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Ruby Performance Optimization: Why Ruby Is Slow, and How to Fix It
This is the first book ever that consolidates all the Ruby performance optimization advice in one place. It’s your comprehensive guide to memory optimization, CPU optimization, garbage collector tuning, profiling, measurements, performance testing, and more.
You’ll go from performance rookie to expert. First, you’ll learn the best practices for writing Ruby code that’s easy not only on the CPU, but also on memory, and that doesn’t trigger the dreaded garbage collector. You’ll find out that garbage collection accounts for 80% of slowdowns, and often takes more than 50% of your program’s execution time. And you’ll discover the bottlenecks in Rails code and learn how selective attribute loading and preloading can mitigate the performance costs of ActiveRecord.
As you advance to Ruby performance expert, you’ll learn how to profile your code, how to make sense out of profiler reports, and how to make optimization decisions based on them. You’ll make sure slow code doesn’t creep back into your Rails application by writing performance tests, and you’ll learn the right way to benchmark Rails.
And finally, you’ll dive into the Ruby interpreter internals to really understand why garbage collection makes Ruby so slow, and how you can tune it up.
You’ll go from performance rookie to expert. First, you’ll learn the best practices for writing Ruby code that’s easy not only on the CPU, but also on memory, and that doesn’t trigger the dreaded garbage collector. You’ll find out that garbage collection accounts for 80% of slowdowns, and often takes more than 50% of your program’s execution time. And you’ll discover the bottlenecks in Rails code and learn how selective attribute loading and preloading can mitigate the performance costs of ActiveRecord.
As you advance to Ruby performance expert, you’ll learn how to profile your code, how to make sense out of profiler reports, and how to make optimization decisions based on them. You’ll make sure slow code doesn’t creep back into your Rails application by writing performance tests, and you’ll learn the right way to benchmark Rails.
And finally, you’ll dive into the Ruby interpreter internals to really understand why garbage collection makes Ruby so slow, and how you can tune it up.
170 pages, ebook
First published November 10, 2015
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Displaying 1 - 4 of 4 reviews
April 24, 2018
An interesting summary of very specific techniques and methods for optimizing Ruby. Surprisingly, it covered optimizing versions as old as 1.8! In that regard it was a nearly academic overview of Ruby’s GC internals. In that regard the metrics analyzed in “Ruby Under The Microscope” is more interesting.
August 15, 2019
Solid book, and great start into the subject matter. Well worth the money.
September 25, 2019
Great book on optimizing the performance of your Ruby applications. Top tip: reduce memory allocation. What is not allocated does not need to be freed by the GC.
July 8, 2023
Not everything will be super useful to you but, overall, this is a must read for Ruby developers.
Displaying 1 - 4 of 4 reviews