55 Cell h60vg3

Partitioning (ParMETIS and RCB-1D) with port element grouping

NERSC IBM SP3 for 1.0 ns runtime

# of Processors	ParMETIS Max Adj. Procs	ParMETIS Speedup	ParMETIS Runtime	RCB-1D Runtime	RCB-1D Speedup	RCB-1D Max Adj. Procs
8	2	8/8	3856.2*	3826.5*	8/8	2
16	3	7.2/16	4257.0	2405.4		2
32	3	14.3/32	2158.3	1820.7		2
64	7	31.0/64	995.1*	889.3		3
128	7	47.5/128	649.6	599.0		6
256	9	69.7/256	442.9*	516.5		11
512	12	70.4/256	438.1*	531.1		21

Partitioning (ParMETIS and RCB-1D) without port element grouping

NERSC IBM SP3 for 1.0 ns runtime

# of Processors	ParMETIS Max Adj. Procs	ParMETIS Speedup	ParMETIS Runtime	RCB-1D Runtime	RCB-1D Speedup	RCB-1D Max Adj. Procs
8	2		3930.7*	3898.6*		2
16	3		2703.3*	2458.5*		2
32	4		1455.0	1236.6		2
64	4		736.6	627.2		2
128	10		643.0	265.1		2
256	11		360.0	129.2		2
512	14		292.1	92.3		4
1024	16		327.5*	99.0*		8