[Retracted] Research on the Social Security and Elderly Care System under the Background of Big Data

Table 5

Performance of SMT and SLMG optimization measures.

Matrix size	CRMM	CRMM with SMT	CRMM with SMT and SLMT	Spark MLlib
20k × 20k × 20k	131	82	75	397
25k × 25k × 25k	314	138	129	904
30k × 30k × 30k	580	202	217	1751
35k × 35k × 35k	931	352	331	NA
40k × 40k × 40k	1795	671	468	NA

Experimental data unit: second; NA means failure to complete the calculation within 2500 seconds.