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 16:51NoSIMD_C#NoSIMD_C#Score: 290,995Success
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Mar 2, 2026 16:51290,825282,383,297254,927,000999,0002,433,024
2Mar 2, 2026 16:51290,995283,281,978253,076,0003,000,0002,433,024
3Mar 2, 2026 16:51291,730281,605,744252,727,0003,995,0002,494,464