Table 3.
Problem size (n+) | Quartic algorithm:compute all D-values | Thresholded algorithm |
---|---|---|
8 | 0.05 s | 0.07 s |
16 | 0.19 s | 0.15 s |
32 | 0.92 s | 0.36 s |
64 | 6.16 s | 0.61 s |
128 | 53.15 s | 2.35 s |
256 | 689.18 s | 5.93 s |
512 | 7864.20 s | 19.54 s |
1024 | > 1 d | 85.76 s |
Run time comparison of simple quartic Ternary Dot Product Distribution algorithm to thresholded version for an increasing family of problems with (n+, n-, n0, q+, q-) in the ratio (1, 1, 50, 2, 1), a typical usage scenario. Runs were performed on a 3.0 GHz Intel Xeon processor with 2 MB cache.