Programming Parallel Computers

Open 2024b

Contest

Task Rank Time Instr.
× 109
Cycles
× 109
GHz Threads Lines
of code
Nickname
Pre0 1 0.00063 0.00251 0.00131 2.08 0.99 30 jetohat
2 0.00064 0.00201 0.00130 2.03 0.99 28 N.A.
3 0.00065 0.00201 0.00128 1.97 1.00 49 MMT
10 0.00096 0.00201 0.00114 1.19 0.99 33
CP1 1 5.91 58.9 26.5 4.48 1.00 115 jetohat
2 7.15 64.2 32.0 4.47 1.00 43 Samvher
3 7.16 64.3 32.1 4.48 1.00 49 SirR
10 7.43 40.2 33.2 4.47 1.00 47
CP2a 1 2.92 39.9 13.0 4.46 1.00 83 Samvher
2 3.02 47.6 13.4 4.46 1.00 127 jetohat
3 3.62 34.2 16.2 4.48 1.00 77 KnightOfTheRoundFace
CP2b 1 0.300 21.4 24.1 4.03 19.9 94 tr
2 0.334 21.4 25.4 4.01 18.9 98 aleloi
3 0.412 56.2 32.8 3.98 19.9 46 Samvher
CP2c 1 1.04 6.73 4.07 3.92 1.00 142 jetohat
2 2.60 7.38 10.3 3.98 1.00 81 Samvher
3 2.75 8.37 10.9 3.96 1.00 95 aleloi
CP3a 1 1.36 85.2 73.3 3.31 16.3 191 Samvher
2 4.14 181 223 3.39 15.9 172 jetohat
3 6.76 641 475 3.77 18.7 165 MMT
CP3b 1 0.71 45.6 40.7 3.27 17.5 246 Samvher
2 1.92 104 93.3 3.38 14.4 199 jetohat
3 3.48 266 265 3.82 20.0 227 lzrhahaha
CP4 1 0.094 0.63 0.327 3.46 1.00 142 Samvher
2 0.196 1.68 0.79 4.01 1.00 91 T
CP5 1 0.310 2.63 1.29 4.16 1.00 170 Samvher
2 7.43 77.2 33.2 4.46 1.00 91 T
IS2 1 0.0298 0.109 0.053 1.78 1.00 104 jetohat
2 0.0310 0.092 0.0433 1.40 1.00 109 Samvher
3 0.0489 0.147 0.071 1.45 1.00 86 SirR
IS4 1 0.344 29.9 21.9 3.26 19.5 158 Samvher
2 1.96 191 147 3.76 19.9 112 jetohat
IS6a 1 0.363 45.9 25.1 3.50 19.6 154 Samvher
2 0.77 43.3 51.1 3.36 19.7 174 jetohat
IS6b 1 0.248 2.17 0.99 4.01 1.00 206 Samvher
MF1 1 3.82 10.4 17.0 4.46 1.00 122 jetohat
2 7.71 30.8 34.5 4.47 1.00 45 Samvher
3 7.78 28.4 34.9 4.48 1.00 43 dsorvq
MF2 1 0.53 26.6 43.6 4.12 19.9 51 Samvher
2 0.54 26.4 44.5 4.12 19.9 45 T
3 0.57 23.0 47.0 4.16 19.9 66 tr
SO4 1 0.60 17.3 35.1 3.84 15.3 62 Samvher
2 1.29 22.4 30.5 3.67 6.45 60 T
SO5 1 0.425 19.6 23.5 3.95 14.0 51 Samvher
SO6 1 0.86 7.62 3.75 4.36 1.00 349 Samvher

✓ = 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 × 1.36 s = 1.63 s 1
≤ 1.05 × fastest = 1.05 × 1.36 s = 1.43 s 2
CP3b ≤ 1.20 × fastest = 1.20 × 0.71 s = 0.85 s 1
≤ 1.05 × fastest = 1.05 × 0.71 s = 0.75 s 2
CP5 ≤ 1.20 × fastest = 1.20 × 0.310 s = 0.372 s 1
≤ 1.05 × fastest = 1.05 × 0.310 s = 0.326 s 2
IS4 ≤ 1.20 × fastest = 1.20 × 0.344 s = 0.413 s 1
≤ 1.05 × fastest = 1.05 × 0.344 s = 0.361 s 2
IS6a ≤ 1.20 × fastest = 1.20 × 0.363 s = 0.435 s 1
≤ 1.05 × fastest = 1.05 × 0.363 s = 0.381 s 2
IS6b ≤ 1.20 × fastest = 1.20 × 0.248 s = 0.298 s 1
≤ 1.05 × fastest = 1.05 × 0.248 s = 0.260 s 2
SO4 ≤ 1.20 × fastest = 1.20 × 0.60 s = 0.71 s 1
≤ 1.10 × fastest = 1.10 × 0.60 s = 0.66 s 2
SO5 ≤ 1.20 × fastest = 1.20 × 0.425 s = 0.51 s 1
≤ 1.10 × fastest = 1.10 × 0.425 s = 0.467 s 2
SO6 ≤ 1.20 × fastest = 1.20 × 0.86 s = 1.03 s 1
≤ 1.05 × fastest = 1.05 × 0.86 s = 0.90 s 2
LLM9a ≤ 1.20 × fastest 1
≤ 1.05 × fastest 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.