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Subject: Re: Deep Crafty

Author: Vincent Diepeveen

Date: 10:02:00 10/30/01

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On October 30, 2001 at 03:24:07, Dan Andersson wrote:

>A substantial discussion mentioning APHID was held a while ago. My two cents
>where that there are newer and better work division algorithms available now.
>APHID works, no doubt. But it represents an old centralised view of parallel
>work control.
>
>MvH Dan Andersson

Regrettably you failed to show an algorithm that could get a decent
speedup over a cluster!

Just saying: "it's possible" is not very smart.

I say: for DIEP it's real tough to do it as i either need major bandwidth
or a very small latency.

So speedups at n nodes where n is a big number, is not going to impress
when compared to a 16 processor shared memory machine, for example.

I see no way how to get a decent speedup at a cluster without slowing
down the program first a huge number of times (because of hashtable
latency).

Best regards,
Vincent



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