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544770d566
This commit allows objects that are safe to be freed in parallel to do so. A decrease in object freeing time can be seen in profiles. The benchmarks don't show much difference. Before: -------------- -------------------- ---------- --------- bench sequential free (ms) stddev (%) RSS (MiB) activerecord 242.3 7.4 84.3 chunky-png 439.1 0.6 75.6 erubi-rails 1221.2 4.2 132.7 hexapdf 1544.8 1.8 429.1 liquid-c 42.7 7.4 48.5 liquid-compile 41.4 8.3 52.2 liquid-render 100.6 3.0 56.8 mail 108.9 2.1 65.1 psych-load 1536.9 0.6 43.4 railsbench 1633.5 2.6 146.2 rubocop 126.5 15.8 142.1 ruby-lsp 129.6 9.7 112.2 sequel 47.9 6.5 44.6 shipit 1152.0 2.7 315.2 -------------- -------------------- ---------- --------- After: -------------- ------------------ ---------- --------- bench parallel free (ms) stddev (%) RSS (MiB) activerecord 235.1 5.5 87.4 chunky-png 440.8 0.8 68.1 erubi-rails 1105.3 0.8 128.0 hexapdf 1578.3 4.1 405.1 liquid-c 42.6 7.1 48.4 liquid-compile 41.5 8.1 52.1 liquid-render 101.2 2.8 53.3 mail 109.7 2.7 64.8 psych-load 1567.7 1.1 44.4 railsbench 1644.9 1.9 150.9 rubocop 125.6 15.4 148.5 ruby-lsp 127.9 5.8 104.6 sequel 48.2 6.1 44.1 shipit 1215.3 4.7 320.5 -------------- ------------------ ---------- --------- https://github.com/ruby/mmtk/commit/4f0b5fd2eb
What is Ruby?
Ruby is an interpreted object-oriented programming language often used for web development. It also offers many scripting features to process plain text and serialized files, or manage system tasks. It is simple, straightforward, and extensible.
Features of Ruby
- Simple Syntax
- Normal Object-oriented Features (e.g. class, method calls)
- Advanced Object-oriented Features (e.g. mix-in, singleton-method)
- Operator Overloading
- Exception Handling
- Iterators and Closures
- Garbage Collection
- Dynamic Loading of Object Files (on some architectures)
- Highly Portable (works on many Unix-like/POSIX compatible platforms as well as Windows, macOS, etc.) cf. https://docs.ruby-lang.org/en/master/maintainers_md.html#label-Platform+Maintainers
How to get Ruby
For a complete list of ways to install Ruby, including using third-party tools like rvm, see:
https://www.ruby-lang.org/en/downloads/
You can download release packages and the snapshot of the repository. If you want to download whole versions of Ruby, please visit https://www.ruby-lang.org/en/downloads/releases/.
Download with Git
The mirror of the Ruby source tree can be checked out with the following command:
$ git clone https://github.com/ruby/ruby.git
There are some other branches under development. Try the following command to see the list of branches:
$ git ls-remote https://github.com/ruby/ruby.git
You may also want to use https://git.ruby-lang.org/ruby.git (actual master of Ruby source) if you are a committer.
How to build
See Building Ruby
Ruby home page
Documentation
Mailing list
There is a mailing list to discuss Ruby. To subscribe to this list, please send the following phrase:
join
in the mail subject (not body) to the address ruby-talk-request@ml.ruby-lang.org.
Copying
See the file COPYING.
Feedback
Questions about the Ruby language can be asked on the Ruby-Talk mailing list or on websites like https://stackoverflow.com.
Bugs should be reported at https://bugs.ruby-lang.org. Read "Reporting Issues" for more information.
Contributing
See "Contributing to Ruby", which includes setup and build instructions.
The Author
Ruby was originally designed and developed by Yukihiro Matsumoto (Matz) in 1995.