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 17:42NoSIMD_C#NoSIMD_C#Score: 107,852Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 2, 2026 17:42107,765122,236,29293,835,000998,0002,494,464
2Mar 2, 2026 17:42107,852121,129,25093,911,000999,0002,514,944
3Mar 2, 2026 17:42108,055121,162,77892,086,0003,002,0002,531,328