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Benchmarks Overview

Ansys benchmarks provide comprehensive and fair comparative information concerning the performance of Ansys solvers on available hardware platforms. The benchmarks can be used to compare performance of different hardware platforms when running Ansys solvers. To accomplish this goal, Ansys provides the suite of simulation cases that make up the Ansys benchmark suite to its hardware partners for their use in benchmarking hardware performance; then the data is reported to Ansys and compiled for this site. Cases are selected to represent typical usage and cover a range of mesh sizes and physical models.

Benchmarking Terminology

Ansys Fluent Benchmarks

This benchmark suite provides Ansys Fluent hardware performance data measured using sets of benchmark problems selected to represent typical usage. The Ansys Fluent benchmark cases range in size from a few hundred- thousand cells to more than 100 million cells. The suite contains both pressure-based (segregated and coupled) and density-based implicit solver cases using a variety of cell types and a range of physics. These cases are used by hardware vendors to benchmark their hardware systems and the resulting performance data is then included in these pages. For further descriptions of benchmark problems, please go to the benchmark page related to the case you are interested in.

Release 2022 R2 Test Cases

4-Stroke spray guided Gasoline Direct Injection model. The case has around 2 million Mixed cells and uses the Standard K-e Turbulence, DPM, Species Partially Premixed Combustion, dynamic mesh model and Pressure based segregated solver, Green Gauss node based, unsteady solver.


Number of cells2,000,000
Cell typeMixed
ModelsStandard K-e Turbulence, DPM, Species Partially Premixed Combustion, dynamic mesh
SolverPressure based segregated solver, Green Gauss node based, unsteady
 


Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

1281936.5854128.000100.00%
Boeing Landing gear analysis. The case has around 15 million Mixed cells and uses the realizable LES, Acoustics model and the Pressure based coupled solver, Least Squares cell based, Unsteady solver.

Number of cells15,000,000
Cell typeMixed
ModelsLES, Acoustics
SolverPressure based coupled solver, Least Squares cell based, Unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

12811052.3752128.000100.00%

Cavity flow in a centrifugal pump. The case has around 2 million hexahedral cells and uses the Realizable K-e Turbulence, Mixture Multiphase model and the Pressure based coupled solver, Least Squares cell based, steady solver.


Number of cells2,000,000
Cell typehexahedral
ModelsRealizable K-e Turbulence, Mixture Multiphase
SolverPressure based coupled solver, Least Squares cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

128115157.8947128.000100.00%

Circulating fluidized bed. The case has around 2 million mixed cells and uses the Laminar, Eulerian Multiphase model and the Pressure based segregated solver, Least Squares cell based, unsteady solver.


Number of cells2,000,000
Cell typeMixed
ModelsLaminar, Eulerian Multiphase
SolverPressure based segregated solver, Least Squares cell based, unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10

 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

128113395.3488128.000100.00%
External Flow over a Formula-1 Race car. The case has around 140 million Hex-core cells and uses the realizable k-e turbulence model and the Pressure based coupled solver, Least Squares cell based, pseudo transient solver.

Number of cells140,000,000
Cell typeHex-core
ModelsRealizable K-e Turbulence
SolverPressure based coupled solver, Least Squares cell based
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

1281175.8421128.000100.00%
External flow over an aircraft wing. The case has around 2 million hexahedral cells and uses the realizable K-e Turbulence model and the coupled implicit solver.

Number of cells2 million
Cell typehexahedral
Modelsrealizable k-eps turbulence
SolverPressure based coupled solver, Green Gauss Node based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

12812860.9272128.000100.00%

External flow over an aircraft wing. The case has around 2 million hexahedral cells and uses the realizable K-e Turbulence model and the coupled implicit solver.

Number of cells2 million
Cell typehexahedral
Modelsrealizable k-eps turbulence
SolverPressure based coupled solver, Green Gauss Node based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM
 
128125984.9624128.000100.00%

External Flow over an Open Wheel Race Car. The case has around 280 million Hex-core cells and uses the realizable k-e turbulence model and the Pressure based coupled solver, cell based, pseudo transient solver.


Number of cells280,000,000
Cell typeHex-core
ModelsRealizable K-e Turbulence
SolverPressure based coupled solver, cell based, pseudo transient
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
 
AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM
1281130.7110128.000100.00%

External Flow over passenger sedan. The case has around 4 million cells of mixed type and uses a k-epsilon model with the pressure-based coupled solver.

Number of cells4,000,000
Cell typeMixed
ModelsStandard K-e Turbulence
SolverPressure based coupled solver, Green-Gauss cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10

 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

128121873.4177128.000100.00%

Flow through a combustor. The case has around 12 million Polyhedra cells and uses the Realizable K-e Turbulence, Species Transport model and the Pressure based coupled solver, Least Squares cell based, pseudo transient solver.

Number of cells12,000,000
Cell typePolyhedra
ModelsRealizable K-e Turbulence, Species Transport
SolverPressure based coupled solver, Least Squares cell based, pseudo transient

 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

1281793.2063128.000100.00%

Flow through a combustor. The case has around 71  million Hex-core cells and uses the LES, Species Non-Premixed Combustion, PDF, DPM model and the Pressure based coupled solver, Least Squares cell based, Unsteady solver.


Number of cells71,000,000
Cell typeHex-core
ModelsLES, Species Non-Premixed Combustion, PDF, DPM
SolverPressure based coupled solver, Least Squares cell based, Unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

128182.3171128.000100.00%

Flow through combustor. The case has around 16 million hexahedral cells and uses the LES, Partially Premixed Combustion, PDF model and the Pressure based segregated solver, Green Gauss cell based, Unsteady solver.

Number of cells16,000,000
Cell typehexahedral
ModelsPressure based segregated solver, Green Gauss cell based, Unsteady
SolverLES, Partially Premixed Combustion, PDF
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

12811496.8815128.000100.00%
Transonic axial-flow in a rotor. The case has around 3 million hexahedral cells and uses the SST K-omega Turbulence model and the Pressure based coupled solver, Least Squares cell based, pseudo transient, sliding inerfaces.

