![]() ![]() This Write Great Code, Volume 1, 2nd Edition book gives you the foundation upon which all great software is built. After all, compilers don’t write the best machine code programmers do. But before you can write truly efficient code, you must understand how computer systems execute programs and how abstractions in programming languages map to the machine’s low-level hardware. ![]() How to best use the memory hierarchy to produce the fastest possible programs.How I/O devices operate, so you can maximize your application’s performance when accessing those devices.How the CPU operates, so you can write code that works the way the machine does.Unlike the arithmetic operations, a hexadecimal calculator isn’t necessary to perform these operations. How to organize your data, so the machine can access it efficiently Write Great Code 46Chapter 3 3.2 Logical Operations on Bits There are four main logical operations we’ll need to perform on hexa- decimal and binary numbers: AND, OR, XOR (exclusive-or), and NOT.How the machine represents numbers, strings, and high-level data structures, so you’ll know the inherent cost of using them.Written for high-level language programmers, Write Great Code, Volume 1: Understanding the Machine, 2nd Edition fills in the low-level details of machine organization that are often left out of computer science and engineering courses. This, the first volume in Randall Hyde’s Write Great Code series, dives into machine organization without the extra overhead of learning assembly language programming. Write Great Code, Volume 1: Understanding the Machine, 2nd Edition: Machine Architecture for Mere Mortals Publisher: WOW! eBook 2nd edition (July 31, 2020). ![]()
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