cunrollloop

2020年12月8日—Inproductionyou'dwanttohavethisfunctioncompiledtwodifferentways,benchmarkitonstartup,andchoosethefasterone.Without-funroll ...,2017年10月7日—(注意要編譯時要用-g帶入debugsymbol,objdump才能將程式碼對回組語的位置。關於debugsymbol的其它有趣應用,可以參考《如何從C/C++函式名稱找出 ...,LoopunrollinginCcode.Loopsareacommonconstructinmostprograms.Becauseasignificantamountofexecutiontimei...

optimization

2020年12月8日 — In production you'd want to have this function compiled two different ways, benchmark it on startup, and choose the faster one. Without -funroll ...

以費氏數列為例看loop unrolling 的效果

2017年10月7日 — ( 注意要編譯時要用 -g 帶入debug symbol, objdump 才能將程式碼對回組語的位置。關於debug symbol 的其它有趣應用,可以參考《如何從C/C++ 函式名稱找出 ...

Arm Compiler Software Development Guide Version 6.11

Loop unrolling in C code. Loops are a common construct in most programs. Because a significant amount of execution time is often spent in loops, it is ...

循環展開

[1] (頁面存檔備份,存於網際網路檔案館) Generalized Loop Unrolling, gives a concise introduction.

Loop unrolling

Loop unrolling, also known as loop unwinding, is a loop transformation technique that attempts to optimize a program's execution speed at the expense of its ...

#pragma unroll

Instructs the compiler to unroll loops by a factor of n . In other words, the body of a loop is replicated to create n copies and the number of iterations is ...

[C++] Loop Unrolling Using Metaprogramming

2014年10月26日 — [C++] Loop Unrolling Using Metaprogramming. Loop unrolling (迴圈展開) 是compiler 在編譯過程中基本常用的優化方式。然而, compiler 到底會不會 ...

Unrolling Loops (C)

2016年4月13日 — The process of unrolling loops utilizes an essential concept in computer science: the space-time tradeoff, where increasing the space used can ...

Generalized Loop-Unrolling: a Method for Program Speed

由 JC Huang 著作 · 被引用 63 次 — In an experiment using 10,000 pairs of random integers, the average speed-up factor is approximately 1.05. A possible alternative is to make use of exception ...