SpMV_Struct_Benchmarks

Structured SpMV algorithms performance

This page gathers instructions and references to conduct performance tests of the spmv_struct algorithms in Kokkos-Kernels.

GPU performance

K80

The first table shows the comparison of performance on 2D problems using FD (5pt) and FE (9pt) stencils

Matrix size	FD Struct	FD Unstr	FE Struct	FD Unstr
50	0.03615	0.02654	0.03738	0.02720
100	0.04266	0.03411	0.04668	0.04069
150	0.05323	0.05426	0.06753	0.07118
225	0.07749	0.09979	0.10876	0.12682
300	0.10972	0.15491	0.16904	0.20675
400	0.16881	0.25213	0.26955	0.33847
1,000	0.88039	1.42716	1.55607	1.86464
2,000	3.30934	4.35175	5.36563	5.63246

P100

The first table shows the comparison of performance on 2D problems using FD (5pt) and FE (9pt) stencils

Matrix size	FD Struct	FD Unstr	FE Struct	FD Unstr
50	0.02639	0.02654
100	0.02071	0.01825
150	0.02959	0.04015
225	0.02780	0.02477
300	0.03654	0.06123
400	0.04875	0.09654
1,000	0.20233	0.53389
2,000	0.74472	2.10274

V100