Number of cells3,000,000
Cell typehexahedral
ModelsSST K-omega Turbulence
SolverPressure based coupled solver, Least Squares cell based, pseudo transient, sliding inerfaces
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM
 

 

128117906.7358128.000100.00%

Vehicle Exhaust model. The case has around 33 million Mixed cells and uses the SST K-omega Turbulence model and the Pressure based coupled solver, Least Squares cell based, steady solver.

Number of cells33,000,000
Cell typeMixed
ModelsSST K-omega Turbulence
SolverPressure based coupled solver, Least Squares cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

12811034.1113128.000100.00%

Wave loading on oil rig. The case has around 7 million hexahedral cells and uses the VOF, SST K-omega Turbulence model and the Pressure based segregated solver, Green-Gauss cell based, unsteady solver.

Number of cells7,000,000
Cell typeMixed
ModelsVOF, SST K-omega Turbulence
SolverPressure based segregated solver, Green-Gauss cell based, unsteady

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-11-10
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, Genoa 9554, 3.1GHz, Dual-socket, 1.5TB RAM

Download

12813329.4798128.000100.00%

Release 2022 R1 Test Cases

4-Stroke spray guided Gasoline Direct Injection model. The case has around 2 million Mixed cells and uses the Standard K-e Turbulence, DPM, Species Partially Premixed Combustion, dynamic mesh model and Pressure based segregated solver, Green Gauss node based, unsteady solver.


Number of cells2,000,000
Cell typeMixed
ModelsStandard K-e Turbulence, DPM, Species Partially Premixed Combustion, dynamic mesh
SolverPressure based segregated solver, Green Gauss node based, unsteady
 


Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

1281798.1524128.000100.00%
25621187.6289190.46074.40%
51241529.2035245.23947.90%
102481489.6552238.89723.33%
Boeing Landing gear analysis. The case has around 15 million Mixed cells and uses the realizable LES, Acoustics model and the Pressure based coupled solver, Least Squares cell based, Unsteady solver.

Number of cells15,000,000
Cell typeMixed
ModelsLES, Acoustics
SolverPressure based coupled solver, Least Squares cell based, Unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

1281667.1815128.000100.00%
25621452.1008278.588108.82%
51243570.2479684.959133.78%
102488228.57141578.667154.17%

Cavity flow in a centrifugal pump. The case has around 2 million hexahedral cells and uses the Realizable K-e Turbulence, Mixture Multiphase model and the Pressure based coupled solver, Least Squares cell based, steady solver.


Number of cells2,000,000
Cell typehexahedral
ModelsRealizable K-e Turbulence, Mixture Multiphase
SolverPressure based coupled solver, Least Squares cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

128114896.5517128.000100.00%
256228800.0000247.46796.67%
512451582.0896443.22486.57%
1024865207.5472560.30254.72%

Circulating fluidized bed. The case has around 2 million mixed cells and uses the Laminar, Eulerian Multiphase model and the Pressure based segregated solver, Least Squares cell based, unsteady solver.


Number of cells2,000,000
Cell typeMixed
ModelsLaminar, Eulerian Multiphase
SolverPressure based segregated solver, Least Squares cell based, unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04

 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

12819762.7119128.000100.00%
256217723.0769232.36990.77%
512429538.4615387.28275.64%
1024842666.6667559.40754.63%
External Flow over a Formula-1 Race car. The case has around 140 million Hex-core cells and uses the realizable k-e turbulence model and the Pressure based coupled solver, Least Squares cell based, pseudo transient solver.

Number of cells140,000,000
Cell typeHex-core
ModelsRealizable K-e Turbulence
SolverPressure based coupled solver, Least Squares cell based
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

128192.9457128.000100.00%
2562186.5889256.961100.38%
5124384.0427528.884103.30%
10248829.97121142.993111.62%
External flow over an aircraft wing. The case has around 2 million hexahedral cells and uses the realizable K-e Turbulence model and the coupled implicit solver.

Number of cells2 million
Cell typehexahedral
Modelsrealizable k-eps turbulence
SolverPressure based coupled solver, Green Gauss Node based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

12811983.9265128.000100.00%
25624298.5075277.333108.33%
51249874.2857637.074124.43%
1024822588.23531457.359142.32%

External flow over an aircraft wing. The case has around 2 million hexahedral cells and uses the realizable K-e Turbulence model and the coupled implicit solver.

Number of cells2 million
Cell typehexahedral
Modelsrealizable k-eps turbulence
SolverPressure based coupled solver, Green Gauss Node based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12
 
128122153.8462128.000100.00%
256242146.3415243.51295.12%
512469120.0000399.36078.00%
1024898742.8571570.51455.71%

External Flow over an Open Wheel Race Car. The case has around 280 million Hex-core cells and uses the realizable k-e turbulence model and the Pressure based coupled solver, cell based, pseudo transient solver.


Number of cells280,000,000
Cell typeHex-core
ModelsRealizable K-e Turbulence
SolverPressure based coupled solver, cell based, pseudo transient
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
 
AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12
128169.9496128.000100.00%
2562141.1995258.379100.93%
5124288.2642527.491103.03%
10248583.09431066.998104.20%

External Flow over passenger sedan. The case has around 4 million cells of mixed type and uses a k-epsilon model with the pressure-based coupled solver.

Number of cells4,000,000
Cell typeMixed
ModelsStandard K-e Turbulence
SolverPressure based coupled solver, Green-Gauss cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04

 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

128117723.0769128.000100.00%
256242666.6667308.148120.37%
512472000.0000520.000101.56%
10248119172.4138860.69084.05%

Flow through a combustor. The case has around 12 million Polyhedra cells and uses the Realizable K-e Turbulence, Species Transport model and the Pressure based coupled solver, Least Squares cell based, pseudo transient solver.

