Programming Parallel Computers

Aalto 2023

Contest

Task Rank Time Instr.
× 109
Cycles
× 109
GHz Threads Lines
of code
Nickname
Pre0 1 0.000315 0.000254 0.00113 3.66 0.98 57 kqlski
2 0.000334 0.00225 0.00087 2.67 0.98 38 rv
3 0.000370 0.00070 0.00097 2.67 0.98 37 hltk
10 0.00051 0.00201 0.00134 2.68 0.99 37
CP1 1 3.04 14.3 13.5 4.46 1.00 98 pakettiale
2 3.44 26.2 15.4 4.47 1.00 54 npc-1
3 3.76 26.4 16.8 4.47 1.00 115 v_adder
10 7.12 56.3 31.9 4.48 1.00 28
CP2a 1 2.11 24.4 9.42 4.46 1.00 87 deepen9616
2 2.14 26.2 9.60 4.48 1.00 78 Waido
3 2.16 24.3 9.67 4.48 1.00 63 tuomas
10 2.91 39.8 13.0 4.48 1.00 57
CP2b 1 0.367 26.5 26.5 4.00 18.1 71 Tianxing
2 0.406 56.3 32.7 4.04 19.9 33 rv
3 0.409 48.2 32.8 4.04 19.9 117 vili2k
10 0.430 40.3 35.4 4.11 20.0 49
CP2c 1 1.42 3.67 4.93 3.47 1.00 236 Jaakko
2 1.61 8.23 6.38 3.97 1.00 88 vime
3 1.79 16.4 7.97 4.45 1.00 103 Tianxing
10 2.67 7.30 10.6 3.98 1.00 54
CP3a 1 1.18 88.5 74.2 3.26 19.2 137 UnoK
2 1.22 83.5 75.7 3.22 19.2 233 Juho
3 1.34 78.6 68.5 3.29 15.5 222 novice
10 2.00 124 96.3 3.32 14.6 457
CP3b 1 0.61 44.0 38.3 3.23 19.3 135 UnoK
2 0.64 48.7 39.9 3.23 19.3 221 Juho
3 0.70 42.1 40.9 3.29 17.8 683 nanohenry
10 0.90 100 61.7 3.66 18.9 211
CP4 1 0.0170 0.093 0.067 3.92 1.00 137 samuliohman
2 0.0177 0.0396 0.0292 1.65 1.00 134 novice
3 0.0470 0.429 0.204 4.34 1.00 115 Ville
10 0.094 0.87 0.405 4.32 1.00 86
CP5 1 0.209 1.53 0.82 3.94 1.00 214 hltk
2 0.210 1.54 0.83 3.94 1.00 185 heinonen
3 0.219 1.59 0.83 3.85 0.99 155 abzukka
10 0.241 1.88 0.96 3.98 1.00 211
CP9a 1 1.42 72.4 73.6 2.92 17.7 225 UnoK
2 1.97 83.1 139 3.74 18.9 234 KW
3 2.01 157 132 3.48 18.9 1466 Angel
IS4 1 0.198 17.1 13.4 3.40 19.9 277 UnoK
2 0.244 19.1 16.2 3.37 19.7 359 abzukka
3 0.298 19.8 19.9 3.37 19.9 268 Erald
10 1.46 129 111 3.79 20.0 127
IS6a 1 0.269 22.8 17.6 3.28 19.9 247 UnoK
2 0.279 25.2 18.0 3.24 19.9 343 abzukka
3 0.372 36.9 24.1 3.26 19.9 241 Erald
10 0.73 57.4 54.3 3.71 20.0 157
IS6b 1 0.197 2.10 0.88 4.45 1.00 181 UnoK
2 0.219 2.33 0.97 4.45 1.00 229 abzukka
3 0.232 2.44 1.02 4.42 1.00 185 ssssssss
10 0.269 2.74 1.18 4.38 1.00 220
IS9a 1 0.085 3.54 3.34 2.49 15.7 373 ht
2 0.470 46.4 28.1 3.61 16.6 216 UnoK
MF1 1 6.80 17.4 30.5 4.48 1.00 61 Maaria
2 6.82 16.9 30.6 4.48 1.00 44 hltk
3 6.85 17.7 30.7 4.48 1.00 45 Joy
10 6.94 19.0 31.1 4.48 1.00 55
MF2 1 0.477 18.3 40.6 4.26 20.0 56 Miki
2 0.477 19.4 40.6 4.26 20.0 38 jriks
3 0.480 18.5 40.7 4.26 19.9 32 asdfg
10 0.492 21.1 41.6 4.24 20.0 63
MF9a 1 0.79 100.0 64.4 4.18 19.5 215 Juho
2 0.82 52.2 60.2 3.71 19.8 147 UnoK
SO4 1 0.428 16.4 21.3 3.67 13.5 117 Juho
2 0.446 15.6 27.3 3.81 16.1 230 Long
3 0.467 16.2 18.7 3.63 11.0 110 Miki
10 0.77 17.6 15.3 3.69 5.39 74
SO5 1 0.421 18.1 21.4 3.93 13.0 71 ㅤㅤㅤㅤ
2 0.436 22.0 21.6 3.93 12.6 71 zbyju
3 0.452 16.3 32.9 3.91 18.6 123 UnoK
10 0.486 21.3 23.7 3.97 12.3 35
SO6 1 0.57 4.21 2.25 4.05 0.97 106 UnoK
2 0.60 4.85 2.55 4.26 1.00 134 abzukka
3 0.63 5.24 2.76 4.38 1.00 131 Joonatan
10 1.16 10.9 4.95 4.28 0.99 342

