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C++20 std::format vs snprintf & std::stringstream Benchmarks [Discussion #8]

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4y ago · Mar 16, 2022 10:42 AM

C++20 std::format combines the type-safety of std::stringstream with the performance of snprintf without needing manual buffer sizing.

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4y ago · Mar 16, 2022 12:52 PM

std::format is significantly faster than iostreams because it does not allocate locale objects or virtual call overhead on every stream insertion.

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4y ago · Mar 16, 2022 1:52 PM

In C++23, std::print also outputs directly to terminal stdout with UTF-8 support without formatting into an intermediate string first!

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