Number of cells12,000,000
Cell typePolyhedra
ModelsRealizable K-e Turbulence, Species Transport
SolverPressure based coupled solver, Least Squares cell based, pseudo transient

 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

1281567.2083128.000100.00%
25621177.1117265.635103.76%
51242421.8641546.534106.74%
102484979.82711123.781109.74%

Flow through a combustor The case has around 71  million Hex-core cells and uses the LES, Species Non-Premixed Combustion, PDF, DPM model and the Pressure based coupled solver, Least Squares cell based, Unsteady solver.


Number of cells71,000,000
Cell typeHex-core
ModelsLES, Species Non-Premixed Combustion, PDF, DPM
SolverPressure based coupled solver, Least Squares cell based, Unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

128145.1765128.000100.00%
256292.4658261.986102.34%
5124199.5381565.358110.42%
10248453.54331285.039125.49%

Flow through combustor. The case has around 16 million hexahedral cells and uses the LES, Partially Premixed Combustion, PDF model and the Pressure based segregated solver, Green Gauss cell based, Unsteady solver.

Number of cells16,000,000
Cell typehexahedral
ModelsPressure based segregated solver, Green Gauss cell based, Unsteady
SolverLES, Partially Premixed Combustion, PDF
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

12811170.7317128.000100.00%
25622408.0268263.278102.84%
51244864.8649531.892103.89%
102488944.0994977.88895.50%
Transonic axial-flow in a rotor. The case has around 3 million hexahedral cells and uses the SST K-omega Turbulence model and the Pressure based coupled solver, Least Squares cell based, pseudo transient, sliding inerfaces.

Number of cells3,000,000
Cell typehexahedral
ModelsSST K-omega Turbulence
SolverPressure based coupled solver, Least Squares cell based, pseudo transient, sliding inerfaces
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12
 

 

128114400.0000128.000100.00%
256229538.4615262.564102.56%
512447342.4658420.82282.19%
1024866461.5385590.76957.69%

Vehicle Exhaust model. The case has around 33 million Mixed cells and uses the SST K-omega Turbulence model and the Pressure based coupled solver, Least Squares cell based, steady solver.

Number of cells33,000,000
Cell typeMixed
ModelsSST K-omega Turbulence
SolverPressure based coupled solver, Least Squares cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

1281634.1284128.000100.00%
25621390.7445280.724109.66%
51243020.9790609.790119.10%
102486953.72231403.622137.07%

Wave loading on oil rig. The case has around 7 million hexahedral cells and uses the VOF, SST K-omega Turbulence model and the Pressure based segregated solver, Green-Gauss cell based, unsteady solver.

Number of cells7,000,000
Cell typeMixed
ModelsVOF, SST K-omega Turbulence
SolverPressure based segregated solver, Green-Gauss cell based, unsteady

Results

Results are listed alphabetically by platform. Download

Last updated:  2022-05-04
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD White Box, EPYC 7773X, 3.5GHz, Dual-socket, HDR 200Gb InfiniBand, 1TB RAM 3200MHz, RHEL 8.3, Using Intel MPI 2019 Update 12

Download

12812636.1556128.000100.00%
25625511.9617267.636104.55%
512410194.6903495.00996.68%
1024815780.8219766.24774.83%

Release 2021 R1 Test Cases

4-Stroke spray guided Gasoline Direct Injection model. The case has around 2 million Mixed cells and uses the Standard K-e Turbulence, DPM, Species Partially Premixed Combustion, dynamic mesh model and Pressure based segregated solver, Green Gauss node based, unsteady solver.


Number of cells2,000,000
Cell typeMixed
ModelsStandard K-e Turbulence, DPM, Species Partially Premixed Combustion, dynamic mesh
SolverPressure based segregated solver, Green Gauss node based, unsteady
 


Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency

AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
591.7808
64.000
100.00%
128
2
957.3407
103.535
80.89%
256
4
1416.3934
153.180
59.84%
512
8
1736.6834
187.819
36.68%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
527.6336
96.000
100.00%
192
2
783.6735
142.585
74.26%
384
4
987.4286
179.657
46.79%
768
8
984.6154
179.145
23.33%
Boeing Landing gear analysis. The case has around 15 million Mixed cells and uses the realizable LES, Acoustics model and the Pressure based coupled solver, Least Squares cell based, Unsteady solver.

Number of cells15,000,000
Cell typeMixed
ModelsLES, Acoustics
SolverPressure based coupled solver, Least Squares cell based, Unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
507.6381
64.000
100.00%
128
2
1035.9712
130.609
102.04%
256
4
2187.3418
275.767
107.72%
512
8
4523.5602
570.304
111.39%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
564.7059
96.000
100.00%
192
2
1147.4104
195.060
101.59%
192
2
1147.4104
195.060
4101.59%
768
8
4385.7868
745.584
97.08%
1536
16
8074.7664
1372.710
89.37%
3072
32
12342.8571
2098.286
68.30%

Cavity flow in a centrifugal pump. The case has around 2 million hexahedral cells and uses the Realizable K-e Turbulence, Mixture Multiphase model and the Pressure based coupled solver, Least Squares cell based, steady solver.


Number of cells2,000,000
Cell typehexahedral
ModelsRealizable K-e Turbulence, Mixture Multiphase
SolverPressure based coupled solver, Least Squares cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
7140.4959
64.000
100.00%
128
2
17024.6305
152.591
119.21%
256
4
37161.2903
333.075
130.11%
512
8
64000.0000
573.630
112.04%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
8150.9434
96.000
100.00%
192
2
15292.0354
180.106
93.81%
384
4
28800.0000
339.200
88.33%
768
8
53169.2308
626.215
81.54%

Circulating fluidized bed. The case has around 2 million mixed cells and uses the Laminar, Eulerian Multiphase model and the Pressure based segregated solver, Least Squares cell based, unsteady solver.


