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 18:17NoSIMD_C#NoSIMD_C#Score: 153,531Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 2, 2026 18:17152,707165,381,111130,371,0004,011,0002,322,432
2Mar 2, 2026 18:17153,531164,791,923133,106,0002,001,0002,543,616
3Mar 2, 2026 18:17153,774166,246,363133,317,0002,004,0002,510,848