Table 2 Performance comparison of MCWT-C and MCWT-SG in terms of executing time
Scale | MCWT-C(s) | MCWT-SG-C(s) | Speedup | MCWT-SG-O(s) | Speedup |
|---|---|---|---|---|---|
Computer#1 (GTX580) | |||||
   10 | 4,513 | 486 | 9.3 | 47 | 96.0 |
   20 | 8,719 | 702 | 12.4 | 77 | 113.2 |
   30 | 12,938 | 1,024 | 12.6 | 108 | 119.8 |
   40 | 17,160 | 1,568 | 11.0 | 136 | 126.2 |
   50 | 21,244 | 1,924 | 11.0 | 167 | 127.2 |
   60 | 25,067 | 2,419 | 10.4 | 198 | 126.6 |
   70 | 29,039 | 2,871 | 10.1 | 230 | 126.3 |
Computer#2 (Tesla C2050) | |||||
   10 | 2,342 | 292 | 8.0 | 71 | 32.9 |
   20 | 4,611 | 570 | 8.1 | 144 | 32.1 |
   30 | 6,937 | 939 | 7.4 | 202 | 34.3 |
   40 | 9,357 | 1,344 | 7.0 | 267 | 35.1 |
   50 | 11,654 | 1,795 | 6.5 | 330 | 35.3 |
   60 | 13,991 | 2,216 | 6.3 | 388 | 36.1 |
   70 | 16,328 | 2,702 | 6.1 | 455 | 35.9 |
Computer#3 (GTX680) | |||||
   10 | 2,987 | 228 | 13.1 | 39 | 76.6 |
   20 | 5,876 | 516 | 11.4 | 67 | 87.7 |
   30 | 8,753 | 951 | 9.2 | 94 | 93.1 |
   40 | 11,619 | 1,345 | 8.6 | 121 | 96.1 |
   50 | 14,375 | 1,774 | 8.1 | 149 | 96.5 |
   60 | 17,109 | 2,253 | 7.6 | 178 | 96.1 |
   70 | 20,508 | 2,719 | 7.5 | 206 | 99.6 |