Number of cells2,000,000
Cell typeMixed
ModelsLaminar, Eulerian Multiphase
SolverPressure based segregated solver, Least Squares cell based, unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09

 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
6545.4545
64.000
100.00%
128
2
      12126.3158
118.568
92.63%
256
4
20945.4545
204.800
80.00%
512
8
33882.3529
331.294
64.71%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
6400.0000
96.000
100.00%
192
2
12000.0000
180.000
93.75%
384
4
20945.4545
314.182
81.82%
768
8
32000.0000
480.000
62.50%
External Flow over a Formula-1 Race car. The case has around 140 million Hex-core cells and uses the realizable k-e turbulence model and the Pressure based coupled solver, Least Squares cell based, pseudo transient solver.

Number of cells140,000,000
Cell typeHex-core
ModelsRealizable K-e Turbulence
SolverPressure based coupled solver, Least Squares cell based
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
83.0849
64.000
100.00%
128
2
167.0614
128.687
100.54%
256
4
328.7046
253.200
98.91%
512
8
672.7662
518.229
101.22%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
103.4916
96.000
100.00%
192
2
234.6391
217.654
113.36%
384
4
470.8447
436.761
113.74%
768
8
927.2874
860.162
112.00%
1536
16
1815.1261
1683.732
109.62%
3072
32
3257.3044
3021.513
98.36%
6144
64
6031.4136
5594.809
91.06%
External flow over an aircraft wing. The case has around 2 million hexahedral cells and uses the realizable K-e Turbulence model and the coupled implicit solver.

Number of cells2 million
Cell typehexahedral
Modelsrealizable k-eps turbulence
SolverPressure based coupled solver, Green Gauss Node based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
1385.1703
64.000
100.00%
128
2
2994.8007
138.371
108.10%
256
4
6318.0987
291.920
114.03%
512
8
12943.8202
598.052
116.81%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
1544.9262
96.000
100.00%
192
2
3121.9512
193.995
101.04%
384
4
6306.5693
391.883
102.05%
768
8
12943.8202
804.315
104.73%
1536
16
24685.7143
1533.943
99.87%
3072
32
40658.8235
2526.494
82.24%
6144
64
61714.2857
3834.857
62.42%

External flow over an aircraft wing. The case has around 2 million hexahedral cells and uses the realizable K-e Turbulence model and the coupled implicit solver.

Number of cells2 million
Cell typehexahedral
Modelsrealizable k-eps turbulence
SolverPressure based coupled solver, Green Gauss Node based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8
 
64
1
11876.2887
64.000
100.00%
128
2
26381.6794
142.168
111.07%
256
4
50086.9565
269.913
105.43%
512
8
84292.6829
454.244
88.72%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
12476.5343
96.000
100.00%
192
2
24863.3094
191.309
99.64%
384
4
41638.5542
320.386
83.43%
768
8
65207.5472
501.736
65.33%

External Flow over an Open Wheel Race Car. The case has around 280 million Hex-core cells and uses the realizable k-e turbulence model and the Pressure based coupled solver, cell based, pseudo transient solver.


Number of cells280,000,000
Cell typeHex-core
ModelsRealizable K-e Turbulence
SolverPressure based coupled solver, cell based, pseudo transient
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
 
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8
 
64
1
61.2527
64.000
100.00%
128
2
122.8363
128.346
100.27%
256
4
245.0542
256.045
100.02%
512
8
486.1443
507.949
99.21%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

192
2
147.0513
192.000
100.00%
384
4
317.1224
414.056
107.83%
384
8
611.4650
798.370
103.95%
1536
16
1215.1899
1586.633
103.30%
3072
32
2225.3703
2905.592
94.58%
6144
64
4303.8605
5619.408
91.46%

External Flow over passenger sedan. The case has around 4 million cells of mixed type and uses a k-epsilon model with the pressure-based coupled solver.

Number of cells4,000,000
Cell typeMixed
ModelsStandard K-e Turbulence
SolverPressure based coupled solver, Green-Gauss cell based, steady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
9988.4393
64.000
100.00%
128
2
22296.7742
142.865
111.61%
256
4
51582.0896
330.507
129.10%
512
8
88615.3846
567.795
110.90%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
10601.2270
96.000
100.00%
192
2
21333.3333
193.185
100.62%
384
4
39724.1379
359.724
93.68%
768
8
67764.7059
613.647
79.90%

Flow through a combustor. The case has around 12 million Polyhedra cells and uses the Realizable K-e Turbulence, Species Transport model and the Pressure based coupled solver, Least Squares cell based, pseudo transient solver.

Number of cells12,000,000
Cell typePolyhedra
ModelsRealizable K-e Turbulence, Species Transport
SolverPressure based coupled solver, Least Squares cell based, pseudo transient

 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
397.0588
64.000
100.00%
128
2
801.6701
129.217
100.95%
256
4
1636.3636
263.758
103.03%
512
8
3191.1357
514.364
100.46%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
494.4206
96.000
100.00%
192
2
960.2667
186.452
97.11%
384
4
1850.1071
359.229
93.55%
768
8
3438.8060
667.701
86.94%
1536
16
5712.3967
1109.157
72.21%
3072
32
9442.6230
1833.443
59.68%

Flow through a combustor The case has around 71  million Hex-core cells and uses the LES, Species Non-Premixed Combustion, PDF, DPM model and the Pressure based coupled solver, Least Squares cell based, Unsteady solver.


Number of cells71,000,000
Cell typeHex-core
ModelsLES, Species Non-Premixed Combustion, PDF, DPM
SolverPressure based coupled solver, Least Squares cell based, Unsteady
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
38.7896
64.000
100.00%
128
2
79.5141
131.192
102.49%
256
4
160.7741
265.265
103.62%
512
8
331.4154
546.811
106.80%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
55.0354
96.000
100.00%
192
2
108.5836
189.406
98.65%
384
4
216.2703
377.247
98.24%
768
8
424.7788
740.955
96.48%
1536
16
831.5688
1450.532
94.44%
3072
32
1518.4534
2648.687
86.22%
6144
64
2626.1398
4580.859
74.56%

Flow through combustor. The case has around 16 million hexahedral cells and uses the LES, Partially Premixed Combustion, PDF model and the Pressure based segregated solver, Green Gauss cell based, Unsteady solver.

