August 2011
Intermediate to advanced
280 pages
6h 50m
English
Content preview from Programming Concurrency on the JVM
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Chapter 2Division of Labor
The most effective way to do it is to do it.
Amelia Earhart
The long-awaited multicore processor arrives tomorrow, and you can’t wait to see how the app you’re building runs on it. You’ve run it several times on a single core, but you’re eager to see the speedup on the new machine. Is the speedup going to be in proportion to the number of cores? More? Less? A lot less? I’ve been there and have felt the struggle to arrive at a reasonable expectation.
You should’ve seen my face the first time I ran my code on a multicore and it performed much worse than I had expected. How could more cores yield slower speed? That was years ago, and I’ve grown wiser since and learned a few lessons along the way. Now I have better instinct ...
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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.