A Heterogeneous System Based on Latent Semantic Analysis Using GPU and Multi-CPU

Table 1

Subsets used in the experiments for the hLSA system.

Number of documents	Number of words	Number of unique words	Number of elements in matrix	Size of matrix; (Mb)
500	13856	6819	3,409,500	27
750	18194	9039	6,779,250	54
1000	22107	11026	11,026,000	88
1250	25264	12587	15,733,750	126
1500	28251	14066	21,099,000	169
1750	31282	15596	27,293,000	218
2000	34024	16990	33,980,000	272
2500	39239	19650	49,125,000	393
3000	44114	22039	66,117,000	529
3500	48622	24284	84,994,000	680
4000	53003	26373	105,492,000	844
5000	61466	30273	151,365,000	1211