Parse integers Sergey Svistunov

Compute the sum of integers read from STDIN as fast as possible.

Input: 50 000 000 lines, each containing one integer in the range [0; 2147483647].

629871117
2024562523
1372689083
1021777120
2111176472

Output: The uint64 sum of all numbers, printed as a decimal string.

Note: Integer overflow is expected – use a 64-bit accumulator.

Back to listJul 26, 2024 13:56matsuoka-601matsuoka-601Error
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Run Statistics
#DateScoreWall TimeCPU UserCPU SystemMemoryError
1Jul 26, 2024 13:5600000Error: expected "53681072799941327 ", got "-------------------- N = 64 -------------------- AVX recursive : 0.024254 [ms], 21.6166 [GFLOPS] AVX recur+gemm: 0.024938 [ms], 21.0237 [GFLOPS] -------------------- N = 128 -------------------- AVX recursiv...