MONSooN pretty slow

[nfreychet]

Hello,

I am running a UM8.4 job on MONSooN with 16*8 cores and a low resolution (N96). But it seems to be pretty slow (about 1h for 19 days), compared to the same kind of job on ARCHER with 12*8 cores that take 15min for 10 days. Can it be due to writing/reading output, or should I check more carefully something in the configuration?

Thanks,
Nicolas

[grenville]

Hi Nicolas

It could be IO related - can you let us know the job id (and the ARCHER equivalent).

Please ensure we have read access to the output.

Grenville

[nfreychet]

Hello,

Here are the information of the last job I'm running on MONSOON (I don't have the job on ARCHER as it was conducted by someone else):

Job id Name User Time Use S Queue

---

2195296.xcm00 xnbra_run nifre 00:02:57 R normal

It's still about 1h40min for 30 days simulation.

Cheers,

Nicolas

[grenville]

Nicolas

Without knowledge of the exact ARCHER run, it's not possible to understand why the performance differs. I'd expect MONSooN to be quicker than ARCHER (all things being equal).

Grenville