This was borrowed from adsmf's Advent of Code repo.

Benchmarks

The following are the benchmarks for the Go implementations of solutions for each day. The results are as measured by a BenchmarkMain benchmark in each solution.

2023

	Golang	Rust	Zig
Day 01	178µs / None	70.4µs / None	74.4µs
Day 02	7.3µs / None	2.4µs / None	2.6µs
Day 03	30.3µs / None	18.2µs / None	13.4µs
Day 04	34.3µs / 256 B	18.9µs / None	53µs
Day 05	60.8µs / 10.8 KB	11.1µs / None	1.97ms
Day 06	135ns / None	97ns / None	88ns
Day 07	371µs / 49.4 KB	68.9µs / 24.5 KB	43.2µs
Day 08	939µs / 426 KB	2.83ms / None	222µs
Day 09	38.2µs / None	20.9µs / None	21.1µs
Day 10	1.19ms / 891 KB	95µs / None	80µs
Day 11	13.2µs / None	11.8µs / None	8.58µs
Day 12	11.2ms / None	15.6ms / None	🔴 17.2ms
Day 13	111µs / 2.7 KB	47.7µs / None	89µs
Day 14	16.3ms / 16.4 KB	16.3ms / 0.2 B	-
Day 15	141µs / 58.1 KB	68.6µs / None	66.9µs
Day 16	21.8ms / 98.3 KB	10.3ms / None	🔴 51.3ms
Day 17	🔴 237ms / 🔴 13.2 MB	🔴 300ms / 🔴 9.3 MB	-
Day 18	6.73µs / None	3.19µs / None	3.43µs
Day 19	288µs / 245 KB	138µs / None	2.44ms
Day 20	1.28ms / 2.9 KB	6.14ms / None	-
Day 21	28.9ms / 62.0 KB	16.3ms / None	-
Day 22	5.13ms / 1.1 MB	1.44ms / 7.5 KB	-
Day 23	🔴 516ms / 2.7 MB	🔴 501ms / None	-
Day 24	-	-	-
Day 25	47.1ms / 🔴 21.2 MB	7.17ms / None	-
Total	888ms / 40.1 MB	877ms / 9.3 MB	73.6ms

2022

	Golang	Rust
Day 01	8.96µs / None	3.78µs / None
Day 02	1.89µs / None	642ns / None
Day 03	23.7µs / None	19.2µs / None
Day 04	8.87µs / None	5.64µs / None
Day 05	4.76µs / None	3.55µs / None
Day 06	4.73µs / None	5.83µs / None
Day 07	14.2µs / None	9.67µs / None
Day 08	388µs / None	280µs / None
Day 09	233µs / None	197µs / None
Day 10	809ns / None	512ns / None
Day 11	3.69ms / None	2.36ms / None
Day 12	208µs / None	121µs / None
Day 13	764µs / 610 KB	251µs / 391 KB
Day 14	3.11ms / None	3.9ms / None
Day 15	1.9µs / 568 B	1.11µs / None
Day 16	🔴 141ms / 🔴 134 MB	🔴 187ms / 🔴 35.7 MB
Day 17	468µs / 229 KB	205µs / None
Day 18	87.6µs / None	87µs / None
Day 19	🔴 116ms / 🔴 55.0 MB	52.6ms / 🔴 43.1 MB
Day 20	37.4ms / None	25.6ms / None
Day 21	329µs / 186 KB	215µs / 270 KB
Day 22	275µs / None	327µs / None
Day 23	60.9ms / 2.0 MB	48.9ms / None
Day 24	76.6ms / 16.8 MB	🔴 84.8ms / 19.2 MB
Day 25	1.66µs / None	1.25µs / None
Total	441ms / 209 MB	407ms / 98.6 MB

