[Beowulf] Torque user quotas

2009-07-01 Thread Tiago Marques
Hi all, Beeing somewhat of a noob in Beowulf type clusters, I must ask, what do you use to manage user quotas for job queueing with Torque and Maiu? Gold Allocation Manager? Or does SGE do something like this? I've been browsing the web but couldn't find much. Our current cluster uses just

Re: [Beowulf] Parallel Programming Question

2009-07-01 Thread Gus Correa
Hi Bogdan, list Bogdan Costescu wrote: On Tue, 30 Jun 2009, Gus Correa wrote: My answers were given in the context of Amjad's original questions Sorry, I missed somehow the context for the questions. Still, the thoughts about I/O programming are general in nature, so they would apply in an

Re: [Beowulf] Parallel Programming Question

2009-07-01 Thread Gus Correa
Hi Amjad, list amjad ali wrote: Hi, Gus--thank you. You are right. I mainly have to run programs on a small cluster (GiGE) dedicated for my job only; and sometimes I might get some opportunity to run my code on a shared cluster with hundreds of nodes. Thanks for telling. My guess was not v

Re: [Beowulf] Parallel Programming Question

2009-07-01 Thread David N. Lombard
On Wed, Jul 01, 2009 at 09:10:20AM -0700, Ashley Pittman wrote: > On Fri, 2009-06-26 at 23:30 -0700, Bill Broadley wrote: > > Keep in mind that when you say broadcast that many (not all) MPI > > implementations do not do a true network layer broadcast... and that > > in most > > situations network

Re: [Beowulf] Parallel Programming Question

2009-07-01 Thread Ashley Pittman
On Fri, 2009-06-26 at 23:30 -0700, Bill Broadley wrote: > Keep in mind that when you say broadcast that many (not all) MPI > implementations do not do a true network layer broadcast... and that > in most > situations network uplinks are distinct from the downlinks (except for > the > ACKs). > > If

Re: [Beowulf] Parallel Programming Question

2009-07-01 Thread Bogdan Costescu
On Tue, 30 Jun 2009, Gus Correa wrote: My answers were given in the context of Amjad's original questions Sorry, I missed somehow the context for the questions. Still, the thoughts about I/O programming are general in nature, so they would apply in any case. Hence, he may want to follow th