Number of cells16,000,000
Cell typehexahedral
ModelsPressure based segregated solver, Green Gauss cell based, Unsteady
SolverLES, Partially Premixed Combustion, PDF
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
742.6509
64.000
100.00%
128
2
1548.3871
133.437
104.25%
256
4
3076.9231
265.162
103.58%
512
8
5950.4132
512.793
100.15%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
708.3128
96.000
100.00%
192
2
1400.7782
189.852
98.88%
384
4
2851.4851
386.471
100.64%
768
8
5496.1832
744.916
96.99%
1536
16
10000.0000
2192.899
88.24%
3072
32
16179.7753
2192.899
71.38%
Transonic axial-flow in a rotor. The case has around 3 million hexahedral cells and uses the SST K-omega Turbulence model and the Pressure based coupled solver, Least Squares cell based, pseudo transient, sliding inerfaces.

Number of cells3,000,000
Cell typehexahedral
ModelsSST K-omega Turbulence
SolverPressure based coupled solver, Least Squares cell based, pseudo transient, sliding inerfaces
 

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8
 

 

64
1
8771.5736
64.000
100.00%
128
2
18094.2408
132.021
103.14%
256
4
36765.9574
268.255
104.79%
512
8
59586.2069
434.759
84.91%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
8727.2727
96.000
100.00%
192
2
17108.9109
188.198
98.02%
384
4
30315.7895
333.474
86.84%
768
8
43746.8354
481.215
62.66%

Vehicle Exhaust model. The case has around 33 million Mixed cells and uses the SST K-omega Turbulence model and the Pressure based coupled solver, Least Squares cell based, steady solver.

Number of cells33,000,000
Cell typeMixed
ModelsSST K-omega Turbulence
SolverPressure based coupled solver, Least Squares cell based, steady
 

Results

Results are listed alphabetically by platform. Download
Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
490.1432
64.000
100.00%
128
2
1015.5745
132.608
103.60%
256
4
2112.4694
275.834
107.75%
512
8
4419.4373
577.064
112.71%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
585.5642
96.000
100.00%
192
2
1156.6265
189.622
98.76%
384
4
2341.4634
383.870
99.97%
768
8
4589.6414
752.446
97.97%
1536
16
8661.6541
1420.030
92.45%
3072
32
15709.0909
2575.418
83.84%

Wave loading on oil rig. The case has around 7 million hexahedral cells and uses the VOF, SST K-omega Turbulence model and the Pressure based segregated solver, Green-Gauss cell based, unsteady solver.

Number of cells7,000,000
Cell typeMixed
ModelsVOF, SST K-omega Turbulence
SolverPressure based segregated solver, Green-Gauss cell based, unsteady

Results

Results are listed alphabetically by platform. Download

Last updated:  2021-06-09
 
PlatformCoresMachinesCore Solver
Rating
Core Solver
Speedup
Core Solver
Efficiency
AMD white box, EPYC 75F3, 2.95GHz, Dual-socket, HDR InfiniBand, Using Intel MPI 2019 Update 8

Download

64
1
1679.3003
64.000
100.00%
128
2
3263.4561
124.374
97.17%
256
4
6620.6897
252.322
98.56%
512
8
12521.7391
477.217
93.21%

Intel white box, Platinum 9242, 48 cores, 2.3 GHz, Dual-socket, HDR InfiniBand, using Fluent AVX2 binary

Download

96
1
1769.5853
96.000
100.00%
192
2
3622.6415
196.528
102.36%
384
4
6620.6897
359.172
93.53%
768
8
11184.4660
606.757
79.00%
1536
16
16695.6522
905.739
58.97%

Ansys Mechanical Benchmarks

This benchmark suite provides Ansys Mechanical hardware performance data measured using sets of benchmark problems selected to represent typical usage. The Ansys Mechanical benchmark cases range in size from 650,000 degrees of freedom to over 14 million degrees of freedom. The suite contains both PCG and Sparse equation solver benchmark cases as well as covering a wide variety of analysis types including static, transient, modal, cyclic symmetry modal and harmonic. Additionally, both thermal and structural physics are covered. These cases are used by hardware vendors to benchmark their hardware systems and the resulting performance data is then included in these pages. For further descriptions of benchmark problems, please go to the benchmark page related to the case you are interested in.

Ansys Mechanical Benchmarks 2019 R2

Transient nonlinear structural analysis of a electronic ball grid array
Analysis TypeStatic Nonlinear Structural
Number of Degrees of Freedom6,000,000
Equation SolverSparse
MatrixSymmetric

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
PlatformV19sp-5 RATINGS
Ansys Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.4416.234N/AN/A
8111.75N/AN/A
16118.06N/AN/A
32126.80N/AN/A
36127.66N/AN/A
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.4416.283N/AN/A
8111.78N/AN/A
16117.66N/AN/A
32124.35N/AN/A
36123.63N/AN/A
48127.45N/AN/A
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.4414.175N/AN/A
817.380N/AN/A
16111.11N/AN/A
32116.41N/AN/A
36115.31N/AN/A
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.4413.934N/AN/A
816.950N/AN/A
16110.64N/AN/A
32114.72N/AN/A
36114.77N/AN/A
Static structural analysis of an engine block without the internal components