2021

	Crystal	Golang	Haskell	Rust	Zig
Day 01	🔴 207µs	59.8µs / 81.9 KB	🔴 1.18ms	13.6µs / None	12.2µs
Day 02	48.4µs	855ns / None	🔴 713µs	899ns / None	720ns
Day 03	🔴 113µs	23.9µs / None	🔴 1.08ms	19.3µs / 2.0 KB	50.3µs
Day 04	-	122µs / 79.2 KB	-	54.3µs / 102 KB	53µs
Day 05	-	2.13ms / 1.1 MB	-	441µs / 8.2 KB	710µs
Day 06	-	999ns / None	-	739ns / 512 B	873ns
Day 07	-	48.9µs / 8.2 KB	-	23µs / 3.3 KB	26.4µs
Day 08	-	260µs / 167 KB	-	14.6µs / 2.4 KB	1.04ms
Day 09	-	539µs / 238 KB	-	96.5µs / 19.6 KB	118µs
Day 10	-	13.4µs / 920 B	-	14.5µs / 2.5 KB	26.1µs
Day 11	-	466µs / 223 KB	-	79.8µs / 319 B	70.4µs
Day 12	-	1.79ms / 3.0 MB	-	4.38ms / 1.2 KB	148µs
Day 13	-	205µs / 22.7 KB	-	273µs / 265 KB	259µs
Day 14	-	270µs / 119 KB	-	15.7µs / 1.8 KB	64.6µs
Day 15	-	31.4ms / 2.5 MB	-	59.5ms / 🔴 133 MB	🔴 10.6ms
Day 16	-	9.8µs / 5.1 KB	-	5.98µs / 4.8 KB	310µs
Day 17	-	1.29ms / 64.0 B	-	1.6ms / None	1.45ms
Day 18	-	27.8ms / 4.8 MB	-	22.9ms / 15.5 MB	🔴 6.08ms
Day 19	-	🔴 525ms / 16.4 MB	-	10.6ms / 2.0 MB	-
Day 20	-	15.5ms / 82.5 KB	-	19.6ms / 2.0 MB	-
Day 21	-	2.58ms / 2.3 MB	-	1.12µs / 8.0 B	203µs
Day 22	-	7.48ms / 3.8 MB	-	12.8ms / 2.3 MB	-
Day 23	-	🔴 296ms / 🔴 199 MB	-	🔴 748ms / 🔴 165 MB	-
Day 24	-	1.62µs / 656 B	-	8.05µs / 576 B	-
Day 25	-	32.9ms / None	-	29.3ms / 19.4 KB	-
Total	368µs	946ms / 234 MB	2.97ms	910ms / 320 MB	21.2ms

2020

	Crystal	Golang	Rust	Zig
Day 01	240µs	18.1ms / 14.1 MB	149µs / 144 KB	359µs
Day 02	392µs	511µs / 280 KB	23.6µs / 24.6 KB	96.4µs
Day 03	289µs	22.5µs / 16.3 KB	2.69µs / None	17.1µs
Day 04	743µs	429µs / 237 KB	49.1µs / None	2.21ms
Day 05	488µs	100µs / 51.9 KB	64.5µs / 12.4 KB	188µs
Day 06	1.88ms	3.62ms / 4.0 MB	15µs / None	7.73ms
Day 07	690µs	1.32ms / 692 KB	255µs / 281 KB	511µs
Day 08	477µs	4.41ms / 5.5 MB	72.7µs / None	4.66ms
Day 09	148µs	19.2ms / 44.0 MB	108µs / None	163µs
Day 10	10.3µs	93.1µs / 62.2 KB	696ns / None	33µs
Day 11	39.1ms	45ms / 4.6 MB	14.7ms / 2.0 MB	17.2ms
Day 12	48.4µs	130µs / 78.6 KB	2.46µs / None	1.57ms
Day 13	92µs	8.25µs / 5.1 KB	465ns / 256 B	9.22µs
Day 14	2.98ms	10.6ms / 7.4 MB	3.24ms / 4.5 MB	-
Day 15	367ms	397ms / 🔴 240 MB	🔴 437ms / 🔴 49.4 MB	542ms
Day 16	614µs	1.8ms / 1.1 MB	249µs / 141 KB	1.23ms
Day 17	162ms	🔴 540ms / 🔴 338 MB	36ms / 🔴 21.7 MB	5.02ms
Day 18	593µs	10.9ms / 2.8 MB	131µs / None	7.18ms
Day 19	3.87ms	17.8ms / 6.9 MB	35.4ms / 14.0 MB	12.6ms
Day 20	4.69ms	7.98ms / 5.3 MB	111µs / 90.9 KB	11.6ms
Day 21	850µs	2.25ms / 438 KB	239µs / 121 KB	3.31ms
Day 22	118ms	76.7ms / 44.0 MB	32.9ms / 15.1 MB	111ms
Day 23	1.01s	🔴 677ms / 32.0 MB	🔴 179ms / None	🔴 4.59s
Day 24	🔴 6.1s	131ms / 7.9 MB	77.6ms / None	77.3ms
Day 25	38.9ms	40ms / 320 B	37ms / None	34.1ms
Total	7.86s	2.01s / 760 MB	855ms / 108 MB	5.43s

