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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Challenges to Pipelining and Superscalar Design
I noted previously that there are conditions under which two arithmetic instructions cannot be “safely” dispatched in parallel for simultaneous execution by the DLW-2’s two ALUs. Such conditions are called hazards, and they can all be placed in one of three categories:
Data hazards
Structural hazards
Control hazards
Because pipelining is a form of parallel execution, these three types of hazards can also hinder pipelined execution, causing bubbles to occur in the pipeline. In the following three sections, I’ll discuss each of these types of hazards. I won’t go into a huge amount of detail about the tricks that computer architects use to eliminate them or alleviate their affects, because we’ll discuss ...
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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.