c++ - What's the best (for speed) arbitrary-precision library for C++?

Question

I need the fastest library that is available for C++. My platform will be x86 and x86-64 which supports floating points.

Answer 1

GMPLIB

GMP 是一个用于任意精度算术的免费库，在有符号的...基于 C++ 类的接口上运行以上所有内容。