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Running jobs: Difference between revisions
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On general-purpose (GP) clusters, this job reserves 1 core and 256MB of memory for 15 minutes. On [[Niagara]], this job reserves the whole node with all its memory. | On general-purpose (GP) clusters, this job reserves 1 core and 256MB of memory for 15 minutes. On [[Niagara]], this job reserves the whole node with all its memory. | ||
Directives (or | Directives (or <i>options</i>) in the job script are prefixed with <code>#SBATCH</code> and must precede all executable commands. All available directives are described on the [https://slurm.schedmd.com/sbatch.html sbatch page]. Our policies require that you supply at least a time limit (<code>--time</code>) for each job. You may also need to supply an account name (<code>--account</code>). See [[#Accounts and projects|Accounts and projects]] below. | ||
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Adding to this confusion, Slurm interprets K, M, G, etc., as [https://en.wikipedia.org/wiki/Binary_prefix binary prefixes], so <code>--mem=125G</code> is equivalent to <code>--mem=128000M</code>. See the <i>Available memory</i> column in the | Adding to this confusion, Slurm interprets K, M, G, etc., as [https://en.wikipedia.org/wiki/Binary_prefix binary prefixes], so <code>--mem=125G</code> is equivalent to <code>--mem=128000M</code>. See the <i>Available memory</i> column in the <i>Node characteristics</i> table for each GP cluster for the Slurm specification of the maximum memory you can request on each node: [[Béluga/en#Node_characteristics|Béluga]], [[Cedar#Node_characteristics|Cedar]], [[Graham#Node_characteristics|Graham]], [[Narval/en#Node_characteristics|Narval]]. | ||
==Use <code>squeue</code> or <code>sq</code> to list jobs== <!--T:60--> | ==Use <code>squeue</code> or <code>sq</code> to list jobs== <!--T:60--> | ||
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To find out which account name corresponds | To find out which account name corresponds | ||
to a given Resource Allocation Project, log in to [https://ccdb.computecanada.ca CCDB] | to a given Resource Allocation Project, log in to [https://ccdb.computecanada.ca CCDB] | ||
and click on | and click on <i>My Account -> Account Details</i>. You will see a list of all the projects | ||
you are a member of. The string you should use with the <code>--account</code> for | you are a member of. The string you should use with the <code>--account</code> for | ||
a given project is under the column <i>Group Name</i>. Note that a Resource | a given project is under the column <i>Group Name</i>. Note that a Resource | ||