Benchmarks STAR-CD V3200

S-Bend DATASET

Run to convergence (~441 ITERATIONS)
Linear solver: SCALAR-CGS
Solution method: STEADY STATE

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Cells	Mesh	Linear Solver	Description
250,000	HEXAHEDRAL	SCALAR-CGS	AIR FLOW IN AN S-BEND

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	57.52	16.97	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	8	116.32	8.39	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	4	226.76	4.30	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Single Core AMD-252 2.6 GHz	1	976.15	1.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, direct-connect technology
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	64	22.18	49.63	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	32	36.90	29.83	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	16	72.96	15.08	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	8	157.6	6.98	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	4	311.82	3.53	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron Dual Core AMD-275 2.2 GHz	1	1100.89	1.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports, single fabric, Fat tree
CRAY XD1, Opteron 248 Single Core 2.2 GHz	64	21.55	48.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	32	34.52	29.71	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	16	69.41	14.90	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	8	135.72	7.62	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	4	255.51	4.05	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
CRAY XD1, Opteron 248 Single Core 2.2 GHz	1	1034.60	1.00	CRAY XD1 RapidArray interconnect 1 RAP, 2 ports
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	64 (16x4)	28.94	22.11	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	32 (8x4)	42.29	15.13	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	16 (4x4)	51.71	12.37	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	8 (2x4)	114.55	5.59	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	4 (1x4)	252.26	2.59	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	2 (1x2)	338.11	1.89	HPMPI 2.2.5, Voltaire IB
NEC Express 5800 Woodcrest (2xDual Core 3.0 GHz/Node)	1 (1x1)	639.83	1.00	HPMPI 2.2.5, Voltaire IB
SUN X2100-CLUSTER OPTERON 2.6 GHz	8	225.40	3.80	Gigabit Ethernet/LAM
SUN X2100-CLUSTER OPTERON 2.6 GHz	4	304.05	2.82	Gigabit Ethernet/LAM
SUN X2100-CLUSTER OPTERON 2.6 GHz	2	455.22	1.88	Gigabit Ethernet/LAM
SUN X2100-CLUSTER OPTERON 2.6 GHz	1	857.98	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.