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NEWS.md
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NEWS.md
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@ -576,10 +576,10 @@ The following deprecated APIs are removed.
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### YJIT
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* YJIT now supports both x86-64 and arm64/aarch64 CPUs on Linux, MacOS, BSD and other UNIX platforms.
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* This release brings support for Mac M1/M2, AWS Graviton and Raspberry Pi 4 ARM64 processors.
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* Building YJIT requires Rust 1.58.0+. [[Feature #18481]]
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* In order to ensure that CRuby is built with YJIT, please install rustc >= 1.58.0 and
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run `./configure` with `--enable-yjit`.
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* This release brings support for Mac M1/M2, AWS Graviton and Raspberry Pi 4.
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* Building YJIT now requires Rust 1.58.0+. [[Feature #18481]]
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* In order to ensure that CRuby is built with YJIT, please install `rustc` >= 1.58.0
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before running `./configure`
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* Please reach out to the YJIT team should you run into any issues.
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* Physical memory for JIT code is lazily allocated. Unlike Ruby 3.1,
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the RSS of a Ruby process is minimized because virtual memory pages
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@ -587,11 +587,11 @@ The following deprecated APIs are removed.
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memory pages until actually utilized by JIT code.
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* Introduce Code GC that frees all code pages when the memory consumption
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by JIT code reaches `--yjit-exec-mem-size`.
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* RubyVM::YJIT.runtime_stats returns Code GC metrics in addition to
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* `RubyVM::YJIT.runtime_stats` returns Code GC metrics in addition to
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existing `inline_code_size` and `outlined_code_size` keys:
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`code_gc_count`, `live_page_count`, `freed_page_count`, and `freed_code_size`.
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* Most of the statistics produced by RubyVM::YJIT.runtime_stats are now available in release builds.
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* Simply run ruby with `--yjit-stats` to compute stats (incurs some run-time overhead).
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* Most of the statistics produced by `RubyVM::YJIT.runtime_stats` are now available in release builds.
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* Simply run ruby with `--yjit-stats` to compute and dump stats (incurs some run-time overhead).
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* YJIT is now optimized to take advantage of object shapes. [[Feature #18776]]
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* Take advantage of finer-grained constant invalidation to invalidate less code when defining new constants. [[Feature #18589]]
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* The default `--yjit-exec-mem-size` is changed to 128 (MiB).
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