UCVM on Compute Nodes - Revision history

Maechlin at 18:24, 26 April 2021

2021-04-26T18:24:11Z

2021-04-26T04:21:14Z

Method 2 - Submit job through queue using slurm batch script

2021-04-26T04:19:46Z

Method 2 - Submit job through queue using slurm batch script

2021-04-26T04:19:10Z

Method 2 - Submit job through queue using slurm batch script

2021-04-26T04:06:30Z

Method 2 - Submit job through queue using slurm batch script

2021-04-26T04:04:01Z

2021-04-26T03:51:57Z

Running on dedicated compute nodes

2021-04-26T03:51:05Z

Running on dedicated compute nodes

2021-04-26T03:50:24Z

Running on dedicated compute nodes

2021-04-26T03:45:39Z

Related Entries

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 == Method 1 - Allocation Interactive Compute Nodes ==
 Information To Prepare:
-* scalloc - command that will reserve a dedicated compute node for your program.
+* salloc - command that will reserve a dedicated compute node for your program.
 ** Using dedicated worker nodes should let your program run faster than shared headnode
 * Number of tasks - typically 1 unless running MPI codes
@@ Line 19: / Line 19: @@
 ** CARC offers "no-cost" allocations to University researchers that request them
 ** Allocation will also include dedicated disk storage on CARC /project filesystem (e.g. /project/maechlin_162 /project/scec_608)
 Example command for running program on discovery:

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 * Expected max duration of program : Format HH:MM:SS
 * Allocation to charge for computing time
-* Create slurm "job" file
+* Post this information into a slurm "job" file
 Example Slurm Script:

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 ** Confirm the information in the slurm job file
 ** %cat ucvm_query.job
-*%sbatch ucvm_query.job
+* %sbatch ucvm_query.job
-*%squeue -u maechlin
+* %squeue -u maechlin
 *%cat rpv_cvmsi.out
 == Related Entries ==

@@ Line 43: / Line 43: @@
 Submitting and monitoring your jobs require slurm commands
 *[https://carc.usc.edu/user-information/user-guides/high-performance-computing/slurm-templates CARC Slurm Examples]
 Information to Prepare:
@@ Line 50: / Line 67: @@
 * Allocation to charge for computing time
 * Create slurm "job" file
-*%cat ucvm_query.job
+Example Slurm Script:
 *%sbatch ucvm_query.job
 *%squeue -u maechlin
 *%cat rpv_cvmsi.out

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 == Method 2 - Submit job through queue using slurm batch script ==
-* This method is best for running large jobs that require many nodes
+This method is best for running large jobs that require many nodes
 * This will put your job into a system queue
 * HPC systems have their own rules for prioritizing jobs in their queues
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 ** short running jobs may have priority
 ** jobs requiring few nodes may have priority
-* Submitting and monitoring your jobs require slurm commands
-**
+Submitting and monitoring your jobs require slurm commands

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 </pre>
-== Example profile query ==
+Wait until systems assigns you the requested nodes:
-%ucvm_query -f /project/scec_608/<username>/ucvm_bin/conf/ucvm.conf -m cvmsi < rpv.in > rpv_cvmsi.out
+* Your command line prompt will show you when the nodes are assigned.
-* ucvm_query -f /project/maechlin_162/ucvm_bin/conf/ucvm.conf -m cvmsi < rpv.in > rpv_cvmsi.out
+* Run your program like you on the command line:
 *%cat ucvm_query.job

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 == Running on dedicated compute nodes ==
-Basic Reasons for using compute nodes
+Reasons for using compute nodes
 * login (headnode) is shared by all users.
 * compute nodes are dedicated to your job (while in use) and not shared
 Information To Prepare:

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 == Related Entries ==
-*[[UCVM Training]]
+*[[UCVM Basin Query]]
 *[[UCVM Plotting on Discovery]]
 *[[Export XWindows to Client]]