Count uint8 
Count the number of bytes equal to 127 in a binary stream as fast as possible.
Input: 250 000 000 uint8 values in binary on STDIN.
Output: The count of elements equal to 127, printed as a decimal string.
Source Code
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Challenge History
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Run Statistics
| # | Date | Score | Wall Time | CPU User | CPU System | Memory | Error | |
|---|---|---|---|---|---|---|---|---|
| 1 | Nov 28, 2024 16:28 | 4,454 | 35,274,545 | 12,218,000 | 2,036,000 | 2,433,024 | ||
| 2 | Nov 28, 2024 16:28 | 4,458 | 33,914,161 | 12,228,000 | 2,038,000 | 2,437,120 | ||
| 3 | Nov 28, 2024 17:14 | 4,459 | 30,365,851 | 12,231,000 | 2,038,000 | 2,428,928 | ||
| 4 | Nov 28, 2024 17:14 | 4,465 | 31,362,094 | 13,268,000 | 1,020,000 | 2,437,120 | ||
| 5 | Nov 28, 2024 17:14 | 4,468 | 29,799,114 | 12,255,000 | 2,042,000 | 2,531,328 | ||
| 6 | Nov 28, 2024 16:28 | 4,470 | 30,813,727 | 14,305,000 | 0 | 2,531,328 | ||
| 7 | Nov 28, 2024 16:28 | 4,470 | 35,959,299 | 12,262,000 | 2,043,000 | 2,437,120 | ||
| 8 | Nov 28, 2024 17:14 | 4,472 | 35,642,702 | 12,265,000 | 2,044,000 | 2,269,184 | ||
| 9 | Nov 28, 2024 17:14 | 4,472 | 25,861,960 | 14,310,000 | 0 | 2,428,928 | ||
| 10 | Nov 28, 2024 17:14 | 4,472 | 33,159,558 | 13,288,000 | 1,022,000 | 2,428,928 | ||
| 11 | Nov 28, 2024 16:45 | 4,476 | 34,811,710 | 12,276,000 | 2,046,000 | 2,433,024 | ||
| 12 | Nov 28, 2024 17:14 | 4,476 | 31,366,037 | 13,299,000 | 1,023,000 | 2,437,120 | ||
| 13 | Nov 28, 2024 17:14 | 4,476 | 30,556,442 | 14,324,000 | 0 | 2,531,328 | ||
| 14 | Nov 28, 2024 16:28 | 4,477 | 29,245,598 | 14,326,000 | 0 | 2,527,232 | ||
| 15 | Nov 28, 2024 16:28 | 4,478 | 40,850,296 | 14,330,000 | 0 | 2,531,328 | ||
| 16 | Nov 28, 2024 16:45 | 4,481 | 28,188,909 | 14,340,000 | 0 | 2,269,184 | ||
| 17 | Nov 28, 2024 17:14 | 4,481 | 29,224,235 | 13,316,000 | 1,024,000 | 2,433,024 | ||
| 18 | Nov 28, 2024 16:28 | 4,483 | 29,336,706 | 14,344,000 | 0 | 2,510,848 | ||
| 19 | Nov 28, 2024 16:28 | 4,485 | 40,523,140 | 14,351,000 | 0 | 2,433,024 | ||
| 20 | Nov 28, 2024 16:28 | 4,485 | 35,160,289 | 14,351,000 | 0 | 2,428,928 | ||
| 21 | Nov 28, 2024 17:14 | 4,486 | 30,464,984 | 14,354,000 | 0 | 2,510,848 | ||
| 22 | Nov 28, 2024 17:14 | 4,487 | 35,571,590 | 14,359,000 | 0 | 2,531,328 | ||
| 23 | Nov 28, 2024 17:14 | 4,489 | 27,276,530 | 13,340,000 | 1,026,000 | 2,433,024 | ||