Analysis TypeStatic Linear Structural
Number of Degrees of Freedom14,200,000
Equation SolverPCG
MatrixSymmetric
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
PlatformV19cg-3 RATINGS
Ansys Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.441125.7N/AN/A
81209.3N/AN/A
161417.2N/AN/A
321689.5N/AN/A
361620.2N/AN/A
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.441126.2N/AN/A
81210.6N/AN/A
161409.3N/AN/A
321635.3N/AN/A
361613.2N/AN/A
481761.2N/AN/A
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.441107.6N/AN/A
81173.3N/AN/A
161300.4N/AN/A
321487.3N/AN/A
361510.3N/AN/A
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.441102.3N/AN/A
81161.0N/AN/A
161284.1N/AN/A
321451.2N/AN/A
361460.1N/AN/A
Modal analysis of a transmission housing without the internal components

Analysis TypeModal Structural
Number of Degrees of Freedom7,700,000
Equation SolverPCG
MatrixSymmetric
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
PlatformV19ln-1 RATINGS
Ansys Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.44148.23N/AN/A
81124.9N/AN/A
161289.3N/AN/A
321496.6N/AN/A
361521.7N/AN/A
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.44151.07N/AN/A
81132.8N/AN/A
161306.3N/AN/A
321523.0N/AN/A
361475.0N/AN/A
481572.6N/AN/A
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44156.59N/AN/A
81133.3N/AN/A
161253.4N/AN/A
321362.3N/AN/A
361378.1N/AN/A
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44152.47N/AN/A
81125.0N/AN/A
161237.6N/AN/A
321324.1N/AN/A
361333.7N/AN/A

Static nonlinear thermal-electric coupled field analysis of a Pelletier cooling block.

Analysis TypeStatic Nonlinear Thermal-Electric Coupled Field
Number of Degrees of Freedom650,000
Equation SolverSparse
MatrixNon-symmetric (Unsymmetric)
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
 
PlatformV19sp-1 RATINGS
ANSYS Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver EfficiencySolution RatingSolution SpeedupSolution Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.441274.4N/AN/A   
81484.8N/AN/A   
161786.9N/AN/A   
3211096.4N/AN/A   
3611145.9N/AN/A   
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.441278.6N/AN/A   
81488.4N/AN/A   
161770.7N/AN/A   
3211002.3N/AN/A   
361984.1N/AN/A   
4811015.3N/AN/A   
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.441176.6N/AN/A   
81302.6N/AN/A   
161491.2N/AN/A   
321775.6N/AN/A   
361767.3N/AN/A   
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.441167.3N/AN/A   
81284.0N/AN/A   
161457.9N/AN/A   
321702.4N/AN/A   
361690.6N/AN/A   
Steady state thermal analysis of a power supply module

Analysis TypeSteady State Thermal
Number of Degrees of Freedom5,300,000
Equation SolverJCG
MatrixSymmetric
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
PlatformV19cg-1 RATINGS
Ansys Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.441112.5N/AN/A
81207.7N/AN/A
161384.9N/AN/A
321609.7N/AN/A
361614.9N/AN/A
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.441111.9N/AN/A
81202.3N/AN/A
161378.4N/AN/A
321592.2N/AN/A
361541.4N/AN/A
481676.1N/AN/A
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.441106.5N/AN/A
81187.1N/AN/A
161311.1N/AN/A
321427.1N/AN/A
361443.3N/AN/A
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44198.46N/AN/A
81172.9N/AN/A
161286.3N/AN/A
321369.4N/AN/A
361382.8N/AN/A
 

 

Cyclic symmetric modal analysis of a single blade of an impeller

Analysis TypeModal - Cyclic Symmetry, Structural
Number of Degrees of Freedom2,000,000
Equation SolverBlock Lanczos
MatrixSymmetric

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
 
PlatformV19ln-2 RATINGS
ANSYS Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver EfficiencySolution RatingSolution SpeedupSolution Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.441142.8N/AN/A   
81237.5N/AN/A   
161455.2N/AN/A   
321604.2N/AN/A   
361639.1N/AN/A   
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.441148.4N/AN/A   
81240.9N/AN/A   
161443.5N/AN/A   
321580.3N/AN/A   
361547.9N/AN/A   
481992.0N/AN/A   
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.441104.1N/AN/A   
81164.9N/AN/A   
161286.0N/AN/A   
321361.4N/AN/A   
361409.1N/AN/A   
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44199.98N/AN/A   
81155.8N/AN/A   
161276.0N/AN/A   
321327.9N/AN/A   
361364.2N/AN/A   

Transient nonlinear structural analysis of a submersible drilling rig


Analysis TypeTransient Nonlinear Structural
Number of Degrees of Freedom4,700,000
Equation SolverSparse
MatrixSymmetric

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
 
PlatformV19sp-2 RATINGS
ANSYS Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver EfficiencySolution RatingSolution SpeedupSolution Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.441118.7N/AN/A   
81194.4N/AN/A   
161324.7N/AN/A   
321536.3N/AN/A   
361552.1N/AN/A   
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.441120.6N/AN/A   
81195.8N/AN/A   
161312.7N/AN/A   
321507.9N/AN/A   
361490.1N/AN/A   
481566.9N/AN/A   
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44186.00N/AN/A   
81148.5N/AN/A   
161232.2N/AN/A   
321371.9N/AN/A   
361373.4N/AN/A   
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44180.48N/AN/A   
81137.7N/AN/A   
161221.3N/AN/A   
321339.5N/AN/A   
361339.8N/AN/A   

Harmonic structural analysis of a speaker and it's surroundings


Analysis TypeHarmonic Linear Structural
Number of Degrees of Freedom1,700,000
Equation SolverSparse
MatrixSymmetric
 
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
 
PlatformV19sp-3 RATINGS
ANSYS Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver EfficiencySolution RatingSolution SpeedupSolution Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.44113.27N/AN/A   
8122.96N/AN/A   
16136.84N/AN/A   
32152.76N/AN/A   
36154.17N/AN/A   
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.44113.34N/AN/A   
8122.98N/AN/A   
16135.81N/AN/A   
32147.80N/AN/A   
36147.02N/AN/A   
48152.13N/AN/A   
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.4418.544N/AN/A   
8114.15N/AN/A   
16122.04N/AN/A   
32133.39N/AN/A   
36134.91N/AN/A   
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.4418.136N/AN/A   
8113.38N/AN/A   
16120.88N/AN/A   
32131.00N/AN/A   
36131.82N/AN/A   
Static structural analysis of a farm tractor rear axle assemble

