October 2014
Intermediate to advanced
300 pages
8h 30m
English
book
Optimizing HPC Applications with Intel® Cluster Tools
by Alexander Supalov, Andrey Semin, Michael Klemm, Christopher Dahnken
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CHAPTER 5
Addressing Application Bottlenecks: Distributed Memory
The first application optimization level accessible to the ever-busy performance analyst is the distributed memory one, normally expressed in terms of the Message Passing Interface (MPI).1 By its very nature, the distributed memory paradigm is concerned with communication. Some people consider all communication as overhead—that is, something intrinsically harmful that needs to be eliminated. We tend to call it “investment.” Indeed, by moving data around in the right manner, you hope to get more computational power in return. The main point, then, is to optimize this investment so ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.