Parallel Attribute Reduction Algorithm for Complex Heterogeneous Data Using MapReduce

Table 5

Average computational time of two algorithms ().

Dataset	Algorithm	Number of nodes
		1	2	3	4	5	6	7	8
DS1	PARA_NMG	14,958	8499	6420	4953	4132	3596	3317	2968
	PAAR_PR	1724	894	607	492	418	364	312	272
DS2	PARA_NMG	55,423	28,717	19,515	17,820	14,031	11,996	10,226	8854
	PAAR_PR	8732	4961	3731	2960	2591	2140	2003	1815
DS3	PARA_NMG	64,035	34,992	24,820	19,583	16,504	14,927	13,481	12,338
DS4	PARA_NMG	16,006	8559	6428	4694	3942	3572	3163	2663
DS5	PARA_NMG	13,226	6961	4863	4032	3157	2738	2458	2249
DS6	PARA_NMG	21,371	11,264	7714	6333	5304	4847	3961	3533
	PAAR_PR	2091	1384	1124	987	816	723	651	624