Christopher, On Mon, Apr 30, 2018 at 7:30 AM, Christopher Heiny <[email protected]> wrote:
> > > This is the total CPU time (both userspace and system) for all > processes in your job's process groups. This includes the one directly > controlled by execd, and by any helper processes that might be spawned > by methods that are not tightly integrated into SGE. > > We experienced a similar confusion earlier this month with some Matlab > jobs, using Matlab's parallel processing toolkit. It appears that if > the program controlled by execd spawns additional helper processes > using methods GridEngine doesn't understand, then the CPU time for > those helper processes is included here, but is not included in > ru_utime/ru_stime. The job that is submitted is a script that, after some setup runs a program under /usr/bin/time. So perhaps wrapping the real target program in "time" is causing the discrepancy in cpu utilization? Simon _______________________________________________ users mailing list [email protected] https://gridengine.org/mailman/listinfo/users
