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| -rw-r--r-- | NEWS.md | 6 |
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@@ -324,6 +324,12 @@ The following deprecated APIs are removed. * Support arm64 / aarch64 on UNIX platforms. * Building YJIT requires Rust 1.58.1+. [[Feature #18481]] +* Physical memory for JIT code is lazily allocated. Unlike Ruby 3.1, + the RSS of a Ruby process is minimized because virtual memory pages + allocated by `--yjit-exec-mem-size` will not be mapped to physical + memory pages until actually utilized by JIT code. +* Introduce Code GC that frees all code pages when the memory consumption + by JIT code reaches `--yjit-exec-mem-size`. ### MJIT |