✓ = already graded

Contest points

All correct submissions to the following tasks take part in the contest and you can earn extra points! When the course closes, we will compare your solution with the fastest correct solution that we received this year. If your running time is close to the fastest running time, you will get extra points as follows:

Task Running time Current Points
CP3a ≤ 1.20 × fastest = 1.20 × 1.18 s = 1.42 s 1
≤ 1.05 × fastest = 1.05 × 1.18 s = 1.24 s 2
CP3b ≤ 1.20 × fastest = 1.20 × 0.61 s = 0.74 s 1
≤ 1.05 × fastest = 1.05 × 0.61 s = 0.64 s 2
CP5 ≤ 1.20 × fastest = 1.20 × 0.209 s = 0.251 s 1
≤ 1.05 × fastest = 1.05 × 0.209 s = 0.219 s 2
IS4 ≤ 1.20 × fastest = 1.20 × 0.198 s = 0.238 s 1
≤ 1.05 × fastest = 1.05 × 0.198 s = 0.208 s 2
IS6a ≤ 1.20 × fastest = 1.20 × 0.269 s = 0.323 s 1
≤ 1.05 × fastest = 1.05 × 0.269 s = 0.283 s 2
IS6b ≤ 1.20 × fastest = 1.20 × 0.197 s = 0.236 s 1
≤ 1.05 × fastest = 1.05 × 0.197 s = 0.207 s 2
SO4 ≤ 1.20 × fastest = 1.20 × 0.428 s = 0.51 s 1
≤ 1.10 × fastest = 1.10 × 0.428 s = 0.470 s 2
SO5 ≤ 1.20 × fastest = 1.20 × 0.421 s = 0.51 s 1
≤ 1.10 × fastest = 1.10 × 0.421 s = 0.463 s 2
SO6 ≤ 1.20 × fastest = 1.20 × 0.57 s = 0.69 s 1
≤ 1.05 × fastest = 1.05 × 0.57 s = 0.60 s 2

Here “Current” is our current estimate of the threshold based on the submissions we have got, but please note that it will change over time as we receive and grade new solutions!

Contest rules

You do not need to do anything special to benefit from the contest points; they will be calculated automatically when the course closes.

Late submissions and resubmissions are fine! You can improve your solutions still during the last week of the course, and they are eligible for the extra points from the contest!

Only fully correct solutions count in the contest: you must have a successful submission.