[erlang-questions] one run-queue per scheduler??

Venu Middela <>
Fri Dec 21 18:51:17 CET 2012


Thanks Robert and Harsha.

Venu

> Date: Fri, 21 Dec 2012 10:15:24 +0000
> From: 
> To: 
> CC: ; 
> Subject: Re: [erlang-questions] one run-queue per scheduler??
> 
> Just to be more explicit: all versions from R13 and onwards have scheduler specific run-queues and no common run-queue. This was an important factor in making the BEAM scale better over many cores/schedulers. There is some global work done in trying to keep a reasonable balance of work between the schedulers.
> 
> Robert
> 
> ----- Original Message -----
> > From: "Harsh J" <>
> > To: "Venu Middela" <>
> > Cc: 
> > Sent: Friday, 21 December, 2012 5:10:48 AM
> > Subject: Re: [erlang-questions] one run-queue per scheduler??
> > 
> > Yes the R15B with SMP support now uses multiple, scheduler specific
> > run queues, instead of one globally shared run queue. This is
> > highlighted at
> > http://www.erlang.org/documentation/doc-5.7.4/doc/highlights.html
> > 
> > On Fri, Dec 21, 2012 at 12:29 AM, Venu Middela <>
> > wrote:
> > > Hi,
> > >
> > > Does the  Version OTP-R15B* or any other versions implement one
> > > run-queue
> > > per scheduler?
> > >
> > >  Please refer to section 5.2 of this Technical Paper.
> > >
> > > http://www.erlang.se/euc/08/euc_smp.pdf
> > >
> > > I'm  interested to know if this has been implemented in any of the
> > > versions?
> > >
> > >
> > > Thanks,
> > > Venu
> > >
> > > _______________________________________________
> > > erlang-questions mailing list
> > > 
> > > http://erlang.org/mailman/listinfo/erlang-questions
> > >
> > 
> > 
> > 
> > --
> > Harsh J
> > http://harshj.com
> > _______________________________________________
> > erlang-questions mailing list
> > 
> > http://erlang.org/mailman/listinfo/erlang-questions
> > 
 		 	   		  
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