2019

	C++	Crystal	Golang	Rust
Day 01	1.39µs	9.07µs	5.45µs / 3.4 KB	659ns / None
Day 02	600µs	2.97ms	4.87ms / 9.3 MB	2.04ms / None
Day 03	25.2ms	13.9ms	7.07ms / 10.0 MB	34.4µs / None
Day 04	1.69ms	24.4ms	1.15ms / 80.0 B	520µs / None
Day 05	24.8µs	46.4µs	58.9µs / 78.8 KB	2.41µs / None
Day 06	2.12µs	2.78ms	31.8ms / 18.4 MB	132µs / 163 KB
Day 07	3.66ms	5.24ms	5.15ms / 5.5 MB	491µs / 102 KB
Day 08	29.6µs	137µs	170µs / 29.7 KB	19.4µs / None
Day 09	36.2ms	51ms	2.8ms / 74.6 KB	1.77ms / None
Day 10	21.8ms	8.09ms	15.1ms / 11.3 MB	1.05ms / None
Day 11	11.5ms	11.3ms	2.95ms / 888 KB	536µs / None
Day 12	157ms	122ms	9.72ms / 736 B	4.03ms / None
Day 13	76.6ms	98.8ms	9.13ms / 2.9 MB	5.1µs / None
Day 14	2.94ms	5.82ms	6.08ms / 281 KB	2.13ms / 409 KB
Day 15	21.8ms	29.6ms	19.5ms / 32.5 MB	9.52µs / None
Day 16	160ms	231ms	179ms / 1.1 MB	🔴 131ms / 524 KB
Day 17	11.8ms	14.1ms	1.11ms / 303 KB	4.75µs / None
Day 18	-	🔴 9.25s	🔴 485ms / 🔴 405 MB	🔴 175ms / 🔴 94.4 MB
Day 19	276ms	275ms	83.8ms / 66.6 MB	6.31µs / None
Day 20	276ms	236ms	58.5ms / 64.4 MB	5.9ms / None
Day 21	57.8ms	70.4ms	4.78ms / 124 KB	4.75µs / None
Day 22	2.09µs	92µs	211µs / 110 KB	2.79µs / None
Day 23	34.4ms	34.6ms	7.34ms / 4.7 MB	8.86µs / None
Day 24	21.2ms	33.8ms	225ms / 🔴 195 MB	5.06ms / None
Day 25	🔴 825ms	1.44s	84.9ms / 50.8 MB	10.5µs / None
Total	2.02s	12s	1.25s / 880 MB	329ms / 95.6 MB

2018

	Golang	Rust
Day 01	645µs / None	692µs / None
Day 02	5.04ms / 2.8 MB	489µs / None
Day 03	88.5ms / 64.2 MB	4.16ms / None
Day 04	2.85ms / 399 KB	11µs / None
Day 05	256ms / 48.3 MB	5.11ms / None
Day 06	30.1ms / 19.4 KB	6.97ms / None
Day 07	183µs / 68.6 KB	4.16µs / None
Day 08	249µs / 162 KB	70.8µs / None
Day 09	203ms / 167 MB	42.5ms / 🔴 64.0 MB
Day 10	1.24ms / 768 KB	5.71µs / None
Day 11	27.8ms / 721 KB	2.71ms / None
Day 12	1.91ms / 1.5 MB	67.7µs / None
Day 13	5.81ms / 2.9 MB	3.88ms / None
Day 14	118ms / 21.0 MB	104ms / 🔴 33.6 MB
Day 15	435ms / 🔴 261 MB	🔴 156ms / 377 KB
Day 16	16.4ms / 10.1 MB	135µs / None
Day 17	45.8ms / 12.1 MB	796µs / None
Day 18	178ms / 166 MB	20.5ms / None
Day 19	62.5ms / 27.0 KB	43.4ms / None
Day 20	28.9ms / 8.5 MB	293µs / None
Day 21	262ms / 448 KB	215µs / None
Day 22	🔴 2.58s / 🔴 241 MB	16.8ms / None
Day 23	162ms / 1.7 MB	65.7ms / None
Day 24	94.3ms / 42.6 MB	50.3ms / None
Day 25	8.5ms / 992 KB	2.17ms / None
Total	4.62s / 1.1 GB	527ms / 97.9 MB

