Blue color from RGBA 
Extract the Blue channel from a stream of RGBA pixels as fast as possible.
Input: 125 000 000 pixels in binary RGBA format on STDIN (4 bytes per pixel: R, G, B, A).
Output: Write only the Blue byte of each pixel to STDOUT (125 000 000 bytes total).
| # | Author | Score | Language | Solution | |
|---|---|---|---|---|---|
| 1 | 3,051 | CPP clang++18.1.3 | Oct 30, 2025 10:34 73,237,181 ns · 30,793,000 ns · 11,920,000 ns · 126,218,240 B | ||
| 2 | 3,053 | CPP g++13.3.0 | Feb 14, 2026 22:20 65,693,409 ns · 30,818,000 ns · 11,929,000 ns · 126,005,248 B | ||
| 3 | 3,061 | CPP g++13.3.0 | Apr 11, 2026 06:50 65,821,016 ns · 30,895,000 ns · 11,959,000 ns · 126,271,488 B | ||
| 4 | 3,069 | CPP g++13.3.0 | Jun 19, 2025 20:16 70,103,855 ns · 30,974,000 ns · 11,990,000 ns · 126,222,336 B | ||
| 5 | 3,088 | CPP g++13.3.0 | Jun 2, 2025 20:42 66,640,698 ns · 30,461,000 ns · 12,774,000 ns · 126,222,336 B | ||
| 6 | 3,094 | CPP g++13.3.0 | Apr 13, 2026 20:04 66,519,538 ns · 31,223,000 ns · 12,086,000 ns · 126,267,392 B | ||
| 7 | 3,104 | CPP g++13.3.0 | Mar 29, 2026 08:26 72,672,374 ns · 31,605,000 ns · 11,852,000 ns · 126,005,248 B | ||
| 8 | 3,121 | CPP g++13.3.0 | Feb 26, 2026 02:27 72,766,776 ns · 31,774,000 ns · 11,915,000 ns · 126,013,440 B | ||
| 9 | 3,131 | CPP g++13.3.0 | May 4, 2025 23:20 66,134,037 ns · 31,878,000 ns · 11,954,000 ns · 126,173,184 B | ||
| 10 | 3,143 | CPP g++13.2.0 | Apr 10, 2025 19:10 76,228,338 ns · 31,003,000 ns · 13,001,000 ns · 126,005,248 B | ||
| 11 | 3,192 | CPP g++13.3.0 | Mar 25, 2026 01:52 68,685,880 ns · 33,761,000 ns · 10,922,000 ns · 126,005,248 B | ||
| 12 | 3,238 | CPP g++13.3.0 | Apr 27, 2025 04:11 72,044,855 ns · 34,252,000 ns · 11,081,000 ns · 126,005,248 B | ||
| 13 | 3,315 | CPP g++13.3.0 | Sep 18, 2025 03:02 74,455,609 ns · 34,301,000 ns · 12,106,000 ns · 126,119,936 B | ||
| 14 | 3,356 | CPP g++13.2.0 | Dec 12, 2024 21:17 68,231,369 ns · 32,986,000 ns · 13,994,000 ns · 126,017,536 B | ||
| 15 | 3,412 | CPP g++13.3.0 | May 6, 2025 11:37 76,232,512 ns · 34,829,000 ns · 12,936,000 ns · 126,259,200 B | ||
| 16 | 3,479 | CPP clang++18.1.3 | Feb 17, 2025 19:07 73,310,372 ns · 34,787,000 ns · 13,914,000 ns · 126,267,392 B | ||
| 17 | 3,483 | CPP g++13.3.0 | Nov 1, 2025 21:33 83,665,573 ns · 36,816,000 ns · 11,940,000 ns · 126,005,248 B | ||
| 18 | 3,484 | CPP g++13.2.0 | Jan 12, 2025 20:29 71,064,618 ns · 34,837,000 ns · 13,934,000 ns · 126,177,280 B | ||
| 19 | 3,520 | CPP g++13.3.0 | Dec 31, 2025 02:46 75,385,597 ns · 38,214,000 ns · 11,061,000 ns · 126,259,200 B | ||
