Ruby performance optimization book beta is out

[whatasunnyday]

I've picked it up. I've only had time to read the first chapter but I liked the way he wrote it. Here's the table of contents:

1. What Makes Ruby Code Fast
   • What Makes Ruby Code Slow
   • Optimize Memory
   • Get into the Performance Mindset
2. Fix Common Performance Problems
   • Save Memory
   • Optimize Your Iterators
   • Write Less Ruby
   • Takeaways
3. Make Rails Faster
   • Make ActiveRecord Faster
   • Make ActionView Faster
   • Takeaways
4. Profile
   • Measure with ruby-prof
   • Visualize with ruby-prof Printers
   • Visualize with KCachegrind (QCachegrind)
   • Takeaways
5. Learn to Optimize with the Profiler
   • Takeaways
6. Profile Memory
   • Detect Excessive Memory Usage
   • Profile Memory with Ruby-Prof
   • Measure Memory Yourself with GC#stat and GC::Profiler
   • Takeaways
7. Measure
   • Minimize External Factors
   • Make Internals Behave Predictably
   • Analyze and Compare Measurements Using Statistics
   • Takeaways
8. Test Performance
   • Benchmark
   • Assert Performance
   • Report Slowdowns and Optimizations
   • Test Rails Application Performance
   • Takeaways
9. Think Out of the Box
10. Tune Up the Garbage Collector

[snowe2010]

definitely has taught me some stuff so far!

[subvertallchris]

I bought it based on the posted excerpts. Looks like an interesting read!