CD-adapco, STAR-CD Product Benchmarks

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Benchmarks Home

Small Cases:
Engine Block
S-Bend
Car Interior

Medium Cases:
Aerodynamic Body
Concept Car
Space Shuttle

Large Cases:
A-Class
Large A-Class

Benchmarks STAR-CD V3200

CAR INTERIOR - INTERNAL AIRFLOW

Run to convergence (~305 ITERATIONS)
Linear solver: SCALAR-CGS
Convergence Criteria 1.0E-1
Solution method: STEADY STATE

Click on Icon for Larger Graphic of Geometry

Cells	Mesh	Iterations	Solver	Solution
261,838	Hexahedral	~305 (Conv)	CGS	Steady

PERFORMANCE TABLES

CRAY

NEC

SUN

PARALLEL PLOTS ELAPSED TIMES (LOG-SCALE)

CRAY

NEC

SUN

PARALLEL PLOTS SCALE-FACTORS (LOG-SCALE)

CRAY

NEC

SUN

RANKING BY ALPHABETICAL ORDER OF VENDOR NAME

System	No of Procs (NxP)	Elapsed Time (Secs)	Speedup Factor	Comments/Notes

CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	16	58.28	16.35	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	8	115.41	8.25	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	4	233.99	4.07	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	1	952.79	1.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology

CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	32	32.90	29.80	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	16	68.46	14.32	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	8	146.98	6.67	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	4	307.96	3.18	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	1	980.59	1.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree

CRAY XD1, Opteron 248 Single Core 2.2 GHz	32	34.82	34.51	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	16	68.26	17.60	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	8	136.49	8.80	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	4	279.15	4.30	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	1	1201.70	1.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports

NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	64 (16x4)	20.88	31.68	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	32 (8x4)	29.61	22.34	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	16 (4x4)	51.51	12.84	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	8 (2x4)	113.49	5.83	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	4 (1x4)	255.30	2.59	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	2 (1x2)	350.50	1.89	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	1 (1x1)	661.46	1.00	HPMPI 2.2.5, Voltaire IB

SUN X2100-CLUSTER OPTERON 2.6 GHz	8	203.00	4.20	Gigabit Ethernet/LAM
SUN X2100-CLUSTER OPTERON 2.6 GHz	4	253.08	3.37	Gigabit Ethernet/LAM
SUN X2100-CLUSTER OPTERON 2.6 GHz	2	496.99	1.71	Gigabit Ethernet/LAM
SUN X2100-CLUSTER OPTERON 2.6 GHz	1	853.72	1.00	Gigabit Ethernet/LAM

DISCLAIMER
The data reported here has been supplied by the vendors of the respective hardware platforms listed, and though checked by the CD-adapco, we can make no warranties, implied or otherwise, with regard to the accuracy of the data. In addition the CD-adapco makes no recommendations as to the suitability or preference of one hardware platform over another with regards to STAR-CD or any other CD-adapco product.