2017

	Golang	Rust
Day 01	10.7µs / 2.3 KB	1.13µs / 16.4 KB
Day 02	17.1µs / 8.3 KB	8.33µs / 2.0 KB
Day 03	30.9µs / 15.9 KB	11.3µs / 14.3 KB
Day 04	1.57ms / 825 KB	3.11ms / 2.0 MB
Day 05	80.1ms / 25.5 MB	40.4ms / 24.9 KB
Day 06	16.1ms / 6.6 MB	1.31ms / 1.8 MB
Day 07	2.69ms / 1.0 MB	640µs / 523 KB
Day 08	617µs / 318 KB	209µs / 38.2 KB
Day 09	130µs / 49.2 KB	47.3µs / 89.3 KB
Day 10	436µs / 11.4 KB	99.8µs / 1.1 KB
Day 11	139µs / 11.1 KB	80.6µs / None
Day 12	3.33ms / 1.2 MB	858µs / 1.1 MB
Day 13	26.6ms / 4.1 KB	🔴 353ms / 2.4 KB
Day 14	24.9ms / 1.7 MB	22.3ms / 🔴 39.2 MB
Day 15	🔴 510ms / 1.4 KB	🔴 617ms / 32.0 B
Day 16	191ms / 82.8 MB	19.1ms / 10.6 MB
Day 17	240ms / 48.5 KB	207ms / 16.1 KB
Day 18	7.67ms / 5.7 MB	9.99µs / None
Day 19	214µs / 44.8 KB	35.5µs / None
Day 20	335ms / 🔴 206 MB	17.3ms / None
Day 21	66ms / 37.7 MB	3.39µs / None
Day 22	58.6ms / 526 KB	56.9ms / None
Day 23	1.54ms / 4.6 KB	28.8µs / None
Day 24	119ms / 59.9 MB	74.4ms / None
Day 25	31.2ms / 15.3 KB	43.6ms / None
Total	1.72s / 430 MB	1.46s / 55.5 MB

2016

	Golang	Rust
Day 01	168µs / 101 KB	41.3µs / 34.9 KB
Day 02	7.97µs / 192 B	77.1µs / 3.8 KB
Day 03	62.3µs / 49.2 KB	252µs / 183 KB
Day 04	1.78ms / 642 KB	1.62ms / 634 KB
Day 05	🔴 3.8s / 3.4 KB	🔴 5.68s / 🔴 689 MB
Day 06	114µs / 4.6 KB	718µs / 5.8 KB
Day 07	1.07ms / 64.4 KB	2.28ms / 1.0 MB
Day 08	3.71µs / 96.0 B	11.3µs / 6.2 KB
Day 09	9.8µs / None	152µs / 361 KB
Day 10	8.12ms / 5.5 MB	131µs / 90.7 KB
Day 11	24.7ms / 16.8 MB	1.38s / 🔴 785 MB
Day 12	4.74µs / 3.0 KB	1.96µs / 5.8 KB
Day 13	135µs / 82.1 KB	106µs / 101 KB
Day 14	🔴 9.17s / 33.1 KB	🔴 5.36s / 76.0 B
Day 15	18.2ms / 14.6 KB	4.25ms / 432 B
Day 16	114ms / 17.8 MB	58.3ms / 67.1 MB
Day 17	91.3ms / 52.5 MB	27.6ms / 35.4 MB
Day 18	177ms / 224 B	325ms / 63.8 MB
Day 19	251ms / 🔴 145 MB	39ns / None
Day 20	276µs / 120 KB	83.9µs / 76.4 KB
Day 21	135ms / 48.2 MB	31.4ms / 4.4 MB
Day 22	16.9ms / 392 KB	10.4ms / 194 KB
Day 23	12.8µs / 9.0 KB	4.02µs / 21.1 KB
Day 24	67.2ms / 27.3 MB	4.27ms / 3.8 MB
Day 25	59.6ms / 16.9 KB	8.01ms / 7.3 KB
Total	13.9s / 314 MB	12.9s / 1.7 GB

2015

	Crystal	Golang	Rust
Day 01	🔴 26.4µs	11.7µs / None	3.35µs / None
Day 02	-	459µs / 189 KB	54.2µs / 16.0 KB
Day 03	-	552µs / 190 KB	537µs / 279 KB
Day 04	-	948ms / 56.0 B	🔴 1.34s / 159 MB
Day 05	-	252µs / 34.8 KB	218µs / None
Day 06	-	64.9ms / 252 KB	38.4ms / 19.2 KB
Day 07	-	247µs / 117 KB	235µs / 148 KB
Day 08	-	21.2µs / 11.4 KB	34.8µs / 29.6 KB
Day 09	-	12.7ms / 6.2 MB	5.16ms / 651 KB
Day 10	-	60.3ms / 56.6 MB	734ms / 🔴 312 MB
Day 11	-	26.8ms / 313 KB	66.5ms / 15.0 MB
Day 12	-	853µs / 367 KB	299µs / 357 KB
Day 13	-	81.5ms / 28.1 MB	91.6ms / 7.2 MB
Day 14	-	239µs / 108 KB	410µs / 425 B
Day 15	-	56ms / 67.5 MB	42.9ms / 44.1 MB
Day 16	-	511µs / 262 KB	261µs / 250 KB
Day 17	-	64.5ms / 3.0 KB	43ms / 84.1 MB
Day 18	-	3.88ms / 42.8 KB	11.4ms / 56.4 KB
Day 19	-	545µs / 413 KB	1.08ms / 546 KB
Day 20	-	🔴 3.58s / 🔴 465 MB	🔴 1.22s / 126 MB
Day 21	-	537µs / 277 KB	45.5µs / 16.9 KB
Day 22	-	457ms / 🔴 435 MB	401ms / 🔴 234 MB
Day 23	-	22.4µs / 9.3 KB	5.62µs / 1.2 KB
Day 24	-	146ms / 61.1 MB	9.17ms / 10.0 MB
Day 25	-	8.95µs / 6.1 KB	208ns / 32.0 B
Total	26.4µs	5.51s / 1.1 GB	4s / 994 MB