| 20 | 3,527 | CPP g++13.3.0 | Feb 20, 2026 10:24 75,953,328 ns · 35,268,000 ns · 14,107,000 ns · 126,238,720 B | ||
| 21 | 3,550 | CPP g++13.3.0 | Oct 13, 2025 00:54 72,179,589 ns · 37,774,000 ns · 11,928,000 ns · 126,001,152 B | ||
| 22 | 3,583 | CPP clang++18.1.3 | Feb 2, 2025 20:33 72,796,397 ns · 38,123,000 ns · 12,038,000 ns · 126,267,392 B | ||
| 23 | 3,589 | CPP g++13.3.0 | Dec 30, 2025 12:17 72,666,280 ns · 35,175,000 ns · 15,075,000 ns · 126,013,440 B | ||
| 24 | 3,798 | RUST rust-1.84.1 | Feb 5, 2025 16:22 79,655,068 ns · 40,132,000 ns · 13,042,000 ns · 125,181,952 B | ||
| 25 | 3,927 | CPP g++13.3.0 | Jan 29, 2026 22:53 85,790,623 ns · 32,985,000 ns · 21,990,000 ns · 126,119,936 B | ||
| 26 | 4,264 | CPP clang++18.1.3 | Mar 26, 2025 12:57 77,991,184 ns · 34,824,000 ns · 24,874,000 ns · 126,271,488 B | ||
| 27 | 4,355 | CPP g++13.3.0 | Dec 28, 2025 16:29 88,158,840 ns · 41,977,000 ns · 18,990,000 ns · 126,164,992 B | ||
| 28 | 4,764 | CPP g++9.4.0 | Dec 24, 2024 14:53 90,163,567 ns · 42,802,000 ns · 23,889,000 ns · 126,132,224 B | ||
| 29 | 5,130 | RUST rust-1.85.0 | Mar 1, 2025 16:52 97,615,711 ns · 47,882,000 ns · 23,941,000 ns · 126,074,880 B | ||
| 30 | 5,983 | CPP g++13.2.0 | Dec 12, 2024 20:19 106,918,397 ns · 17,949,000 ns · 65,816,000 ns · 126,263,296 B | ||
| 31 | 6,793 | CPP g++13.2.0 | Feb 17, 2025 18:06 120,629,968 ns · 18,018,000 ns · 77,079,000 ns · 126,099,456 B | ||
| 32 | 6,853 | CPP g++13.3.0 | Apr 26, 2026 16:03 117,588,668 ns · 40,977,000 ns · 54,969,000 ns · 126,164,992 B | ||
| 33 | 7,130 | CPP clang++20.1.2 | Apr 22, 2026 13:18 114,200,528 ns · 17,968,000 ns · 81,857,000 ns · 126,259,200 B | ||
| 34 | 7,390 | RUST rust-1.95.0 | Apr 21, 2026 01:34 129,491,175 ns · 18,903,000 ns · 84,570,000 ns · 125,992,960 B | ||
| 35 | 7,467 | CPP g++13.3.0 | Oct 29, 2025 12:50 131,807,231 ns · 24,889,000 ns · 79,646,000 ns · 126,136,320 B | ||
| 36 | 7,934 | RUST rust-1.87.0 | Jun 19, 2025 05:56 134,540,395 ns · 46,032,000 ns · 65,045,000 ns · 126,160,896 B | ||
| 37 | 7,947 | GO go1.25.5 | Dec 26, 2025 12:32 139,585,805 ns · 41,095,000 ns · 70,163,000 ns · 126,058,496 B | ||
| 38 | 7,966 | CPP clang++18.1.3 | Dec 22, 2024 23:22 143,601,971 ns · 51,777,000 ns · 59,743,000 ns · 126,058,496 B | ||
| 39 | 8,072 | CPP g++10.5.0 | Apr 26, 2026 17:00 129,900,735 ns · 18,002,000 ns · 95,012,000 ns · 126,091,264 B | ||
| 40 | 9,351 | GO go1.25.3 | Nov 4, 2025 08:01 152,570,437 ns · 63,960,000 ns · 66,959,000 ns · 126,181,376 B | ||
| 41 | 9,418 | CPP g++13.3.0 | Apr 30, 2025 05:18 153,417,894 ns · 27,968,000 ns · 103,882,000 ns · 126,242,816 B | ||
