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HPC tips

To find out the memory used by your code type
ps -elf | grep username
The top line giving the labels will not be printed but it can be worked out
F S UID PID PPID C PRI NI ADDR SZ WCHAN STIME TTY TIME CMD
240001 A snie007 243278 472762 0 60 20 1231922400 1460 20:15:16 pts/1 0:00 -tcsh
40001 A snie007 263918 583172 1 60 20 101811400 2024 19:43:29 - 0:00 sshd: snie007@pts/2
size SZ approximate amount of swap space that would be required if
the process were to dirty all writable pages and then be swapped out. This number is very rough!
time TIME cumulative CPU time, "dd-hh:mm:ss" format.
(alias cputime).