Sum of prime numbers Andrey Tsvetkov

Compute the sum of all prime numbers in a stream of binary integers as fast as possible.

Input: 1 000 000 uint32 values in little-endian binary on STDIN (4 bytes each).

Output: The uint64 sum of all values that are prime, printed as a decimal string.

Back to listMar 2, 2026 17:32NoSIMD_C#NoSIMD_C#Score: 118,964Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 2, 2026 17:32118,835129,576,866104,575,00002,347,008
2Mar 2, 2026 17:32118,964141,081,953102,675,0002,013,0002,486,272
3Mar 2, 2026 17:32119,120132,229,211103,828,000998,0002,326,528