Re: About parallelhashlist..

From	"aminer" <aminer@videotron.ca>
Newsgroups	comp.programming.threads, comp.programming
Subject	Re: About parallelhashlist..
Date	2012-05-16 11:55 -0500
Organization	A noiseless patient Spider
Message-ID	<jp0imk$lom$1@dont-email.me> (permalink)
References	<jp0hqh$fog$1@dont-email.me> <jp0i75$ib2$1@dont-email.me>

Cross-posted to 2 groups.

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I wrote:
> Even if i use lock striping for the hash chains in parallelhashlist,
> synchronizing access to the counter reintroduces the scalability
> problems of exclusive locking.

I was speaking about the counter that computes the number of the entries in 
the hashmap



Amine Moulay Ramdane.




"aminer" <aminer@videotron.ca> wrote in message 
news:jp0i75$ib2$1@dont-email.me...
>
> Hello,
>
>
> If you look at parallelhashlist in:
>
> http://pages.videotron.com/aminer/
>
>
> Even if i use lock striping for the hash chains in parallelhashlist,
> synchronizing access to the counter reintroduces the scalability
> problems of exclusive locking. In this case, the counter is called
> a hot field because every mutative operation needs to access it.
> So my next step is to split the global counter to many counters to
> enhance the scalability... also i am using a readewritelock in every 
> chain,
> so my next step also is to lower the number of readwritelocks to consume
> also less memory...
>
>
>
> Thank you.
>
> Amine Moulay Ramdane.
>
>

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About parallelhashlist.. "aminer" <aminer@videotron.ca> - 2012-05-16 11:40 -0500
  Re: About parallelhashlist.. "aminer" <aminer@videotron.ca> - 2012-05-16 11:43 -0500
  Re: About parallelhashlist.. "aminer" <aminer@videotron.ca> - 2012-05-16 11:47 -0500
    Re: About parallelhashlist.. "aminer" <aminer@videotron.ca> - 2012-05-16 11:55 -0500

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