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Supercomputing Nov 4-10,2000

ILab: Parameter Study Creation and Submission on the IPG

Parameter study creation and submission has been fully automated with this GUI-based tool. In addition, the greatest impediment to user acceptance of the Information Power Grid (IPG) /Globus model has been overcome: the job control language -- which is required for submitting into the IPG/Globus processing environment -- has been eliminated.

Our GUI tool first automates the creation of parameter studies of arbitrary dimension and then automatically creates all Globus job control language (RSL decks and auxiliary shell scripts) required to actually set up and invoke Globus jobs on the IPG.

We have demonstrated the ILab capabilities by creating a 12 x 16 case parameter study in Mach number and Alpha (angle of attack) for the X38 Crew Return Vehicle. Using Globus, these 192 flow solution cases were automatically submitted onto two separate Origin 2000 parallel machines on the IPG testbed.

Curator: Ryan Spaulding
Last Update: September 25, 2002
NASA Official: Steve Walworth