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Loop unrolling is a way to optimize a program's execution speed by reducing or eliminating the instructions that control the loop. Learn the advantages, disadvantages, and examples of loop unrolling in C and MIPS assembly language.
Duff's device is a C programming technique to manually implement loop unrolling by interleaving do-while and switch statements. It was invented by Tom Duff in 1983 to speed up a real-time animation program and is valid C but controversial.
Learn about different conventions for indenting blocks of source code in computer programming, such as the Allman style that uses braces on the same line as the control clause. Compare various styles with examples and research on their readability and effectiveness.
Control flow is the order in which statements, instructions or function calls of an imperative program are executed or evaluated. Learn about the primitives, categories and proposed control structures of control flow in computer science.
Learn how assignment statements set and/or re-set the value of variables in computer programming languages. Compare different notations, semantics, and variants of assignment, such as single assignment, augmented assignment, and parallel assignment.
for i from f by b to t while w do # loop body od; All parts except do and od are optional. The for i part, if present, must come first. The remaining parts (from f, by b, to t, while w) can appear in any order. Iterating over a container is done using this form of loop: for e in c while w do # loop body od;
A while loop is a control flow statement that repeats code until a condition is false. Learn how to write a while loop in different programming languages, such as C, Java, Python, and more, with examples and diagrams.
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