Analysis TypeStatic Linear Structural
Number of Degrees of Freedom12,300,000
Equation SolverPCG
MatrixSymmetric
 
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
PlatformV19cg-2 RATINGS
Ansys Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.44113.58N/AN/A
8146.64N/AN/A
161134.1N/AN/A
321284.9N/AN/A
361233.0N/AN/A
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.44115.64N/AN/A
8149.78N/AN/A
161140.2N/AN/A
321280.3N/AN/A
361244.3N/AN/A
481297.1N/AN/A
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44115.99N/AN/A
8155.70N/AN/A
161134.9N/AN/A
321258.5N/AN/A
361218.8N/AN/A
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.44114.04N/AN/A
8149.45N/AN/A
161125.3N/AN/A
321239.1N/AN/A
361202.9N/AN/A

Static nonlinear structural analysis of a turbine blade as found in aircraft engines


Analysis TypeStatic Nonlinear Structural
Number of Degrees of Freedom3,200,000
Equation SolverSparse
MatrixSymmetric
 
 

Plots

Results

Results are listed alphabetically by platform. Download

Last updated: 2020-01-30
 
PlatformV19sp-4 RATINGS
ANSYS Mechanical APDL
Version
CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver EfficiencySolution RatingSolution SpeedupSolution Efficiency
Intel Corporation Intel Xeon Gold 6254 Wolf Pass SP, Intel Xeon Gold 6254 (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 36 Total CPU Cores, 0 GPUs19.44110.45N/AN/A   
8118.25N/AN/A   
16133.33N/AN/A   
32148.00N/AN/A   
36148.57N/AN/A   
Intel Corporation Intel Xeon Platinum 8260 Wolf Pass SP, Intel Xeon Platinum 8260L (Cascade Lake) CPU, 192 GB RAM, CentOS Linux release 7.6.1810, none, DMP config, 48 Total CPU Cores, 0 GPUs19.44110.93N/AN/A   
8118.57N/AN/A   
16132.47N/AN/A   
32144.04N/AN/A   
36142.79N/AN/A   
48148.16N/AN/A   
Intel Corporation Intel Xeon E5-2697 v4 Grantley EP, Intel Xeon E5-2697 v4 (Broadwell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.4417.236N/AN/A   
8111.55N/AN/A   
16119.21N/AN/A   
32128.94N/AN/A   
36129.36N/AN/A   
Intel Corporation Intel Xeon E5-2699 v3 Wildcat Pass EP, Intel Xeon E5-2699 v3 (Haswell) CPU, 128 GB RAM, CentOS Linux release 7.6.1810 , none, DMP config, 36 Total CPU Cores, 0 GPUs19.4416.839N/AN/A   
8110.98N/AN/A   
16118.17N/AN/A   
32126.33N/AN/A   
36126.37N/AN/A   

Ansys Mechanical Benchmarks 19.0

      Static structural analysis of an engine block without the internal components

      Analysis TypeStatic Linear Structural
      Number of Degrees of Freedom14,200,000
      Equation SolverPCG
      MatrixSymmetric
       

      Plots


      Results

      Results are listed alphabetically by platform. Download

      Last updated: 2018-08-23

       

      PlatformV19cg-3 RATINGS
      Ansys Mechanical APDL
      Version
      CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
      Lenovo ThinkStation P520, W-2195 CPU, 256 GB GB RAM, Windows 10, None, DMP config, 18 Total CPU Cores, 0 GPUs

      19.0181319.3N/AN/A
      Lenovo ThinkStation P520, W-2195 CPU, 256 GB GB RAM, Windows 10, NVIDIA GP100, DMP config, 18 Total CPU Cores, 1 GPUs

      19.0181319.6N/AN/A
      Lenovo ThinkStation P920, 2x Gold 6154 CPU, 384 GB RAM, Windows 10 16299, none, DMP config, 36 Total CPU Cores, 0 GPUs

      19.0361668.2N/AN/A
      Intel Corporation Intel Xeon Gold 6148 Whitebox, Intel Xeon Gold 6148 CPU, 192 GB RAM, Oracle Linux Server 7.5, none, DMP config, 40 Total CPU Cores, 0 GPUs

      19.11126.781.0000100.00%
      2162.432.331116.6%
      41119.04.442111.1%
      81194.07.24590.56%
      161376.314.0587.82%
      241461.317.2271.77%
      321585.021.8468.26%
      401628.423.4658.66%
      Intel Corporation Intel Xeon Gold 6148 Whitebox, Intel Xeon Gold 6148 CPU, 3072 GB RAM, Oracle Linux Server 7.5, none, DMP config, 512 Total CPU Cores, 0 GPUs

      19.1321580.3N/AN/A
      642964.3N/AN/A
      12841337.5N/AN/A
      25681618.0N/AN/A
      512161421.1N/AN/A
      Intel Corporation Intel Xeon E5-2697 v4 whitebox, Intel Xeon E5-2697 v4 CPU, 128 GB RAM, Oracle Linux Server 7.5, none, DMP config, 36 Total CPU Cores, 0 GPUs

      19.11126.471.000100.0%
      2160.112.271113.5%
      41111.14.195104.9%
      81174.66.59482.43%
      161301.411.3871.15%
      241391.114.7761.56%
      321494.618.6858.38%
      361495.118.7051.95%
      Steady state thermal analysis of a power supply module

      Analysis TypeSteady State Thermal
      Number of Degrees of Freedom5,300,000
      Equation SolverJCG
      MatrixSymmetric
       

      Plots


      Results

      Results are listed alphabetically by platform. Download

      Last updated: 2018-08-28

       