C++

	2019
Day 01	1.39µs
Day 02	600µs
Day 03	25.2ms
Day 04	1.69ms
Day 05	24.8µs
Day 06	2.12µs
Day 07	3.66ms
Day 08	29.6µs
Day 09	36.2ms
Day 10	21.8ms
Day 11	11.5ms
Day 12	157ms
Day 13	76.6ms
Day 14	2.94ms
Day 15	21.8ms
Day 16	160ms
Day 17	11.8ms
Day 18	-
Day 19	276ms
Day 20	276ms
Day 21	57.8ms
Day 22	2.09µs
Day 23	34.4ms
Day 24	21.2ms
Day 25	🔴 825ms
Total	2.02s

Crystal

	2015	2019	2020	2021
Day 01	🔴 26.4µs	9.07µs	240µs	🔴 207µs
Day 02	-	2.97ms	392µs	48.4µs
Day 03	-	13.9ms	289µs	🔴 113µs
Day 04	-	24.4ms	743µs	-
Day 05	-	46.4µs	488µs	-
Day 06	-	2.78ms	1.88ms	-
Day 07	-	5.24ms	690µs	-
Day 08	-	137µs	477µs	-
Day 09	-	51ms	148µs	-
Day 10	-	8.09ms	10.3µs	-
Day 11	-	11.3ms	39.1ms	-
Day 12	-	122ms	48.4µs	-
Day 13	-	98.8ms	92µs	-
Day 14	-	5.82ms	2.98ms	-
Day 15	-	29.6ms	367ms	-
Day 16	-	231ms	614µs	-
Day 17	-	14.1ms	162ms	-
Day 18	-	🔴 9.25s	593µs	-
Day 19	-	275ms	3.87ms	-
Day 20	-	236ms	4.69ms	-
Day 21	-	70.4ms	850µs	-
Day 22	-	92µs	118ms	-
Day 23	-	34.6ms	1.01s	-
Day 24	-	33.8ms	🔴 6.1s	-
Day 25	-	1.44s	38.9ms	-
Total	26.4µs	12s	7.86s	368µs

