Author: Keith Evans
Date: 17:44:55 06/21/02
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On June 21, 2002 at 20:15:43, Dann Corbit wrote: >On June 21, 2002 at 18:48:53, Keith Evans wrote: >[snip] >>Just a quick note - when I looked into Cilk a little while back it looked like >>they were more into SMP systems now (probably because they were more available >>to them and performed better) and weren't supporting AMP in their latest >>releases. I thought that Cilk was pretty slick though, and even ran a few >>programs on an SMP box running Linux. Unfortunately as far as I know they don't >>make the source to their chess program available. If I'm wrong about any of >>this, then please post details. > >From: >http://supertech.lcs.mit.edu/cilk/index.html > >We find this: >"1999 World Computer Chess Championship >Cilkchess competed in the 1999 World Computer Chess Championship, June 14-20, >1999 in Paderborn, Germany. Cilkchess was written in Cilk-5, and ran on a >256-processor SGI Origin 2000 at NASA Ames." > > >From: >http://supertech.lcs.mit.edu/cilk/FAQ/section1.html#whatiscilk > >We find this: >"Question 1.1. What is Cilk? >Cilk is a language for multithreaded parallel programming based on ANSI C. Cilk >is designed for general-purpose parallel programming, but it is especially >effective for exploiting dynamic, highly asynchronous parallelism, which can be >difficult to write in data-parallel or message-passing style. Cilk has been >developed since 1994 by the Supercomputing Technologies Group at the MIT >Laboratory for Computer Science. Cilk has been used for research, teaching, and >for coding applications such as a virus shell assembly simulator and three chess >programs." But how about? "The 256-processor SGI Origin 2000 is based on breakthrough ccNUMA (cache-coherent non-uniform memory access) architecture" "Question 1.6. Does Cilk run on networks of workstations? Cilk-5.3 does not run on distributed-memory machines" This sounds a lot different (and more expensive) than clustering to me. Maybe I made a terminolgy error with AMP? Isn't ccNUMA basically a form of SMP? -Keith
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