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//! OpenDAL Performance Guide
//!
//! OpenDAL is designed in a zero-cost abstraction way, which means that
//! users won't pay for the abstraction cost if they don't use it. But this
//! can also means that users can't maximize the performance of OpenDAL
//! if they don't know how to use it.
//!
//! This document will introduce some tips to improve the performance of
//! OpenDAL.