Accelerating Relevance-Vector-Machine-Based Classification of Hyperspectral Image with Parallel Computing

Table 6

The cost (seconds) and speedup ratio (in parenthesis) of pRVM-MatOp on multicore platforms.

Data set	Data size	Two-core server		Four-core workstation
		1 Core	2 Cores	1 Core	4 Cores
DS-A	848 (20%)	21.5	16.5 (1.30)	22.7	15.2 (1.49)
DS-B	1697 (40%)	147.4	113.9 (1.29)	152.8	86.3 (1.77)
DS-C	2546 (60%)	409.7	312.3 (1.31)	427.4	207.5 (2.06)
DS-D	3395 (80%)	832.5	634.1 (1.31)	868.5	366.5 (2.37)
DS-E	4244 (100%)	1354.9	1028.3 (1.32)	1413.5	559.3 (2.53)