GEOS-5 Run-Time Characteristics: Difference between revisions

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{| border="1"
{| border="1"


! scope="col" | Application (AMIP-Style simulation, climatology aerosols)
! scope="col" | Application (10-day AMIP-Style simulation using climatological aerosols)
! scope="col" | Resolution  
! scope="col" | Resolution  
! scope="col" | CPUs (typical)
! scope="col" | CPUs (typical)
Line 14: Line 14:
| b72 (2-deg)
| b72 (2-deg)
|48
|48
|0.25 hours/10-Days
|0.25
|12 hours/10-Days
|12  
|3 Gb/10-Days
|3 Gb
|Highly depends on fields saved
|Highly depends on fields saved
|-
|-
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|c72 (1-deg)
|c72 (1-deg)
|96
|96
|0.5 hours/10-Days
|0.5  
|48 hours/10-Days
|48  
|13 Gb/10-Days
|13  
|Highly depends on fields saved
|Highly depends on fields saved
|-
|-
Line 34: Line 34:
|d72 (0.5-deg)
|d72 (0.5-deg)
|384
|384
|1 hour/10-Days
|1
|384 hours/10-Days
|384
|52 Gb/10-Days
|52 Gb
|Highly depends on fields saved
|Highly depends on fields saved
|-
|-
Line 44: Line 44:
|e72 (0.25-deg)
|e72 (0.25-deg)
|768
|768
|4.75 hours/10-Days
|4.75  
|3648 hours/10-Days
|3648  
|288 Gb/10-Days
|288 Gb
|Highly depends on fields saved
|Highly depends on fields saved
|-
|-
Line 53: Line 53:
| c720 x 72L (14-km)
| c720 x 72L (14-km)
| 1350
| 1350
|8 hours/10-Days
|8  
| 10800/10-Days
|10800
|832 Gb/10-Days
|832 Gb
|Highly depends on fields saved
|Highly depends on fields saved
|-
|-
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| c1440 x 72L (7-km)
| c1440 x 72L (7-km)
|4000
|4000
|22 hours/10-Days
|22  
|88000/10-Days
|88000
|3328 Gb/10-Days
|3328 Gb
|Highly depends on fields saved
|Highly depends on fields saved
|-
|-

Revision as of 10:27, 14 May 2012

Application (10-day AMIP-Style simulation using climatological aerosols) Resolution CPUs (typical) WallClock Hours CPU Hours (Westmere) Data Volume (typical) Notes
GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core) b72 (2-deg) 48 0.25 12 3 Gb Highly depends on fields saved
GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core) c72 (1-deg) 96 0.5 48 13 Highly depends on fields saved
GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core) d72 (0.5-deg) 384 1 384 52 Gb Highly depends on fields saved
GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core) e72 (0.25-deg) 768 4.75 3648 288 Gb Highly depends on fields saved
GEOS-5 AGCM (Ganymed Tag, FV Cubed-Sphere Dynamical Core) c720 x 72L (14-km) 1350 8 10800 832 Gb Highly depends on fields saved
GEOS-5 AGCM (Ganymed Tag, FV Cubed-Sphere Dynamical Core) c1440 x 72L (7-km) 4000 22 88000 3328 Gb Highly depends on fields saved


Scaling for GEOS-5 (10 Days @ 1/2-deg)

FV-Cubed: C180 x 72L => 180 x 1080 x 72 = 194400 x 72


FV-Cubed: C180 x 72L => 180 x 1080 x 72 = 194400 x 72
Layout NX Layout NY Total PEs Total Time (hrs) Dynamics Time Physics Time Dynamics Percent Physics Percent
6 36 216 1.49 0.34 1.15 23.02% 76.98%
8 48 384 0.61 0.15 0.46 24.58% 75.42%
12 72 864 0.35 0.12 0.22 35.18% 64.82%


FV-LatLon: d72 => 576 x 361 x 72 = 207936 x 72
Layout NX Layout NY Total PEs Total Time (hrs)
6 36 216 1.72
8 48 384 1.21
12 72 864 0.72


Layout Scaling Comparison for GEOS-5 FV-LatLon (10 Days @ 1/2-deg)

FV-LatLon: d72 => 576 x 361 x 72 = 207936 x 72
Layout NX Layout NY Total PEs Total Time (hrs)
4 96 384 1.59
6 64 384 1.17 <= Sweet Spot
8 48 384 1.21
12 32 384 1.20
16 24 384 1.27