Table 1.

Systems Setup.

Personal Computer
OS	CentOS 6.2
CPU	1 × Intel(R) Xeon(R) CPU E5645 processor
Memory	2 × 2 GB DDR3 1333
GPU	4 × NVIDIA GeForce GTX 480
Graphics driver	NVIDIA device driver Version 295.41

Intel(R) Xeon(R) CPU E5645
Core family	6
No. of cores	6
Core clock	2.4 GHz

NVIDIA GeForce GTX 480
Compute architecture	Fermi
No. of CUDA cores	480
Core clock	1.4 GHz
Global memory	1,536 MB GDDR5
No. of kernels run concurrency	16