| 42 | 10,139 | CSHARP 9.0.4 | Apr 9, 2025 17:46 183,631,868 ns · 61,848,000 ns · 80,098,000 ns · 126,136,320 B | ||
| 43 | 11,373 | GO go1.25.5 | Dec 14, 2025 11:27 190,135,581 ns · 100,136,000 ns · 59,080,000 ns · 126,074,880 B | ||
| 44 | 11,447 | GO go1.11 | Nov 9, 2025 06:35 186,419,884 ns · 95,149,000 ns · 65,102,000 ns · 126,160,896 B | ||
| 45 | 11,795 | CPP clang++10.0.0 | Jul 9, 2023 18:18 982,885,390 ns · 165,134,056 ns · 0 ns · 226,357,248 B | ||
| 46 | 26,348 | CPP g++9.4.0 | Dec 29, 2023 16:27 2,650,038,564 ns · 368,873,941 ns · 0 ns · 267,579,392 B | ||
| 47 | 33,146 | CPP g++9.3.0 | Feb 18, 2023 11:41 2,877,441,436 ns · 17,934,000 ns · 446,109,000 ns · 267,493,376 B | ||
| 48 | 33,313 | CPP clang++10.0.0 | Jul 17, 2024 06:41 2,864,465,636 ns · 22,851,000 ns · 443,536,000 ns · 267,284,480 B | ||
| 49 | 33,388 | CPP g++9.3.0 | Dec 6, 2023 09:41 2,922,730,640 ns · 21,463,000 ns · 445,964,000 ns · 267,091,968 B | ||
| 50 | 33,418 | CPP g++9.4.0 | Mar 7, 2024 07:33 2,864,752,087 ns · 19,282,000 ns · 448,565,000 ns · 266,801,152 B | ||
| 51 | 33,660 | CPP g++13.2.0 | Dec 8, 2024 06:00 2,893,554,080 ns · 8,746,000 ns · 462,495,000 ns · 267,366,400 B | ||
| 52 | 34,963 | CPP g++9.4.0 | Aug 1, 2024 05:56 2,898,762,523 ns · 36,763,000 ns · 452,713,000 ns · 267,976,704 B | ||
| 53 | 35,202 | CPP clang++18.1.3 | Nov 13, 2024 20:30 2,924,482,419 ns · 31,831,000 ns · 461,002,000 ns · 266,895,360 B | ||
| 54 | 36,219 | CPP clang++18.1.3 | Nov 13, 2024 18:24 2,928,352,457 ns · 41,746,000 ns · 465,317,000 ns · 263,168,000 B | ||
| 55 | 36,548 | CPP g++9.3.0 | Feb 25, 2023 17:22 3,972,709,594 ns · 511,668,319 ns · 0 ns · 266,113,024 B | ||
| 56 | 36,809 | CSHARP 9.0.0-preview.6 | Aug 1, 2024 17:07 2,641,802,649 ns · 515,330,408 ns · 0 ns · 264,515,584 B | ||
| 57 | 36,909 | GO go1.21.5 | Dec 24, 2023 20:31 3,759,961,821 ns · 516,726,740 ns · 0 ns · 265,797,632 B | ||
| 58 | 37,004 | CPP clang++10.0.0 | Mar 16, 2023 14:02 4,056,162,221 ns · 518,055,044 ns · 0 ns · 267,489,280 B | ||
| 59 | 37,076 | CPP g++9.3.0 | Feb 19, 2023 19:27 3,729,445,015 ns · 519,070,121 ns · 0 ns · 266,977,280 B | ||
| 60 | 40,527 | RUST rust-1.67.1 | Mar 4, 2023 11:15 2,941,933,264 ns · 83,381,000 ns · 483,998,000 ns · 267,059,200 B | ||
| 61 | 40,813 | CPP g++9.3.0 | Feb 28, 2023 23:25 4,583,119,110 ns · 571,377,319 ns · 0 ns · 140,804,096 B | ||
| 62 | 41,308 | GO go1.20.2 | Mar 11, 2023 20:01 4,844,878,543 ns · 578,315,593 ns · 0 ns · 139,407,360 B | ||
| 63 | 42,050 | CPP g++9.4.0 | Jun 18, 2024 19:01 3,290,223,302 ns · 588,704,258 ns · 0 ns · 140,767,232 B | ||
