Difference between pages "File:UKCAsurfECvsobs.pdf" and "ARCHER porting"
From UKCA
(Difference between pages)
(UKCA simulated Elemental Carbon evaluated against observations from various sites across N. America within the IMPROVE monitoring network (Malm et al, 1994). Malm, W. C., Sisler, J.F., Hu�man, Eldred, D.R.A., and Cahill, T.A., Spatial and seasonal tre) |
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| + | Several of the [[UKCA Release Jobs]] have been ported from HECToR to ARCHER, and their [[UKCA_Release_Jobs#Job_List|jobids]] are detailed on that page. |
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| − | UKCA simulated Elemental Carbon evaluated against |
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| − | observations from various sites across N. America |
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| − | within the IMPROVE monitoring network |
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| − | (Malm et al, 1994). |
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| + | ==Timings== |
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| − | Malm, W. C., Sisler, J.F., Hu�man, Eldred, D.R.A., and Cahill, T.A., Spatial and |
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| + | |||
| − | seasonal trends in particle concentration and optical extinction in the United States, |
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| + | [[File:CCMI_timings_ARCHER.png|300px|thumb|right|Scaling and efficiency profiling for N48L60 UKCa CheS+ on ARCHER]] |
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| − | J. Geophys. Res., 99, 1347{1370, 1994. |
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| + | |||
| + | The plot shows how UKCA scales when ported to ARCHER. The most efficient number of nodes to use is 3 (8x9), although the model will run fastest on 6 nodes (e.g. 16x9 or 12x12). Moving to 3 nodes from 6 will increase the run-time by 50%. |
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| + | |||
| + | ==Code Changes== |
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| + | ===Cray cce Fortran Compiler=== |
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| + | |||
| + | Corrections required for the Cray cce compiler on archer can be found on the [[Bugfixes#Cray_compiler_on_ARCHER|bugfixes page]]. |
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Revision as of 17:12, 14 January 2014
Several of the UKCA Release Jobs have been ported from HECToR to ARCHER, and their jobids are detailed on that page.
Timings
The plot shows how UKCA scales when ported to ARCHER. The most efficient number of nodes to use is 3 (8x9), although the model will run fastest on 6 nodes (e.g. 16x9 or 12x12). Moving to 3 nodes from 6 will increase the run-time by 50%.
Code Changes
Cray cce Fortran Compiler
Corrections required for the Cray cce compiler on archer can be found on the bugfixes page.
File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 09:32, 2 June 2014 | (201 KB) | Maintenance script (talk) | Importing image file |
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