loopoverhead

由 JC Huang 著作 · 被引用 63 次 — Loop unrolling was initially developed for reducing loop overhead and for exposing instruction- level parallelism for machines with multiple functional units.

The main benefits of loop unrolling are similar to those of function inlining: Loop overhead, i.e., incrementing and testing of the loop counter, is reduced.

2010年12月12日 — Overhead Profiler-开源 · 这是一个简单的C / C ++工具，用于准确地描述多线程应用程序中的某些功能/代码块。 特别是，此工具可用于精确测量开销。

The overhead in tight loops often consists of instructions to increment a pointer or index to the next element in an array (pointer arithmetic), as well as  ...

2014年10月26日 — Loop unrolling 是把編譯期就已知迴圈次數的迴圈展開，變成許多重複的程式碼，藉此去除迴圈的overhead：判斷迴圈是否達到終止條件。舉例來說 int ...

Reducing Loop Overhead. Loop unrolling is a technique used to increase the number of instructions executed between executions of the loop branch logic. This ...

Zero-overhead looping is a feature of some processor instruction sets whose hardware can repeat the body of a loop automatically, rather than requiring software ...

2015年1月27日 — Given 1.0E6 iterations, 3.0E08 nanoseconds will be due to overhead. Subtract this quantity from your measurements for a more accurate ...