Archive of posts with the tag TruffleRuby

• Nov 8, 2022: How Effective are Classic Lookup Optimizations for Rails Apps?

  We know that Ruby and especially Rails applications can be very dynamic and pretty large. Though, many of the optimizations interpreters and even just-in-time compilers use have been invented in the 1980s and 1990s before Ruby and Rails even existed. So, I was wondering: do these optimizations still have a chance of coping with the millions of lines of Ruby code that large Rails apps from Shopify, Stripe, or GitLab have? Unfortunately, we don’t have access to such applications. As the next best thing, we took the largest Ruby benchmarks we could get our hands on, and analyzed those.

• Oct 10, 2022: The Cost of Safety in Java

  Overhead of Null Checks, Array Bounds, and Class Cast Exceptions in GraalVM Native Image