On Fri, May 20, 2011 at 02:26:31PM -0400, Mark Hahn forwarded a message:
> When I run 2 identical examples of the same batch job simultaneously,
> execution time of *each* job is
> LOWER than for single job run !
I'd try locking these sequential jobs to a single core, you can get
quite weird eff
On Fri, May 20, 2011 at 08:52:43AM -0700, Lux, Jim (337C) wrote:
> As hardware gets smaller and faster and lower power, the "cost" to provide
> extra computational resources to implement a strategy like this gets
> smaller, relative to the ever increasing human labor cost to try and make
> it perf
From: Mikhail Kuzminsky
Subject: [Beowulf] Execution time measurements - clarification
Dear Mark, could you pls forward my message to beowulf@beowulf.org (because my
messages as before can't be delivered to maillist) ? It's clarification of my
previous question here.
Mikhail
--
On 5/20/11 9:35 AM, "Douglas Eadline" wrote:
>Joe
>
>While this is somewhat anecdotal, it may be helpful.
>
>Not a large-ish cluster, but as you may guess, I wondered
>about this for Limulus
>(http://limulus.basement-supercomputing.com)
>
>I wrote a script (will post it if anyone interested)
>t
Joe
While this is somewhat anecdotal, it may be helpful.
Not a large-ish cluster, but as you may guess, I wondered
about this for Limulus
(http://limulus.basement-supercomputing.com)
I wrote a script (will post it if anyone interested)
that runs memtester until you stop it or it finds
a error. I
On 5/20/11 8:35 AM, "Tony Travis" wrote:
>On 20/05/11 05:35, Joe Landman wrote:
>> Hi folks
>>
>> Does anyone run a large-ish cluster without ECC ram? Or with ECC
>> turned off at the motherboard level? I am curious if there are numbers
>> of these, and what issues people encounter. I ha
On 20/05/11 05:35, Joe Landman wrote:
> Hi folks
>
> Does anyone run a large-ish cluster without ECC ram? Or with ECC
> turned off at the motherboard level? I am curious if there are numbers
> of these, and what issues people encounter. I have some of my own data
> from smaller collections o
On 20/05/11 06:45, Greg Lindahl wrote:
> On Fri, May 20, 2011 at 12:35:25AM -0400, Joe Landman wrote:
>
>>Does anyone run a large-ish cluster without ECC ram? Or with ECC
>> turned off at the motherboard level? I am curious if there are numbers
>> of these, and what issues people encounter
