GEOS-5 Run-Time Characteristics: Difference between revisions

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{| border="1"
#REDIRECT [[GEOS-5 Run-Time Characteristics for Heracles 5.2]]
 
! scope="col" | Application (10-day AMIP-Style simulation using climatological aerosols)
! scope="col" | Resolution
! scope="col" | CPUs (typical)
! scope="col" | WallClock Hours
! scope="col" | CPU Hours (Westmere)
! scope="col" | Data Volume (typical)
! scope="col" | Notes
 
|-
! scope="row" | GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core)
 
| b72 (2-deg)
|48
|0.25
|12
|3 Gb
|Highly depends on fields saved
|-
 
! scope="row" | GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core)
 
|c72 (1-deg)
|96
|0.5
|48
|13
|Highly depends on fields saved
|-
 
! scope="row" | GEOS-5 AGCM (Ganymed Tag, FV Lat/Lon Dynamical Core)
 
|d72 (0.5-deg)
|384
|1
|384
|52 Gb
|Highly depends on fields saved
|-
 
! scope="row" | 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
|-
 
! scope="row" | 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
|-
 
 
! scope="row" | 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
 
 
{| border="1"
|+FV-Cubed:  C180 x 72L  => 180 x 1080 x 72  = 194400 x 72
! scope="col" | Layout NX
! scope="col" | Layout NY
! scope="col" | Total PEs
! scope="col" | Total Time (hrs)
! scope="col" | Dynamics Time
! scope="col" | Physics Time
! scope="col" | Dynamics Percent
! scope="col" | Physics Percent
|-
 
! scope="row" | 6 ||36 ||216 ||1.49 ||0.34 ||1.15 ||23.02% ||76.98%
|-
! scope="row" |8 ||48 ||384 ||0.61 ||0.15 ||0.46 ||24.58% ||75.42%
|-
! scope="row" |12 ||72 ||864 ||0.35 ||0.12 ||0.22 ||35.18% ||64.82%
|-
 
|}
 
 
{| border="1"
|+FV-LatLon:  d72  => 576 x 361 x 72  = 207936 x 72
! scope="col" | Layout NX
! scope="col" | Layout NY
! scope="col" | Total PEs
! scope="col" | Total Time (hrs)
|-
! scope="row" |6 ||36 ||216 ||1.72
|-
! scope="row" |8 ||48 ||384 ||1.21
|-
! scope="row" |12 ||72 ||864 ||0.72
|-
 
|}
 
 
Layout Scaling Comparison for GEOS-5  FV-LatLon (10 Days @ 1/2-deg)
 
{| border="1"
|+FV-LatLon:  d72  => 576 x 361 x 72  = 207936 x 72
! scope="col" | Layout NX
! scope="col" | Layout NY
! scope="col" | Total PEs
! scope="col" | Total Time (hrs)
 
|-
! scope="row" |4 ||96 ||384 ||1.59
|-
! scope="row" |6 ||64 ||384 ||1.17 ||<=  Sweet Spot
|-
! scope="row" |8 ||48 ||384 ||1.21
|-
! scope="row" |12 ||32 ||384 ||1.20
|-
! scope="row" |16 ||24 ||384 ||1.27
 
|-
 
|}

Latest revision as of 08:25, 2 June 2016