October 2008 08:27
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 15 October 2008 10:53
		Re: Thoughts about alternative approach to multithreading By: mirek on Wed, 15 October 2008 11:59
		Re: Thoughts about alternative approach to multithreading By: zsolt on Wed, 15 October 2008 21:49
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 15 October 2008 22:53
		Re: Thoughts about alternative approach to multithreading By: zsolt on Thu, 16 October 2008 11:38
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Thu, 16 October 2008 13:48
		Re: Thoughts about alternative approach to multithreading By: mirek on Thu, 16 October 2008 15:04
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Fri, 14 November 2008 10:09
		Re: Thoughts about alternative approach to multithreading By: mirek on Fri, 14 November 2008 10:15
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Mon, 17 November 2008 16:41
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Tue, 18 November 2008 00:53
		Re: Thoughts about alternative approach to multithreading By: mirek on Tue, 18 November 2008 20:05
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 19 November 2008 01:45
		Re: Thoughts about alternative approach to multithreading By: mirek on Wed, 19 November 2008 10:39
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Wed, 19 November 2008 13:20
		Re: Thoughts about alternative approach to multithreading By: mirek on Wed, 19 November 2008 19:38
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Thu, 20 November 2008 10:19
		Re: Thoughts about alternative approach to multithreading By: mirek on Thu, 20 November 2008 10:42
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Tue, 27 January 2009 00:06
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Fri, 03 July 2009 10:23
		Re: Thoughts about alternative approach to multithreading By: mirek on Fri, 03 July 2009 18:49
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Sun, 05 July 2009 21:43
		Re: Thoughts about alternative approach to multithreading By: mirek on Sun, 05 July 2009 22:08
		Re: Thoughts about alternative approach to multithreading By: Mindtraveller on Sat, 11 July 2009 16:06
		Re: Thoughts about alternative approach to multithreading By: mirek on Sun, 12 July 2009 08:37
		Re: Thoughts about alternative approach to multithreading By: mirek on Sun, 05 July 2009 22:10
		Re: Thoughts about alternative approach to multithreading By: mr_ped on Tue, 18 November 2008 09:05

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