Ruby 3.3’s YJIT: Faster While Using Less Memory | Rails at Scale

19-Dec-2023 805
This year, the YJIT team has been working hard to improve and optimize YJIT. We’re proud to say that the version of YJIT to be included with Ruby 3.3 is leaps and bounds ahead of Ruby 3.2’s. It provides better performance across the board, while also warming up faster and using less memory. The 3.3 release is also more robust, including a number of bug fixes along with an improved test suite. In this blog post, we share some early numbers.
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