Golang

	2015	2016	2017	2018	2019	2020	2021	2022	2023
Day 01	11.7µs / None	168µs / 101 KB	10.7µs / 2.3 KB	645µs / None	5.45µs / 3.4 KB	18.1ms / 14.1 MB	59.8µs / 81.9 KB	8.96µs / None	178µs / None
Day 02	459µs / 189 KB	7.97µs / 192 B	17.1µs / 8.3 KB	5.04ms / 2.8 MB	4.87ms / 9.3 MB	511µs / 280 KB	855ns / None	1.89µs / None	7.3µs / None
Day 03	552µs / 190 KB	62.3µs / 49.2 KB	30.9µs / 15.9 KB	88.5ms / 64.2 MB	7.07ms / 10.0 MB	22.5µs / 16.3 KB	23.9µs / None	23.7µs / None	30.3µs / None
Day 04	948ms / 56.0 B	1.78ms / 642 KB	1.57ms / 825 KB	2.85ms / 399 KB	1.15ms / 80.0 B	429µs / 237 KB	122µs / 79.2 KB	8.87µs / None	34.3µs / 256 B
Day 05	252µs / 34.8 KB	🔴 3.8s / 3.4 KB	80.1ms / 25.5 MB	256ms / 48.3 MB	58.9µs / 78.8 KB	100µs / 51.9 KB	2.13ms / 1.1 MB	4.76µs / None	60.8µs / 10.8 KB
Day 06	64.9ms / 252 KB	114µs / 4.6 KB	16.1ms / 6.6 MB	30.1ms / 19.4 KB	31.8ms / 18.4 MB	3.62ms / 4.0 MB	999ns / None	4.73µs / None	135ns / None
Day 07	247µs / 117 KB	1.07ms / 64.4 KB	2.69ms / 1.0 MB	183µs / 68.6 KB	5.15ms / 5.5 MB	1.32ms / 692 KB	48.9µs / 8.2 KB	14.2µs / None	371µs / 49.4 KB
Day 08	21.2µs / 11.4 KB	3.71µs / 96.0 B	617µs / 318 KB	249µs / 162 KB	170µs / 29.7 KB	4.41ms / 5.5 MB	260µs / 167 KB	388µs / None	939µs / 426 KB
Day 09	12.7ms / 6.2 MB	9.8µs / None	130µs / 49.2 KB	203ms / 167 MB	2.8ms / 74.6 KB	19.2ms / 44.0 MB	539µs / 238 KB	233µs / None	38.2µs / None
Day 10	60.3ms / 56.6 MB	8.12ms / 5.5 MB	436µs / 11.4 KB	1.24ms / 768 KB	15.1ms / 11.3 MB	93.1µs / 62.2 KB	13.4µs / 920 B	809ns / None	1.19ms / 891 KB
Day 11	26.8ms / 313 KB	24.7ms / 16.8 MB	139µs / 11.1 KB	27.8ms / 721 KB	2.95ms / 888 KB	45ms / 4.6 MB	466µs / 223 KB	3.69ms / None	13.2µs / None
Day 12	853µs / 367 KB	4.74µs / 3.0 KB	3.33ms / 1.2 MB	1.91ms / 1.5 MB	9.72ms / 736 B	130µs / 78.6 KB	1.79ms / 3.0 MB	208µs / None	11.2ms / None
Day 13	81.5ms / 28.1 MB	135µs / 82.1 KB	26.6ms / 4.1 KB	5.81ms / 2.9 MB	9.13ms / 2.9 MB	8.25µs / 5.1 KB	205µs / 22.7 KB	764µs / 610 KB	111µs / 2.7 KB
Day 14	239µs / 108 KB	🔴 9.17s / 33.1 KB	24.9ms / 1.7 MB	118ms / 21.0 MB	6.08ms / 281 KB	10.6ms / 7.4 MB	270µs / 119 KB	3.11ms / None	16.3ms / 16.4 KB
Day 15	56ms / 67.5 MB	18.2ms / 14.6 KB	🔴 510ms / 1.4 KB	435ms / 🔴 261 MB	19.5ms / 32.5 MB	397ms / 🔴 240 MB	31.4ms / 2.5 MB	1.9µs / 568 B	141µs / 58.1 KB
Day 16	511µs / 262 KB	114ms / 17.8 MB	191ms / 82.8 MB	16.4ms / 10.1 MB	179ms / 1.1 MB	1.8ms / 1.1 MB	9.8µs / 5.1 KB	🔴 141ms / 🔴 134 MB	21.8ms / 98.3 KB
Day 17	64.5ms / 3.0 KB	91.3ms / 52.5 MB	240ms / 48.5 KB	45.8ms / 12.1 MB	1.11ms / 303 KB	🔴 540ms / 🔴 338 MB	1.29ms / 64.0 B	468µs / 229 KB	🔴 237ms / 🔴 13.2 MB
Day 18	3.88ms / 42.8 KB	177ms / 224 B	7.67ms / 5.7 MB	178ms / 166 MB	🔴 485ms / 🔴 405 MB	10.9ms / 2.8 MB	27.8ms / 4.8 MB	87.6µs / None	6.73µs / None
Day 19	545µs / 413 KB	251ms / 🔴 145 MB	214µs / 44.8 KB	62.5ms / 27.0 KB	83.8ms / 66.6 MB	17.8ms / 6.9 MB	🔴 525ms / 16.4 MB	🔴 116ms / 🔴 55.0 MB	288µs / 245 KB
Day 20	🔴 3.58s / 🔴 465 MB	276µs / 120 KB	335ms / 🔴 206 MB	28.9ms / 8.5 MB	58.5ms / 64.4 MB	7.98ms / 5.3 MB	15.5ms / 82.5 KB	37.4ms / None	1.28ms / 2.9 KB
Day 21	537µs / 277 KB	135ms / 48.2 MB	66ms / 37.7 MB	262ms / 448 KB	4.78ms / 124 KB	2.25ms / 438 KB	2.58ms / 2.3 MB	329µs / 186 KB	28.9ms / 62.0 KB
Day 22	457ms / 🔴 435 MB	16.9ms / 392 KB	58.6ms / 526 KB	🔴 2.58s / 🔴 241 MB	211µs / 110 KB	76.7ms / 44.0 MB	7.48ms / 3.8 MB	275µs / None	5.13ms / 1.1 MB
Day 23	22.4µs / 9.3 KB	12.8µs / 9.0 KB	1.54ms / 4.6 KB	162ms / 1.7 MB	7.34ms / 4.7 MB	🔴 677ms / 32.0 MB	🔴 296ms / 🔴 199 MB	60.9ms / 2.0 MB	🔴 516ms / 2.7 MB
Day 24	146ms / 61.1 MB	67.2ms / 27.3 MB	119ms / 59.9 MB	94.3ms / 42.6 MB	225ms / 🔴 195 MB	131ms / 7.9 MB	1.62µs / 656 B	76.6ms / 16.8 MB	-
Day 25	8.95µs / 6.1 KB	59.6ms / 16.9 KB	31.2ms / 15.3 KB	8.5ms / 992 KB	84.9ms / 50.8 MB	40ms / 320 B	32.9ms / None	1.66µs / None	47.1ms / 🔴 21.2 MB
Total	5.51s / 1.1 GB	13.9s / 314 MB	1.72s / 430 MB	4.62s / 1.1 GB	1.25s / 880 MB	2.01s / 760 MB	946ms / 234 MB	441ms / 209 MB	888ms / 40.1 MB

