Re: Parallel Kit Question: ParallelDot is much more slow than Dot
- To: mathgroup at smc.vnet.net
- Subject: [mg40485] Re: Parallel Kit Question: ParallelDot is much more slow than Dot
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Mon, 7 Apr 2003 04:56:39 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <b6gn64$ckk$1@smc.vnet.net> <b6j8ev$5vc$1@smc.vnet.net> <b6lvsc$eeo$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, I have not sayed to stop parallel computing, I have sayed that one needs a task that take longer on a processor than the transfer time for the data is ... Regards Jens "Gareth J. Russell" wrote: > > True, but in case you put people off ever using a parallel set-up, let > me point out where it is useful and easy: simulations and related > programming. If I want to run the same simulation 1000 times, returning > 1000 values, and that takes an hour, I can distribute the task to ten > machines that do 100 each, and that will take just a little over 6 > minutes. And all by putting the function that represents the simulation > into ParallelTable. > > Gareth Russell > Columbia University