讓CPU瞎忙的忙碌迴圈

In computer science and software engineering, busy-waiting, busy-looping or spinning is a technique in which a process repeatedly checks to see if a ...

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 ...

2022年10月20日 — Basically: anytime you make a syscall, the kernel may have to wait for I/O, or it may decide that it's time to schedule a different process, or ...

2023年8月17日 — Busy waiting, also known as spinning, or busy looping is a process synchronization technique in which a process/task waits and constantly checks ...

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 ...

2018年7月10日 — Busy waiting ( Spinlock ) 技巧. 透過使用迴圈相關敘述達到讓Process 暫時等待該共享變數。 Cons. 在Spinlock 等待中的Porcess 會與 ...

Previous implementation of sleep uses busy wait. Therefore, my objective is to get rid of busy waiting as it waste CPU cycles, which is inefficient.

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 ...

2023年12月12日 — Busy waiting is defined as the process where the process or task continuously the processor and waits for the condition to be satisfied. Whereas ...