Haskell

	2021
Day 01	🔴 1.18ms
Day 02	🔴 713µs
Day 03	🔴 1.08ms
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	-
Total	2.97ms

Rust

	2015	2016	2017	2018	2019	2020	2021	2022	2023
Day 01	3.35µs / None	41.3µs / 34.9 KB	1.13µs / 16.4 KB	692µs / None	659ns / None	149µs / 144 KB	13.6µs / None	3.78µs / None	70.4µs / None
Day 02	54.2µs / 16.0 KB	77.1µs / 3.8 KB	8.33µs / 2.0 KB	489µs / None	2.04ms / None	23.6µs / 24.6 KB	899ns / None	642ns / None	2.4µs / None
Day 03	537µs / 279 KB	252µs / 183 KB	11.3µs / 14.3 KB	4.16ms / None	34.4µs / None	2.69µs / None	19.3µs / 2.0 KB	19.2µs / None	18.2µs / None
Day 04	🔴 1.34s / 159 MB	1.62ms / 634 KB	3.11ms / 2.0 MB	11µs / None	520µs / None	49.1µs / None	54.3µs / 102 KB	5.64µs / None	18.9µs / None
Day 05	218µs / None	🔴 5.68s / 🔴 689 MB	40.4ms / 24.9 KB	5.11ms / None	2.41µs / None	64.5µs / 12.4 KB	441µs / 8.2 KB	3.55µs / None	11.1µs / None
Day 06	38.4ms / 19.2 KB	718µs / 5.8 KB	1.31ms / 1.8 MB	6.97ms / None	132µs / 163 KB	15µs / None	739ns / 512 B	5.83µs / None	97ns / None
Day 07	235µs / 148 KB	2.28ms / 1.0 MB	640µs / 523 KB	4.16µs / None	491µs / 102 KB	255µs / 281 KB	23µs / 3.3 KB	9.67µs / None	68.9µs / 24.5 KB
Day 08	34.8µs / 29.6 KB	11.3µs / 6.2 KB	209µs / 38.2 KB	70.8µs / None	19.4µs / None	72.7µs / None	14.6µs / 2.4 KB	280µs / None	2.83ms / None
Day 09	5.16ms / 651 KB	152µs / 361 KB	47.3µs / 89.3 KB	42.5ms / 🔴 64.0 MB	1.77ms / None	108µs / None	96.5µs / 19.6 KB	197µs / None	20.9µs / None
Day 10	734ms / 🔴 312 MB	131µs / 90.7 KB	99.8µs / 1.1 KB	5.71µs / None	1.05ms / None	696ns / None	14.5µs / 2.5 KB	512ns / None	95µs / None
Day 11	66.5ms / 15.0 MB	1.38s / 🔴 785 MB	80.6µs / None	2.71ms / None	536µs / None	14.7ms / 2.0 MB	79.8µs / 319 B	2.36ms / None	11.8µs / None
Day 12	299µs / 357 KB	1.96µs / 5.8 KB	858µs / 1.1 MB	67.7µs / None	4.03ms / None	2.46µs / None	4.38ms / 1.2 KB	121µs / None	15.6ms / None
Day 13	91.6ms / 7.2 MB	106µs / 101 KB	🔴 353ms / 2.4 KB	3.88ms / None	5.1µs / None	465ns / 256 B	273µs / 265 KB	251µs / 391 KB	47.7µs / None
Day 14	410µs / 425 B	🔴 5.36s / 76.0 B	22.3ms / 🔴 39.2 MB	104ms / 🔴 33.6 MB	2.13ms / 409 KB	3.24ms / 4.5 MB	15.7µs / 1.8 KB	3.9ms / None	16.3ms / 0.2 B
Day 15	42.9ms / 44.1 MB	4.25ms / 432 B	🔴 617ms / 32.0 B	🔴 156ms / 377 KB	9.52µs / None	🔴 437ms / 🔴 49.4 MB	59.5ms / 🔴 133 MB	1.11µs / None	68.6µs / None
