Re: Help in DSM design

From: Richard Gooch (rgooch@atnf.csiro.au)
Date: Sun Mar 05 2000 - 17:41:17 EST


Jamie Lokier writes:
> Richard Gooch wrote:
> > No. My point is that while *some* people will be aware that their
> > threaded programme run on DSM will have to be re-coded to avoid lots
> > of lock movement, *most* authors of threaded programmes will be
> > unaware of this. DSM discourages people from thinking.
>
> No of course it doesn't. First they try it. The lucky few find it is
> adequate and they are happy. The rest find that their new $100,000
> cluster really sucks with DSM and have to spend the next 6 months
> recoding the application to use message passing.
>
> They are forced to think, because they just spent $100,000 and it had
> better have been worth the money :-)

Ha! I wish. Even in an environment where there is continuous budget
pressure, I've still seen expensive white elephants purchassed. Bah.

                                Regards,

                                        Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Tue Mar 07 2000 - 21:00:18 EST