cbusyloop

busy-waiting, · busy-looping or · spinning is a technique in which a process repeatedly checks to see if a condition is true, such as whether keyboard input or a ...

Left alone, this would have been a busy-wait loop, with the waiting thread wasting CPU time while failing to proceed. If you end up with a busy-wait loop, you ...

2011年10月1日 — Busy loop is loop that never blocks and continuously checks some condition. Small sleep is good enough to avoid 100% cpu usage. The best way to ...

A busy loop or more commonly busy wait is an active polling where the application is waiting on some event to occur and continuously checks for it.

2021年9月23日 — Generally with multi-threading you don't do busy waits. They don't work at all well on a single CPU, and just form a waste as the CPU isn't ...

2021年11月6日 — A busy loop is a loop which purposely wastes time waiting for something to happen. Normally, you would want to avoid busy loops at all costs ...

2021年12月5日 — A temp hack fix was merged that removes the busy loops, already confirmed that this causes stuttering on some machines but it can be turned off ...

2023年8月17日 — Busy looping is usually used to achieve mutual exclusion in operating systems. Mutual exclusion prevents processes from accessing a shared ...

在軟體工程中，忙碌等待（也稱自旋；英語：Busy waiting、busy-looping、spinning）是一種以行程反覆檢查一個條件是否為真為根本的技術，條件可能為鍵盤輸入或某個鎖 ...

2012年3月9日 — 而所謂的「忙碌迴圈（busy loop）」就是一種在迴圈裡只包括執行純粹CPU指令的動作，不僅不呼叫任何會造成等待的系統呼叫（system call）也不會等候任何 ...