      PlatformV19cg-1 RATINGS
      Ansys Mechanical APDL
      Version
      CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
      Lenovo ThinkStation P520, W-2195 CPU, 256 GB GB RAM, Windows 10, None, DMP config, 18 Total CPU Cores, 0 GPUs

      19.0181275.5N/AN/A
      Lenovo ThinkStation P520, W-2195 CPU, 256 GB GB RAM, Windows 10, NVIDIA GP100, DMP config, 18 Total CPU Cores, 1 GPUs

      19.0181579.1N/AN/A
      Lenovo ThinkStation P920, 2x Gold 6154 CPU, 384 GB RAM, Windows 10 16299, none, DMP config, 36 Total CPU Cores, 0 GPUs

      19.0361398.9N/AN/A
      Intel Corporation Intel Xeon Gold 6148 Whitebox, Intel Xeon Gold 6148 CPU, 192 GB RAM, Oracle Linux Server 7.5, none, DMP config, 40 Total CPU Cores, 0 GPUs

      19.11144.271.0000100.00%
      2178.571.77588.74%
      41110.02.48562.13%
      81203.34.59357.41%
      161357.88.08150.50%
      241489.011.0446.02%
      321575.613.0040.63%
      401630.214.2335.59%
      Intel Corporation Intel Xeon Gold 6148 Whitebox, Intel Xeon Gold 6148 CPU, 3072 GB RAM, Oracle Linux Server 7.5, none, DMP config, 512 Total CPU Cores, 0 GPUs

      19.1321577.9N/AN/A
      6421061.4N/AN/A
      12841862.1N/AN/A
      25683483.9N/AN/A
      512165400.0N/AN/A
      Intel Corporation Intel Xeon E5-2697 v4 whitebox, Intel Xeon E5-2697 v4 CPU, 128 GB RAM, Oracle Linux Server 7.5, none, DMP config, 36 Total CPU Cores, 0 GPUs

      19.11138.311.000100.0%
      2170.441.83991.94%
      41102.62.67866.94%
      81182.64.76759.59%
      161310.58.10350.65%
      241384.910.0541.86%
      321456.711.9237.25%
      361470.312.2834.10%
       

       
      Static structural analysis of a farm tractor rear axle assemble

      Analysis TypeStatic Linear Structural
      Number of Degrees of Freedom12,300,000
      Equation SolverPCG
      MatrixSymmetric
       
       

      Plots

      Results

      Results are listed alphabetically by platform. Download

      Last updated: 2017-08-28

       

      PlatformV19cg-2 RATINGS
      Ansys Mechanical APDL
      Version
      CPUs or CoresMachines or BlocksCore Solver RatingCore Solver SpeedupCore Solver Efficiency
      Lenovo ThinkStation P520, W-2195 CPU, 256 GB GB RAM, Windows 10, None, DMP config, 18 Total CPU Cores, 0 GPUs

      19.0181364.4N/AN/A
      Lenovo ThinkStation P520, W-2195 CPU, 256 GB GB RAM, Windows 10, NVIDIA GP100, DMP config, 18 Total CPU Cores, 1 GPUs

      19.0181388.5N/AN/A
      Lenovo ThinkStation P920, 2x Gold 6154 CPU, 384 GB RAM, Windows 10 16299, none, DMP config, 36 Total CPU Cores, 0 GPUs

      19.0361426.2N/AN/A
      Intel Corporation Intel Xeon Gold 6148 Whitebox, Intel Xeon Gold 6148 CPU, 192 GB RAM, Oracle Linux Server 7.5, none, DMP config, 40 Total CPU Cores, 0 GPUs

      19.11148.201.0000100.00%
      2173.161.51875.88%
      41148.43.07876.94%
      81285.45.92174.02%
      161469.19.73160.82%
      241462.09.58539.94%
      321602.912.5139.09%
      401605.512.5631.40%
      Intel Corporation Intel Xeon Gold 6148 Whitebox, Intel Xeon Gold 6148 CPU, 3072 GB RAM, Oracle Linux Server 7.5, none, DMP config, 512 Total CPU Cores, 0 GPUs

      19.1321590.6N/AN/A
      642792.7N/AN/A
      1284841.3N/AN/A
      2568879.8N/AN/A
      51216856.3N/AN/A
      Intel Corporation Intel Xeon E5-2697 v4 whitebox, Intel Xeon E5-2697 v4 CPU, 128 GB RAM, Oracle Linux Server 7.5, none, DMP config, 36 Total CPU Cores, 0 GPUs

      19.11143.391.000100.0%
      2174.141.70985.45%
      41140.53.23880.95%
      81241.55.56669.57%
      161375.08.64354.02%
      241376.68.68136.17%
      321460.110.6033.14%
      361415.29.56926.58%

       

      Benchmarking Terminology

      Rating

      Rating is the primary metric used to report performance results of the benchmarks. It is defined as the number of benchmarks that can be run on a given machine (in sequence) in a 24 hour period. It is computed by dividing the number of seconds in a day (86400 seconds) by the number of seconds required to run the benchmark. A higher rating means faster performance.

      Speedup

      Speedup is the ratio of wall-clock time required to complete a given calculation using a single processor to that of the equivalent calculation performed on a concurrent machine. Its value ranges from 1 to the number of processors used for the parallel run. When the speedup is equal to the number of processors used, the speedup is called perfect or linear. Sometimes the speedup will exceed the number of processors. This is referred to as super-linear speedup, and is often caused by the availability and use of larger amounts of "fast" memory (e.g. cache or local memory) compared to the single processor run.

      Efficiency

      Efficiency is the speedup normalized by the number of processors used, presented as a percentage. It indicates the overall utilization of the CPUs during a parallel calculation. An efficiency of 100% indicates that each CPU is completely occupied with computation during the course of a run, and corresponds to a linear speedup. An efficiency of 60% indicates that each CPU is performing useful computation only 60% of the time. The remaining time is spent waiting for other functions, such as parallel communication or work on other processors, to complete.

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