| 24 | Nov 28, 2024 17:14 | 4,492 | 28,747,063 | 14,373,000 | 0 | 2,531,328 | ||
| 25 | Nov 28, 2024 16:45 | 4,493 | 33,386,772 | 14,376,000 | 0 | 2,433,024 | ||
| 26 | Nov 28, 2024 16:28 | 4,493 | 37,118,209 | 13,351,000 | 1,027,000 | 2,433,024 | ||
| 27 | Nov 28, 2024 16:44 | 4,495 | 30,317,763 | 14,383,000 | 0 | 2,433,024 | ||
| 28 | Nov 28, 2024 16:28 | 4,497 | 41,326,685 | 14,390,000 | 0 | 2,531,328 | ||
| 29 | Nov 28, 2024 17:14 | 4,498 | 35,800,921 | 13,366,000 | 1,028,000 | 2,441,216 | ||
| 30 | Nov 28, 2024 17:14 | 4,498 | 34,899,141 | 14,395,000 | 0 | 2,437,120 | ||
| 31 | Nov 28, 2024 16:28 | 4,498 | 27,495,505 | 14,393,000 | 0 | 2,510,848 | ||
| 32 | Nov 28, 2024 17:14 | 4,501 | 27,462,072 | 14,402,000 | 0 | 2,531,328 | ||
| 33 | Nov 28, 2024 17:14 | 4,503 | 28,838,146 | 14,411,000 | 0 | 2,531,328 | ||
| 34 | Nov 28, 2024 17:14 | 4,509 | 40,967,770 | 13,400,000 | 1,030,000 | 2,428,928 | ||
| 35 | Nov 28, 2024 16:44 | 4,525 | 31,075,192 | 13,445,000 | 1,034,000 | 2,437,120 | ||
| 36 | Nov 28, 2024 16:44 | 4,525 | 32,980,071 | 14,481,000 | 0 | 2,510,848 | ||
| 37 | Nov 28, 2024 17:14 | 4,556 | 28,136,734 | 14,578,000 | 0 | 2,428,928 | ||
| 38 | Nov 28, 2024 17:14 | 4,562 | 31,479,902 | 13,556,000 | 1,042,000 | 2,437,120 | ||
| 39 | Nov 28, 2024 16:43 | 4,569 | 39,363,645 | 14,621,000 | 0 | 2,424,832 | ||
| 40 | Nov 28, 2024 16:43 | 4,578 | 36,400,963 | 14,651,000 | 0 | 2,420,736 | ||
| 41 | Nov 28, 2024 16:43 | 4,579 | 44,672,088 | 14,653,000 | 0 | 2,531,328 | ||
| 42 | Nov 28, 2024 17:14 | 4,587 | 34,416,783 | 13,631,000 | 1,048,000 | 2,433,024 | ||
| 43 | Nov 28, 2024 16:44 | 4,684 | 30,597,535 | 12,990,000 | 1,998,000 | 2,514,944 | ||
| 44 | Nov 28, 2024 16:44 | 4,689 | 30,868,727 | 14,006,000 | 1,000,000 | 2,531,328 | ||
| 45 | Nov 28, 2024 16:44 | 4,692 | 27,176,275 | 14,013,000 | 1,000,000 | 2,510,848 | ||
| 46 | Nov 28, 2024 16:44 | 4,710 | 31,799,006 | 15,073,000 | 0 | 2,531,328 | ||
| 47 | Nov 28, 2024 16:44 | 4,729 | 34,357,979 | 14,125,000 | 1,008,000 | 2,428,928 | ||
| 48 | Nov 28, 2024 16:44 | 4,736 | 32,999,486 | 14,144,000 | 1,010,000 | 2,437,120 | ||
| 49 | Nov 28, 2024 16:45 | 5,172 | 39,576,645 | 16,549,000 | 0 | 2,531,328 | ||
| 50 | Nov 28, 2024 16:45 | 5,182 | 39,899,065 | 16,582,000 | 0 | 2,531,328 | ||
| 51 | Nov 28, 2024 16:45 | 5,208 | 41,741,775 | 15,624,000 | 1,041,000 | 2,428,928 |