| 64 | 42,340 | CPP g++9.4.0 | Jun 9, 2024 10:40 3,290,344,694 ns · 592,765,558 ns · 0 ns · 140,652,544 B | ||
| 65 | 42,684 | GO go1.21.9 | Jun 28, 2024 21:56 3,221,235,337 ns · 597,578,676 ns · 0 ns · 137,269,248 B | ||
| 66 | 43,301 | GO go1.22.1 | Mar 29, 2024 10:41 3,242,041,509 ns · 606,213,185 ns · 0 ns · 139,808,768 B | ||
| 67 | 43,404 | GO go1.20.1 | Feb 18, 2023 07:35 4,833,017,794 ns · 607,654,879 ns · 0 ns · 138,256,384 B | ||
| 68 | 47,534 | GO go1.22.5 | Jul 16, 2024 12:37 3,285,258,471 ns · 665,481,880 ns · 0 ns · 139,526,144 B | ||
| 69 | 47,763 | GO go1.20.1 | Feb 18, 2023 14:26 5,449,339,560 ns · 668,675,019 ns · 0 ns · 139,575,296 B | ||
| 70 | 47,827 | GO go1.20.7 | Aug 22, 2023 18:23 4,663,635,409 ns · 669,582,442 ns · 0 ns · 139,071,488 B | ||
| 71 | 47,945 | GO go1.22.4 | Jun 9, 2024 12:23 3,289,567,298 ns · 671,235,618 ns · 0 ns · 141,148,160 B | ||
| 72 | 50,491 | CPP g++9.4.0 | Jan 2, 2024 17:44 4,556,866,412 ns · 706,869,222 ns · 0 ns · 262,922,240 B | ||
| 73 | 51,633 | CPP clang++10.0.0 | Feb 19, 2023 13:05 7,660,478,270 ns · 722,863,413 ns · 0 ns · 265,527,296 B | ||
| 74 | 57,373 | CPP g++9.3.0 | Jun 21, 2023 12:52 7,315,563,824 ns · 803,226,740 ns · 0 ns · 142,540,800 B | ||
| 75 | 64,468 | CPP g++9.3.0 | Nov 24, 2023 08:28 9,377,502,462 ns · 902,551,360 ns · 0 ns · 265,818,112 B | ||
| 76 | 65,579 | CPP g++9.3.0 | Mar 25, 2023 19:51 9,666,352,944 ns · 918,110,299 ns · 0 ns · 266,838,016 B | ||
| 77 | 66,499 | CPP g++9.3.0 | Sep 30, 2023 02:27 9,273,286,984 ns · 930,989,144 ns · 0 ns · 266,555,392 B | ||
| 78 | 74,397 | CPP g++14.2.0 | Apr 27, 2026 22:43 1,062,279,583 ns · 1,017,580,000 ns · 23,990,000 ns · 126,148,608 B | ||
| 79 | 86,106 | RUST rust-1.70.0 | Jul 4, 2023 08:05 9,596,710,054 ns · 1,205,477,410 ns · 0 ns · 266,162,176 B | ||
| 80 | 90,909 | RUST rust-1.79.0 | Jul 18, 2024 23:11 8,438,889,928 ns · 1,272,728,169 ns · 0 ns · 142,434,304 B | ||
| 81 | 92,732 | CPP g++9.3.0 | Sep 26, 2023 15:01 13,830,413,174 ns · 1,298,251,589 ns · 0 ns · 142,422,016 B | ||
| 82 | 100,135 | RUST rust-1.81.0 | Sep 6, 2024 12:14 7,599,433,109 ns · 85,431,000 ns · 1,316,463,000 ns · 142,192,640 B | ||
| 83 | 101,289 | RUST rust-1.82.0 | Oct 18, 2024 22:57 7,529,089,768 ns · 90,385,000 ns · 1,327,659,000 ns · 142,462,976 B | ||
| 84 | 139,208 | RUST rust-1.67.1 | Feb 17, 2023 06:40 4,505,511,349 ns · 1,948,918,968 ns · 0 ns · 262,475,776 B | ||
| 85 | 185,529 | CPP g++9.3.0 | Jul 3, 2023 11:44 9,634,433,857 ns · 2,597,402,343 ns · 0 ns · 265,654,272 B | ||
| 86 | 299,667 | CPP g++13.3.0 | May 11, 2025 01:45 4,220,743,009 ns · 4,097,394,000 ns · 97,937,000 ns · 126,013,440 B |