Day 16	261µs / 250 KB	58.3ms / 67.1 MB	19.1ms / 10.6 MB	135µs / None	🔴 131ms / 524 KB	249µs / 141 KB	5.98µs / 4.8 KB	🔴 187ms / 🔴 35.7 MB	10.3ms / None
Day 17	43ms / 84.1 MB	27.6ms / 35.4 MB	207ms / 16.1 KB	796µs / None	4.75µs / None	36ms / 🔴 21.7 MB	1.6ms / None	205µs / None	🔴 300ms / 🔴 9.3 MB
Day 18	11.4ms / 56.4 KB	325ms / 63.8 MB	9.99µs / None	20.5ms / None	🔴 175ms / 🔴 94.4 MB	131µs / None	22.9ms / 15.5 MB	87µs / None	3.19µs / None
Day 19	1.08ms / 546 KB	39ns / None	35.5µs / None	43.4ms / None	6.31µs / None	35.4ms / 14.0 MB	10.6ms / 2.0 MB	52.6ms / 🔴 43.1 MB	138µs / None
Day 20	🔴 1.22s / 126 MB	83.9µs / 76.4 KB	17.3ms / None	293µs / None	5.9ms / None	111µs / 90.9 KB	19.6ms / 2.0 MB	25.6ms / None	6.14ms / None
Day 21	45.5µs / 16.9 KB	31.4ms / 4.4 MB	3.39µs / None	215µs / None	4.75µs / None	239µs / 121 KB	1.12µs / 8.0 B	215µs / 270 KB	16.3ms / None
Day 22	401ms / 🔴 234 MB	10.4ms / 194 KB	56.9ms / None	16.8ms / None	2.79µs / None	32.9ms / 15.1 MB	12.8ms / 2.3 MB	327µs / None	1.44ms / 7.5 KB
Day 23	5.62µs / 1.2 KB	4.02µs / 21.1 KB	28.8µs / None	65.7ms / None	8.86µs / None	🔴 179ms / None	🔴 748ms / 🔴 165 MB	48.9ms / None	🔴 501ms / None
Day 24	9.17ms / 10.0 MB	4.27ms / 3.8 MB	74.4ms / None	50.3ms / None	5.06ms / None	77.6ms / None	8.05µs / 576 B	🔴 84.8ms / 19.2 MB	-
Day 25	208ns / 32.0 B	8.01ms / 7.3 KB	43.6ms / None	2.17ms / None	10.5µs / None	37ms / None	29.3ms / 19.4 KB	1.25µs / None	7.17ms / None
Total	4s / 994 MB	12.9s / 1.7 GB	1.46s / 55.5 MB	527ms / 97.9 MB	329ms / 95.6 MB	855ms / 108 MB	910ms / 320 MB	407ms / 98.6 MB	877ms / 9.3 MB

Zig

	2020	2021	2023
Day 01	359µs	12.2µs	74.4µs
Day 02	96.4µs	720ns	2.6µs
Day 03	17.1µs	50.3µs	13.4µs
Day 04	2.21ms	53µs	53µs
Day 05	188µs	710µs	1.97ms
Day 06	7.73ms	873ns	88ns
Day 07	511µs	26.4µs	43.2µs
Day 08	4.66ms	1.04ms	222µs
Day 09	163µs	118µs	21.1µs
Day 10	33µs	26.1µs	80µs
Day 11	17.2ms	70.4µs	8.58µs
Day 12	1.57ms	148µs	🔴 17.2ms
Day 13	9.22µs	259µs	89µs
Day 14	-	64.6µs	-
Day 15	542ms	🔴 10.6ms	66.9µs
Day 16	1.23ms	310µs	🔴 51.3ms
Day 17	5.02ms	1.45ms	-
Day 18	7.18ms	🔴 6.08ms	3.43µs
Day 19	12.6ms	-	2.44ms
Day 20	11.6ms	-	-
Day 21	3.31ms	203µs	-
Day 22	111ms	-	-
Day 23	🔴 4.59s	-	-
Day 24	77.3ms	-	-
Day 25	34.1ms	-	-
Total	5.43s	21.2ms	73.6ms