Programmer DD

Sep 8, 2021 · Fundamentals

Parse 16‑Digit Timestamps Up to 700× Faster Than std::stringstream

This article explores why standard string‑to‑integer conversions become performance bottlenecks in high‑concurrency scenarios and presents a series of increasingly optimized C++ solutions—from native library calls to loop‑unrolled, byteswap, divide‑and‑conquer, and SIMD tricks—demonstrating dramatic speed gains backed by Google Benchmark results.