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1 Votes
Specify cores per node in MPI application and run multiple task on a node
Before testing at the large cluster (8 Cores x 32 nodes WHPCS2008 RTM), I confirmed on the small test cluster (2 Cores x 8 nodes, WHPCS2008 ...Answered | 4 Replies | 9084 Views | Created by hirakata - Friday, October 31, 2008 3:30 AM | Last reply by Lio - Friday, November 14, 2008 1:57 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 | 6704 Views | Created by PVASNMurthy - Thursday, March 5, 2009 11:08 AM | Last reply by Josh Barnard - Tuesday, March 10, 2009 6:57 PM -
4 Votes
How to use only one core of a node?
If you really want this, the best way is to create 1 job with a single task, where that task is an mpiexec command that starts two separate applications.Answered | 10 Replies | 9792 Views | Created by parsus - Wednesday, September 10, 2008 10:49 AM | Last reply by pkalyanrao - Monday, June 15, 2009 5:02 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 | 7441 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
MPI, C# and Executing Tasks
Anyway, do you know of a way to spawn MPI tasks from within code rather than calling mpirun on the console etc.Answered | 6 Replies | 11785 Views | Created by manyu_aditya - Tuesday, November 20, 2007 12:11 AM | Last reply by bigger kahuna - Saturday, January 19, 2008 11:50 PM -
4 Votes
What is the difference between these two job resources, core and node?
Actually I don't want to run 8 processes on 8 core machine and also use multi threading.Answered | 6 Replies | 8874 Views | Created by hd banki - Tuesday, March 27, 2012 10:20 PM | Last reply by Michael_Man - Tuesday, April 3, 2012 12:20 AM -
1 Votes
Multi-core tasks that will run on a single node (not MPI)
If a job has 3 compute nodes in the 'requested nodes' list and a single task requests 2-4 cores, the allocated resources can be spread out across all ...Unanswered | 8 Replies | 7971 Views | Created by Mithlan - Wednesday, May 11, 2011 5:46 PM | Last reply by WesHinsley - Tuesday, July 24, 2012 3:07 PM -
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 | 5867 Views | Created by VenomR - Thursday, June 4, 2009 9:11 PM | Last reply by Josh Barnard - Tuesday, June 9, 2009 5:56 PM -
0 Votes
MS-MPI Connection Errors
Also, the same issue occurred in a different mode of the program, where the first MPI communication calls were mpi_isend instead of mpi_alltoallv.Answered | 2 Replies | 8670 Views | Created by dhr46 - Monday, June 16, 2008 6:13 PM | Last reply by dhr46 - Tuesday, June 17, 2008 8:41 PM -
0 Votes
Running an MPI job using the HPC scheduler in several hosts
The right command line was (for a 2 node cluster): job submit /scheduler:my_head_node /jobtemplate:my_job_template /jobname:TransformationEngine-MPI ...Answered | 1 Replies | 7118 Views | Created by Alberto Cuesta Canada - Friday, September 7, 2012 6:54 AM | Last reply by Alberto Cuesta Canada - Monday, September 10, 2012 4:52 AM -
0 Votes
MS-MPI and cmd Windows server 2008
;) Run your job like this: job submit /numnodes:2 mpiexec Greetings.exe to run the MPI ...Answered | 1 Replies | 17200 Views | Created by Hesham Adel - Friday, September 12, 2008 8:38 PM | Last reply by elantz - Tuesday, September 16, 2008 3:16 PM -
0 Votes
MS-MPI on Windows XP Professional?
Moshe, The HPC Server 2008 SDK, installed on a single WindowXP (32-bit and 64-bit) machine, enabled the developer to run MS-MPI jobs with an arbitrary ...Answered | 1 Replies | 8406 Views | Created by Moshe Ha - Sunday, September 28, 2008 7:48 AM | Last reply by elantz - Wednesday, October 1, 2008 8:40 PM -
0 Votes
avoid even distribution of jobs among nodes
But this would even affect MPI-based parallel jobs if they are being started using the default template.Answered | 1 Replies | 5078 Views | Created by Peter_We - Monday, April 19, 2010 9:55 PM | Last reply by MWirtz - Thursday, April 22, 2010 12:49 PM -
0 Votes
MPI problem
Hi Jong, The MPICH_ND_ZCOPY_THRESHOLD parameter controls when the Network Direct communication channel in MS-MPI switches from copying user data into pre-registered buffers ...Answered | 3 Replies | 8331 Views | Created by yyalli - Friday, November 6, 2009 6:10 AM | Last reply by Fab Tillier [MS] - Sunday, January 17, 2010 4:30 PM -
0 Votes
MPI on IPoIB errors
My suggestion is, that you try to run it from console on the developer machine.Answered | 1 Replies | 8805 Views | Created by Walle - Friday, November 16, 2007 2:22 PM | Last reply by Johannes_de - Wednesday, November 21, 2007 10:42 AM -
3 Votes
Prevent a task to be split among multiple nodes
This always fails with "Should have only run on 1 core but ran on 2 cores (MyNodeA,MyNodeB)" One of the tasks gets split across 2 ...Answered | 10 Replies | 5985 Views | Created by CadErikWork - Wednesday, September 26, 2012 3:14 PM | Last reply by TimJRoberts1 - Friday, September 26, 2014 12:06 PM -
0 Votes
Can MPI Do This?
It is called "submitting jobs with task dependencies".Answered | 1 Replies | 4994 Views | Created by macaomk - Tuesday, October 2, 2012 4:08 PM | Last reply by conrarn - Tuesday, October 2, 2012 8:47 PM -
0 Votes
Switching single CPU to multi-cpu
Dear Experts, I am the super beginner of MPI programming.Answered | 1 Replies | 6072 Views | Created by blablabla81 - Wednesday, July 28, 2010 2:19 PM | Last reply by James Ren - Wednesday, August 4, 2010 9:10 PM -
0 Votes
Exponential time of queueing tasks of a single job - is it a bug?
I was testing it all on a dual-core virtual machine with 4GB RAM, and had 2 worker nodes (which I think is not significant because except the master task no other ...Answered | 4 Replies | 5264 Views | Created by rag3ous - Monday, June 21, 2010 7:22 AM | Last reply by Lukasz Tomczyk - Monday, June 28, 2010 10:51 PM -
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 | 5671 Views | Created by Toon01 - Sunday, January 11, 2009 11:01 PM | Last reply by Josh Barnard - Wednesday, January 14, 2009 9:13 PM - Items 1 to 20 of 136612 Next ›
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