[gridengine users] About cpu time.

Jerome IBt jerome at ibt.unam.mx
Wed May 6 23:04:43 UTC 2020

Dear all

I'm facing a strange problem with some parralel programs.
Ive run a job ina queue with 24 hours limit time. The job

Qacct report this (4 cores):
qname        all.q
hostname     compute-0-3.local
group        estudiante
owner        xairarg
project      NONE
department   defaultdepartment
jobname      RespBact
jobnumber    1335842
taskid       24
account      sge
priority     0
qsub_time    Sat May  2 20:29:57 2020
start_time   Sat May  2 22:19:00 2020
end_time     Sun May  3 19:40:54 2020
granted_pe   thread
slots        4
failed       0
exit_status  0
ru_wallclock 76914s
ru_utime     1128016.632s
ru_stime     2191.568s
ru_maxrss    20.811MB
ru_ixrss     0.000B
ru_ismrss    0.000B
ru_idrss     0.000B
ru_isrss     0.000B
ru_minflt    351497264
ru_majflt    0
ru_nswap     0
ru_inblock   71047120
ru_oublock   1087912
ru_msgsnd    0
ru_msgrcv    0
ru_nsignals  0
ru_nvcsw     43908490
ru_nivcsw    80940156
cpu          1130208.200s
mem          13575.491TBs
io           2.022GB
iow          0.000s
maxvmem      20.813GB
arid         undefined
ar_sub_time  undefined
category     -pe thread 4

Ths job was running 21h22 approximaly. The roblem is that qacct report a
cpu time of  1130208 seconds, in place of 4*76914 = 307656 . That is, 3
time more! As it was using 12 cores.

I remember someone speak about this problem in the list.

What's wrong with this accounting?


-- Jérôme
-Ah évidemment j'en suis pas encore aux toiles de maître, mais enfin
c'est un début
-Oh c'est un début qui promet. Mais tu vois si j'étais chez moi comme tu
le disais si gentiment,bah j'mettrai ça ailleurs.
-Qu'est-ce que je disais, y s'rait mieux près de la fenêtre. Tu le
verrais où toi ?
-À la cave.
	(Michel Audiard)

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