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4 VotesHow to use only one core of a node?
Hi all, If I submit job with job submit /numnodes:2 mpiexec -cores 1 job.exe, will it use one core from each node.Answered | 10 Replies | 9849 Views | Created by parsus - Wednesday, September 10, 2008 10:49 AM | Last reply by pkalyanrao - Monday, June 15, 2009 5:02 PM
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1 Votes
How to use a specific core of a specifc node?
There isn't a way for you to target a specific core, however the scheduler will handle starting up one task (or MPI rank) on each core for you.Answered | 1 Replies | 5882 Views | Created by VenomR - Thursday, June 4, 2009 9:11 PM | Last reply by Josh Barnard - Tuesday, June 9, 2009 5:56 PM -
1 Votes
How to prevent splitting of assigned cores on multiple nodes
The following runs your program on any node with at least 4 cores.Answered | 4 Replies | 6015 Views | Created by BiedImt - Monday, February 8, 2010 5:28 PM | Last reply by BiedImt - Thursday, February 11, 2010 7:46 AM -
1 Votes
Specify cores per node in MPI application and run multiple task on a node
Hello Hirakata-san there error that you get is because you specify -cores 1, this makes mpiexec think that there is only one core on each ...Answered | 4 Replies | 9112 Views | Created by hirakata - Friday, October 31, 2008 3:30 AM | Last reply by Lio - Friday, November 14, 2008 1:57 AM -
4 Votes
What is the difference between these two job resources, core and node?
However, if you job limits the number of cores(say maxcores = 5), your MPI process can only run on the core it is assigned to on a specific ...Answered | 6 Replies | 8908 Views | Created by hd banki - Tuesday, March 27, 2012 10:20 PM | Last reply by Michael_Man - Tuesday, April 3, 2012 12:20 AM -
0 Votes
Node & Core Allocation Priorities for Tasks in the JOB
There are a couple of things you could try though: Submit each task a separate, 1 core job and /orderby the number of available ...Answered | 1 Replies | 6748 Views | Created by PVASNMurthy - Thursday, March 5, 2009 11:08 AM | Last reply by Josh Barnard - Tuesday, March 10, 2009 6:57 PM -
0 Votes
Using one processor from each of multiple nodes on ccp 2003
Hi Skiff, The following is one way to do that in CCP 2003: Assume your nodes are node1, node2: job submit ...Answered | 3 Replies | 7575 Views | Created by skiffzzz - Thursday, October 29, 2009 2:27 AM | Last reply by skiffzzz - Wednesday, December 9, 2009 8:45 AM -
0 Votes
HPC R2: More HPC service instances running on node than there are cores
We are using VMs for our HPC R2 compute nodes.Answered | 3 Replies | 5355 Views | Created by Derek Kivi - Wednesday, January 19, 2011 9:54 PM | Last reply by Lukasz Tomczyk - Thursday, January 20, 2011 9:59 PM -
1 Votes
How to limit node load?
A quick workaround would be to issue a ever running 1 core job per node which simply blocks the core and does not do anything.Answered | 2 Replies | 7366 Views | Created by Ilya_Odin - Saturday, June 6, 2009 6:49 AM | Last reply by Josh Barnard - Tuesday, June 9, 2009 5:57 PM -
2 Votes
HPC - Unreachable node
The first table contains one record per node and core.Answered | 10 Replies | 12229 Views | Created by Marc Coste - Saturday, May 16, 2009 4:39 PM | Last reply by rmag - Monday, May 18, 2009 12:50 PM -
0 Votes
Limiting node load in HPC R2
Do you have a reference for how we can get Windows to report fewer cores per node to HPC?Answered | 6 Replies | 6209 Views | Created by Derek Kivi - Thursday, October 28, 2010 5:43 PM | Last reply by Derek Kivi - Thursday, January 20, 2011 6:15 PM -
1 Votes
HPC Nodes not accepting jobs
You can check command "node listcores" to check all the core status and what job/task are actually occupying the resource.Answered | 1 Replies | 1721 Views | Created by ucla2413 - Monday, July 18, 2016 10:31 PM | Last reply by qiufang shi - Tuesday, July 19, 2016 2:46 AM -
0 Votes
How do I disable WFC on compute nodes using a node template?
In my head node I use network topology number 1.Answered | 3 Replies | 6358 Views | Created by Aveleda - Friday, March 26, 2010 12:23 PM | Last reply by DanAdams - Thursday, May 20, 2010 9:18 AM -
3 Votes
Prevent a task to be split among multiple nodes
I then check that all of the tasks only executed on one node.Answered | 10 Replies | 6026 Views | Created by CadErikWork - Wednesday, September 26, 2012 3:14 PM | Last reply by TimJRoberts1 - Friday, September 26, 2014 12:06 PM -
0 Votes
Wrong nomber of core on a computenode
Hello there Sounds like you have Logical Processors (AKA Hyperthreading) enabled in the BIOS on that node.Answered | 2 Replies | 5255 Views | Created by jfsardon - Tuesday, February 23, 2010 4:41 PM | Last reply by jfsardon - Tuesday, February 23, 2010 8:18 PM -
0 Votes
deleting a node in a stackpanel (one element)
Unfortunately there is not a current forum to post the question you are asking so I would recommend that you post you question to one of ...Answered | 1 Replies | 8620 Views | Created by Tarek1989 - Monday, September 8, 2008 1:17 PM | Last reply by SachinW - Tuesday, November 11, 2008 9:13 AM -
0 Votes
Uneven distribution of cores
When you say "the headnode for a particular job" do you mean the node running MPI Rank 0?Answered | 1 Replies | 5695 Views | Created by Toon01 - Sunday, January 11, 2009 11:01 PM | Last reply by Josh Barnard - Wednesday, January 14, 2009 9:13 PM -
0 Votes
MPI and head node
Suggest you use a combination of these MPI functions: MPI_Get_processor_name, MPI_Comm_rank, MPI_Bcast Have each rank execute MPI_Get_processor_name() which ...Answered | 3 Replies | 7487 Views | Created by Wei Xu - Tuesday, May 13, 2008 8:37 AM | Last reply by elantz - Tuesday, June 24, 2008 1:14 AM -
0 Votes
HPC Pack: Determining Cores to be allocated in Activation Filter
Hello, ask here:Answered | 2 Replies | 1316 Views | Created by MichaelEnders - Tuesday, January 15, 2019 7:16 PM | Last reply by Guido Franzke - Thursday, January 17, 2019 7:00 AM -
0 Votes
Restricting number of jobs of one type that can be run on a node while allowing others
There is only one scheduling queue, so the only ways to prevent two already-queued JobA's from being scheduled on the same node ...Answered | 3 Replies | 5394 Views | Created by prashs - Tuesday, December 8, 2009 5:29 PM | Last reply by pgarvan - Wednesday, December 9, 2009 12:38 AM - Items 1 to 20 of 335072 Next ›
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