December 2017
Intermediate to advanced
718 pages
23h 14m
English
Content preview from High Performance ComputingBecome 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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Chapter 20
Checkpointing
Abstract
Checkpointing is the process of saving the necessary data from a running application to allow later resumption of the application in the event of system failure or to work around wallclock time execution limitations on a supercomputer. As such, it is a particular feature of high performance computing input/output (I/O), with generally more flexibility in how fast it may occur when compared with other I/O operations. Application checkpoint and restart may be performed entirely by the system without any change to the application code using one of the several available system-level checkpointing tools. Alternatively, application checkpoint and restart may be designed and executed entirely by the application user, with ...
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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.