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Advent Of Code

Mostly written in Go and Rust

Year 01 02 03 04 05 06 07 08 09 10 11 12
2025
Year 01 02 03 04 05 06 07 08 09 10 11 12
2024
13 14 15 16 17 18 19 20 21 22 23 24 25
Year 01 02 03 04 05 06 07 08 09 10 11 12
2023
13 14 15 16 17 18 19 20 21 22 23 24 25
Year 01 02 03 04 05 06 07 08 09 10 11 12
2022
13 14 15 16 17 18 19 20 21 22 23 24 25
Year 01 02 03 04 05 06 07 08 09 10 11 12
2021 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀
13 14 15 16 17 18 19 20 21 22 23 24 25
🦀
Year 01 02 03 04 05 06 07 08 09 10 11 12
2020 🦀 🦀 🦀 🦀 🦀 🦀 🦀
13 14 15 16 17 18 19 20 21 22 23 24 25
🦀 🦀 🦀 🦀 🦀 🦀
Year 01 02 03 04 05 06 07 08 09 10 11 12
2019 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀
13 14 15 16 17 18 19 20 21 22 23 24 25
🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀 🦀
Year 01 02 03 04 05 06 07 08 09 10 11 12
2018
13 14 15 16 17 18 19 20 21 22 23 24 25
Year 01 02 03 04 05 06 07
2017

Commands

Go

  • cd go/<n> and go run .
  • go test to run unit tests
  • go test -bench . to run benchmarks
  • go test ./... to run unit tests in all subdirectories

Rust

  • cd rust/<n> and cargo run
  • cargo run --release to run the puzzle in release mode
  • cargo test to run unit tests
  • cargo bench to run benchmarks

Year 2025

Execution time on an MacBook Air M2

Go part A part B
day 01 0.105 ms 0.118 ms
day 02 4.277 ms 15.21 ms
day 03 0.039 ms 0.078 ms
day 04 5.821 ms 169.2 ms
day 05 0.447 ms 0.412 ms
day 06 0.110 ms 0.037 ms
day 07 0.885 ms 0.894 ms
day 08 151.7 ms 154.4 ms
day 09 0.584 ms 21.77 ms
day 10 13.55 ms 2212 ms
day 11 0.116 ms 0.365 ms
day 12
Sum 0.177 s 2.574 s

Year 2024

Execution time on an MacBook Air M2

Go part A part B
day 01 0.052 ms 0.074 ms
day 02 1.676 ms 1.946 ms
day 03 0.037 ms 0.062 ms
day 04 2.976 ms 3.370 ms
day 05 0.192 ms 0.457 ms
day 06 0.712 ms 405.7 ms
day 07 0.300 ms 0.443 ms
day 08 0.027 ms 0.095 ms
day 09 0.943 ms 0.752 ms
day 10 0.240 ms 0.240 ms
day 11 0.230 ms 12.38 ms
day 12 10.15 ms 19.84 ms
day 13 0.722 ms 0.730 ms
day 14 0.380 ms 85.94 ms
day 15 4.978 ms 5.852 ms
day 16 11.89 ms 52.57 ms
day 17 0.002 ms 0.119 ms
day 18 3.392 ms 3.399 ms
day 19 17.81 ms 17.98 ms
day 20 32.25 ms 33.66 ms
day 21 0.034 ms 0.158 ms
day 22 21.20 ms 374.5 ms
day 23 2.933 ms 200.6 ms
day 24 0.412 ms 1.226 ms
day 25 0.324 ms
Sum 0.114 s 1.222 s

Year 2023

Comments: Here

Execution time on an MacBook Air M2

Go part A part B
day 01 0.056 ms 0.045 ms
day 02 0.096 ms 0.096 ms
day 03 1.800 ms 2.200 ms
day 04 0.169 ms 0.173 ms
day 05 0.214 ms 0.253 ms
day 06 0.000 ms 25.10 ms
day 07 0.539 ms 0.531 ms
day 08 0.288 ms 1.700 ms
day 09 0.172 ms 0.172 ms
day 10 0.924 ms 1.400 ms
day 11 0.136 ms 0.136 ms
day 12 16.90 ms 30.60 ms
day 13 0.144 ms 1.210 ms
day 14 0.049 ms 44.00 ms
day 15 0.076 ms 0.158 ms
day 16 1.250 ms 353.0 ms
day 17 8.100 ms 181.0 ms
day 18 0.017 ms 0.018 ms
day 19 0.280 ms 0.657 ms
day 20 2.500 ms 10.30 ms
day 21 8200 ms 2480 ms
day 22 6700 ms 6.700 ms
day 23 4.100 ms 1120 ms
day 24 2.500 ms 37.00 ms
day 25 graphviz
Sum 14.940 s 4.296 s

Year 2022

Comments: Here

Execution time on an MacBook Air M2

Go part A part B
day 01 0.092 ms 0.098 ms
day 02 0.038 ms 0.038 ms
day 03 0.009 ms 0.013 ms
day 04 0.127 ms 0.122 ms
day 05 0.024 ms 0.022 ms
day 06 0.002 ms 0.014 ms
day 07 0.228 ms 0.238 ms
day 08 0.156 ms 0.236 ms
day 09 1.075 ms 1.151 ms
day 10 0.033 ms 0.039 ms
day 11 0.007 ms 3.742 ms
day 12 3.200 ms 3.490 ms
day 13 0.428 ms 0.543 ms
day 14 1.295 ms 50.13 ms
day 15 0.057 ms 195.0 ms
day 16 161.7 ms 786.8 ms
day 17 7.463 ms 931.7 ms
day 18 1.436 ms 6.030 ms
day 19 66.49 ms 11.19 ms
day 20 57.38 ms 738.6 ms
day 21 0.517 ms 0.794 ms
day 22 2.065 ms 1.681 ms
day 23 13.67 ms 1024 ms
day 24 21.77 ms 88.03 ms
day 25 0.029 ms
Sum 0.339 s 3.844 s

