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| == Performance at various resolutions ==
| | #REDIRECT [[GEOS-5 Run-Time Characteristics for Heracles 5.2]] |
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| {| border="1"
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| |+ '''Results for a 10-day AMIP-Style simulation at 72 levels using climatological aerosols and running Ganymed-1_0 on Westmere CPUs'''
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| ! scope="col" | Resolution
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| ! scope="col" | CPUs (typical)
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| ! scope="col" | WallClock Time (Hours)
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| ! scope="col" | CPU Time (Hours)
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| ! scope="col" | Data Volume (Gbytes)
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| ! scope="col" | Notes
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| |-
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| ! scope="row" |b72 (2-deg)
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| ! scope="row" |48
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| ! scope="row" |0.25
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| ! scope="row" |12
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| ! scope="row" |3
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| |Highly depends on fields saved
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| |-
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| ! scope="row" |c72 (1-deg)
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| ! scope="row" |96
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| ! scope="row" |0.5
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| ! scope="row" |48
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| ! scope="row" |13
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| |Highly depends on fields saved
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| |-
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| ! scope="row" |d72 (0.5-deg)
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| ! scope="row" |384
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| ! scope="row" |1
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| ! scope="row" |384
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| ! scope="row" |52
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| |Highly depends on fields saved
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| |-
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| ! scope="row" |e72 (0.25-deg)
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| ! scope="row" |768
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| ! scope="row" |4.75
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| ! scope="row" |3648
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| ! scope="row" |288
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| |Highly depends on fields saved
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| |-
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| ! scope="row" |c720 x 72L (14-km)
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| ! scope="row" |1350
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| ! scope="row" |8
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| ! scope="row" |10800
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| ! scope="row" |832
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| |Highly depends on fields saved
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| |-
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| ! scope="row" |c1440 x 72L (7-km)
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| ! scope="row" |4000
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| ! scope="row" |22
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| ! scope="row" |88000
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| ! scope="row" |3328
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| |Highly depends on fields saved
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| |-
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| |}
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| == Scaling for Cubed-Sphere Version at C180 (1/2 deg) ==
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| {| border="1"
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| ! scope="col" | Layout NX
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| ! scope="col" | Layout NY
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| ! scope="col" | Total PEs
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| ! scope="col" | Total Time (hrs)
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| ! scope="col" | Dynamics Time
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| ! scope="col" | Physics Time
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| ! scope="col" | Dynamics Percent
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| ! scope="col" | Physics Percent
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| |-
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| ! scope="row" | 6 ||36 ||216 ||1.49 ||0.34 ||1.15 ||23.02% ||76.98%
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| |-
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| ! scope="row" |8 ||48 ||384 ||0.61 ||0.15 ||0.46 ||24.58% ||75.42%
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| |-
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| ! scope="row" |12 ||72 ||864 ||0.35 ||0.12 ||0.22 ||35.18% ||64.82%
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| |-
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| |}
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| == Scaling for Lat-Lon Version at d72 (1/2 deg) ==
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| {| border="1"
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| ! scope="col" | Layout NX
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| ! scope="col" | Layout NY
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| ! scope="col" | Total PEs
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| ! scope="col" | Total Time (hrs)
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| |-
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| ! scope="row" |6 ||36 ||216 ||1.72
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| |-
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| ! scope="row" |8 ||48 ||384 ||1.21
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| |-
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| ! scope="row" |12 ||72 ||864 ||0.72
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| |-
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| |}
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| == Layout Scaling Comparison for Lat-Lon Version at d72 (1/2 deg) ==
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| {| border="1"
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| ! scope="col" | Layout NX
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| ! scope="col" | Layout NY
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| ! scope="col" | Total PEs
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| ! scope="col" | Total Time (hrs)
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| |-
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| ! scope="row" |4 ||96 ||384 ||1.59
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| |-
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| ! scope="row" |6 ||64 ||384 ||1.17 ||<= Sweet Spot
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| |-
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| ! scope="row" |8 ||48 ||384 ||1.21
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| |-
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| ! scope="row" |12 ||32 ||384 ||1.20
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| |-
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| ! scope="row" |16 ||24 ||384 ||1.27
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| |-
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| |}
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