Rust: Dropping heavy things in another thread can make your code 10000 times faster - Aaron Abrams

Rust: Dropping heavy things in another thread can make your code 10000 times faster When working on Rust applications or CLIs that need to show something to the end user as fast as possible I often find that a significant chunk of the time is usually spent not in doing any computations, but in dropping large data structures at the end of the function. For example, imagine you have a function that

[xorphitus]

巨大なデータ構造が対象だと仮にO(1)な処理であっても関数スコープを抜ける時の暗黙的なdeallocateでとても重くなる。回避方法として別スレッドに対象データ構造をmoveしてそのスレッド内でdropする、と

[bootJP]

rustに限らない気がするけどそれはそう