December 2006
Beginner
320 pages
11h 17m
English
Content preview from Inside the MachineBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Expanding Superscalar Processing with Execution Units
Most modern processors do more with superscalar execution than just adding a second ALU. Rather, they distribute the work of handling different types of instructions among different types of execution units. An execution unit is a block of circuitry in the processor’s back end that executes a certain category of instruction. For instance, you’ve already met the arithmetic logic unit (ALU), an execution unit that performs arithmetic and logical operations on integers. In this section we’ll take a closer look at the ALU, and you’ll learn about some other types of execution units for non-integer arithmetic operations, memory accesses, and branch instructions.
Basic Number Formats and Computer Arithmetic ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.