Register are primary memory in hardware design that is also critical to the programmers when the computer is completed. Their importance can be revealed by “smaller is faster”, which is a well-known design principle that means a small number of registers can be helpful to make performance of a program faster.
1. Explain why a small number of registers in a computer will have better performance when executing programs. 2. But for a compiler, in general, it can generate high-performance code easily for a program if the target computer has a larger number of registers.
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2. But for a compiler, in general, it can generate high-performance code easily for a program if the target computer has a larger number of registers.