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Re: Why OCaml sucks
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| Date: | -- (:) |
| From: | Jon Harrop <jon@f...> |
| Subject: | Re: [Caml-list] Re: Why OCaml rocks |
On Tuesday 13 May 2008 01:42:42 Gerd Stolpmann wrote: > Am Montag, den 12.05.2008, 14:22 +0100 schrieb Richard Jones: > > This is just barely faster than Jon's OCaml version using message > > passing (12% faster on my test machine[0]). Which just seems to show > > that the overhead of message passing _isn't_ the problem here[1]. > > I've just written my own distributed version. You find my comments and > timings here: > > http://blog.camlcity.org/blog/parallelmm.html > > The code is here: > > https://godirepo.camlcity.org/svn/lib-ocamlnet2/trunk/code/examples/rpc/mat >rixmult/ > > In this (very unoptimized) multiplier message passing accounts for ~25% > of the runtime. Even for 2 cores there is already a speedup. 10 cores > (over a network) are about 4 times faster than a single core without > message passing. For what values of "n"? -- Dr Jon D Harrop, Flying Frog Consultancy Ltd. http://www.ffconsultancy.com/products/?e