Year 2021

Comments: Here

Execution time on an old Mac Pro (Late 2013), 3,7 GHz Quad-Core Intel Xeon E5

Rust part A part B Go part A part B
day 01 0.089 ms 0.067 ms day 01 0.047 ms 0.048 ms
day 02 0.092 ms 0.063 ms day 02 0.102 ms 0.103 ms
day 03 0.157 ms 0.084 ms
day 04 1.048 ms 0.841 ms
day 05 45.94 ms 46.03 ms
day 06 0.010 ms 0.008 ms day 06 0.007 ms 0.008 ms
day 07 0.274 ms 0.795 ms day 07 1.711 ms 2.841 ms
day 08 0.198 ms 1.786 ms
day 09 0.146 ms 0.670 ms
day 10 0.137 ms 0.134 ms day 10 0.158 ms 0.160 ms
day 11 0.186 ms 0.420 ms day 11 0.152 ms 0.432 ms
day 12 0.161 ms 3.944 ms
day 13 0.156 ms 0.118 ms day 13 0.441 ms 0.706 ms
day 14 0.023 ms 0.052 ms
day 15 9.858 ms 342.6 ms
day 16 0.052 ms 0.049 ms
day 17 0.133 ms 0.424 ms
day 18 1.685 ms 25.18 ms
day 19 20.20 ms 20.88 ms
day 20 9.035 ms 491.5 ms
day 21 0.002 ms 137.1 ms
day 22 2.237 ms 56.16 ms
day 23 7.806 ms 76.21 ms
day 24 660.4 ms 0.003 ms
day 25 98.00 ms 0.003 ms
Sum 0.048 s 0.050 s 0.812 s 1.159 s

Year 2020

Comments: Here

Execution time on an old Mac Pro (Late 2013), 3,7 GHz Quad-Core Intel Xeon E5

Rust part A part B Go part A part B
day 01 0.034 ms 9.541 ms day 01 0.049 ms 5.399 ms
day 02 0.331 ms 0.266 ms
day 03 0.199 ms 1.040 ms
day 04 0.712 ms 0.750 ms
day 05 0.036 ms 0.036 ms
day 06 0.114 ms 0.100 ms
day 07 6.542 ms 0.934 ms
day 08 0.188 ms 2.751 ms
day 09 0.087 ms 0.279 ms
day 10 0.027 ms 0.016 ms
day 11 22.47 ms 52.57 ms
day 12 0.102 ms 0.093 ms
day 13 0.016 ms 0.007 ms
day 14 0.340 ms 51.97 ms
day 15 0.096 ms 1798. ms
day 16 0.464 ms 0.706 ms
day 17 17.52 ms 768.0 ms
day 18 4.187 ms 4.134 ms
day 19 4.766 ms 9.456 ms
day 20 36.66 ms 44.65 ms
day 21 0.802 ms 0.718 ms
day 22 0.008 ms 173.1 ms
day 23 0.003 ms 1986 ms
day 24 1.120 ms 164.1 ms
day 25 164.4 ms
Sum 0.047 s 2.687 s 0.215 s 2.387 s

Year 2019

Rust part A part B
day 01
day 02
day 03
day 04
day 05
day 06
day 07
day 08
day 09
day 10
day 11
day 12
day 13
day 14
day 15
day 16
day 17
day 18
day 19
day 20
day 21
day 22
day 23
day 24
day 25
Sum

Year 2018

Execution time on an MacBook Air M2

Go part A part B
day 01 0.026 ms 9.062 ms
day 02 0.577 ms 0.583 ms
day 03 8.513 ms 5.605 ms
day 04 2.180 ms 2.202 ms
day 05 0.282 ms 7.335 ms
day 06 9.055 ms 5.266 ms
day 07 0.209 ms 0.413 ms
day 08 0.371 ms 0.367 ms
day 09 3.322 ms 428.208 ms
day 10 400.361 ms 337.374 ms
day 11 3.020 ms 25.925 ms
day 12 0.184 ms 16.645 ms
day 13 2.289 ms 6.501 ms
day 14 7.782 ms 309.028 ms
day 15 36.768 ms 210.730 ms
day 16 1.876 ms 0.604 ms
day 17 12.117 ms 12.358 ms
day 18 1.465 ms 126.286 ms
day 19 97.107 ms
day 20 24220.131 ms 24979.661 ms
day 21 0.057 ms 32968.482 ms
day 22 0.176 ms 293.027 ms
day 23 2.211 ms 99547.380 ms
day 24 19.997 ms 1310.438 ms
day 25 7.822 ms
Sum 24.838 s 160.603 s

Year 2017

Execution time on an MacBook Air M2

Go part A part B
day 01 0.003 ms 0.003 ms
day 02 0.008 ms 0.010 ms
day 03 0.352 ms 0.013 ms
day 04 0.141 ms 0.624 ms
day 05 0.959 ms 99.689 ms
day 06 6.401 ms 6.346 ms
day 07 0.189 ms 0.000001 ms
Sum 0.008 s 0.107 s

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