Implementation and Optimization of a CFD Solver Using Overlapped Meshes on Multiple MIC Coprocessors

Table 3

Wall clock times for and (in seconds).

NT
	Scatter	Balanced	Compact	Scatter	Balanced	Compact
4	0.988 (1.0x)	0.988 (1.0x)	2.424 (1.0x)	1.404 (1.0x)	1.404 (1.0x)	2.736 (1.0x)
8	0.508 (1.94x)	0.508 (1.94x)	1.256 (1.93x)	0.716 (1.96x)	0.714 (1.97x)	1.436 (1.91x)
16	0.280 (3.53x)	0.282 (3.50x)	0.664 (3.65x)	0.408 (3.44x)	0.407 (3.45x)	0.804 (3.4x)
32	0.164 (6.02x)	0.166 (5.95x)	0.368 (6.59x)	0.260 (5.4x)	0.264 (5.32x)	0.464 (5.90x)
59	0.140 (7.06x)	0.139 (7.11x)	0.232 (10.4x)	0.200 (7.02x)	0.202 (6.95x)	0.283 (9.67x)
118	0.156 (6.33x)	0.152 (6.5x)	0.196 (12.4x)	0.200 (7.02x)	0.199 (7.06x)	0.228 (12.0x)
CPU time	0.56 (3.68x)			0.572 (2.87x)

NT : number of threads.