[Beowulf] Re: Why Do Clusters Suck?
landman at scalableinformatics.com
Tue Mar 22 17:22:14 EST 2005
Craig Tierney wrote:
> On Tue, 2005-03-22 at 12:42, David Mathog wrote:
>>On Mon, 21 Mar 2005 Douglas Eadline wrote:
>>>So why do clusters suck?
>>Would that they did suck - it would make cooling them a lot
>>easier. Unfortunately while most of them blow pretty well their
Sometimes they neither suck nor blow, as their fans are clogged, and
they basically overheat. But that is another thread.
> Our biggest problem is the immaturity of development
> tools. Another way to put that is "my compiler doesn't reproduce
> the bugs in the other compilers my users are accustom to using"
> or "Fortran isn't a standard, it is a suggestion". It is a rare creature
> that writes clean, portable code. It is all too common to hear
> developers tell me things like "does it work if you turn off bounds
> checking?". I spend way too much time with new users trying to explain
> to them the difference between 'code porting' and 'bug fixing'.
me: "how do you know it works"
them:"it compiles with no errors"
me: "no... how do you know it works, functions correctly?"
them:(puzzled look) "it compiles with no errors ..."
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web : http://www.scalableinformatics.com
phone: +1 734 786 8423
fax : +1 734 786 8452
cell : +1 734 612 4615
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