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Windows HPC Integration > Integration with Sun Grid Engine (SGE)SGE Version Ansoft testing was carried out with SGE version 6.2u4. SGE Commands for Information About Jobs and Cluster Configuration The following SGE commands are especially useful for getting information about the cluster configuration or for getting information about running or completed jobs. This list only contains a few of the most common commands. Consult the SGE man pages for a complete list and more details. qconf -help: The first line displays the SGE version qacct -j job-id qstat -j job-id qconf -sc: Show all complex attributes qconf -spl: Show a list of all parallel environments qconf -sp pe-name qconf -sql: Show a list of all queues qconf -sq queue-name qconf -sconf: Show configurations Submitting Ansoft SGE Batch Jobs The SGE qsub command may be used to submit Ansoft jobs. Typical command formats are: qsub qsub_args ansoft_exe ansoft_args qsub qsub_args job_script qsub qsub_args[ -] where: • qsub_args
• ansoft_exe
• ansoft_args
• job_script
In the first format, the Ansoft desktop command and its arguments are specified on the qsub command line. In the second format, the pathname of a shell script containing the Ansoft desktop command and its arguments is specified on the qsub command line. In the third format, the command is omitted or replaced with a hyphen; this indicates that the command or script will be taken from stdin. Quoting Ansoft Command or Arguments for SGE If the Ansoft tool executable pathname (ansoft_exe) or any of the arguments of the Ansoft tool command (ansoft_args) contain characters which are interpreted by the command shell, then these special characters must be properly quoted to ensure that the correct command is launched by SGE. This is especially important when using the first form of the qsub command, as the Ansoft desktop command is processed by the shell twice in this case. It is processed by the shell when the qsub command is processed, and again when the job is started. Serial SGE Batch Jobs In general, Ansoft batch jobs may be submitted as SGE serial jobs without any special considerations. See Monitoring Ansoft SGE Batch Jobs for options for monitoring Ansoft batch jobs. Parallel SGE Batch Jobs When an Ansoft batch job is run as an SGE parallel job, the SGE scheduler will select the hosts for the distributed analysis job, and start the desktop process on one of these hosts. The desktop process will obtain the list of hosts from the SGE scheduler, and start analysis processes, as needed, using the SGE scheduler facilities. To run an SGE parallel job, the job must be submitted to an SGE parallel environment (PE). If the qmaster tcp port is not configured as a service, but rather via the environment variable SGE_QMASTER_PORT, this variable must be set in the Ansoft batch job environment. This is needed because the Ansoft desktop uses the "qrsh -inherit" command to launch engine processes. See Monitoring Ansoft SGE Batch Jobs for options for monitoring Ansoft batch jobs. Setting Up an SGE Parallel Environment (PE) To allow Ansoft batch jobs to distribute analysis engines to multiple hosts, the job must be run in a parallel environment (PE) in which the the control_slaves parameter is set to TRUE. This setting is required to allow the Ansoft desktop to start analysis engines on hosts other than the local host, i.e., the host where the Ansoft desktop is running. Here is a sample parallel environment configuration: pe_name ans_test1 slots 999 user_lists NONE xuser_lists NONE start_proc_args /bin/true stop_proc_args /bin/true allocation_rule $round_robin control_slaves TRUE job_is_first_task FALSE urgency_slots min accounting_summary TRUE The user_lists and xuser_lists parameters are ACLs (access control lists) used to control which users have permission to use the parallel environment. The user_lists setting gives permission to use the PE. The xuser_lists setting denys permission to use the parallel environment. The xuser_lists settings override the user_lists settings. The start_proc_args and stop_proc_args parameters contain the pathname and arguments for the parallel environment startup and shutdown scripts. No startup or shutdown scripts are needed for parallel Ansoft batch jobs. The setting /bin/true may be used as the value for these scripts; this utility does nothing and returns an exit code indicating success (0). The parallel environment allocation_rule parameter will affect how the analysis engine tasks are distributed across the hosts allocated to the job. The $round_robin setting distributes the tasks across the hosts in a round robin fashion, resulting in the load being relatively evenly distributed over all of the hosts. The $fill_up setting allocates all slots on a host before distributing the tasks to another host; the result is that most hosts are either fully utilized or completely unused. See the sge_pe man page for other settings for this parameter. The control_slaves parameter must be set to TRUE, as described above. The job_is_first_task parameter also affects how tasks are allocated. When submitting a job to run in a parallel environment, the number of parallel tasks, n, is specified on the command line. If this setting is TRUE, then the job process is considered one of the tasks, and only (n-1) additional tasks are allocated to the job. If the setting is FALSE, then the job process is not considered to be one of the tasks, and n additional tasks are allocated for the job. See the sge_pe man page for more information about these and other PE parameters. A parallel environment does not run tasks directly. Instead, the tasks are distributed to queues associated with the parallel environment. In order to complete the setup of a parallel environment, one or more queues need to be associated with the parallel environment. The queue pe_list parameter is used to specify the parallel environments (PEs) supported by the queue. This is an important step; if no queues support a given PE, then jobs submitted to that PE will not run. Parallel Batch Job Command Line Considerations The number of engines run on a host will depend on the
total number of distributed engines, and the number of hosts allocated
to the job. The memory required on a host depends on the number of engines
running on the host and on the memory needed for each engine. The qsub command -l
resource=value,... or
-q queue_list
The topics for this section include: Monitoring Ansoft SGE Batch Jobs Example SGE qsub Command Lines Recommended Practices for SGE Clusters Issue with MainWin Core Services for SGE
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Ansoft Designer / Ansys Designer 在线帮助文档：
: Displays a log of the completed job with
id job-id (if accounting is enabled) 
are the options of
the qsub command,
is the pathname of
the Ansoft tool executable to launch,
are the arguments to
the Ansoft tool command, and
is a shell script containing
the Ansoft desktop command to run. 
