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[DOC] Fix indentation

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RDoc markdown parser requires exact 4 spaces or tab as indentation.
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Nobuyoshi Nakada 2024-12-25 12:00:00 +09:00
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Notes: git 2024-12-25 03:03:45 +00:00 
Merged: https://github.com/ruby/ruby/pull/12464
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NEWS.md
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@ -468,30 +468,30 @@ The following bundled gems are promoted from default gems.
#### New features #### New features
* Command-line options * Command-line options
* `--yjit-mem-size` introduces a unified memory limit (default 128MiB) to track total YJIT memory usage, * `--yjit-mem-size` introduces a unified memory limit (default 128MiB) to track total YJIT memory usage,
providing a more intuitive alternative to the old `--yjit-exec-mem-size` option. providing a more intuitive alternative to the old `--yjit-exec-mem-size` option.
* `--yjit-trace-exits=COUNTER` allows tracing of counted exits and fallbacks. * `--yjit-trace-exits=COUNTER` allows tracing of counted exits and fallbacks.
* `--yjit-log` enables a compilation log to track what gets compiled. * `--yjit-log` enables a compilation log to track what gets compiled.
* Ruby API * Ruby API
* `RubyVM::YJIT.enable(log: true)` also enables a compilation log. * `RubyVM::YJIT.enable(log: true)` also enables a compilation log.
* `RubyVM::YJIT.log` provides access to the tail of the compilation log at run-time. * `RubyVM::YJIT.log` provides access to the tail of the compilation log at run-time.
* YJIT stats * YJIT stats
* `RubyVM::YJIT.runtime_stats` now always provides additional statistics on * `RubyVM::YJIT.runtime_stats` now always provides additional statistics on
invalidation, inlining, and metadata encoding. invalidation, inlining, and metadata encoding.
* `RubyVM::YJIT.runtime_stats[:iseq_calls]` is added to profile non-inlined Ruby method calls. * `RubyVM::YJIT.runtime_stats[:iseq_calls]` is added to profile non-inlined Ruby method calls.
* `RubyVM::YJIT.runtime_stats[:cfunc_calls]` is truncated to the top 20 entries for better performance. * `RubyVM::YJIT.runtime_stats[:cfunc_calls]` is truncated to the top 20 entries for better performance.
#### New optimizations #### New optimizations
* Compressed context reduces memory needed to store YJIT metadata * Compressed context reduces memory needed to store YJIT metadata
* Improved allocator with ability to allocate registers for local variables * Improved allocator with ability to allocate registers for local variables
* When YJIT is enabled, use more Core primitives written in Ruby: * When YJIT is enabled, use more Core primitives written in Ruby:
* `Array#each`, `Array#select`, `Array#map` rewritten in Ruby for better performance [[Feature #20182]]. * `Array#each`, `Array#select`, `Array#map` rewritten in Ruby for better performance [[Feature #20182]].
* Ability to inline small/trivial methods such as: * Ability to inline small/trivial methods such as:
* Empty methods * Empty methods
* Methods returning a constant * Methods returning a constant
* Methods returning `self` * Methods returning `self`
* Methods directly returning an argument * Methods directly returning an argument
* Specialized codegen for many more runtime methods * Specialized codegen for many more runtime methods
* Optimize `String#getbyte`, `String#setbyte` and other string methods * Optimize `String#getbyte`, `String#setbyte` and other string methods
* Optimize bitwise operations to speed up low-level bit/byte manipulation * Optimize bitwise operations to speed up low-level bit/byte manipulation