TruffleRuby - GraalVM Community Edition 1.0 RC6

TruffleRuby is high performance implementation of the Ruby programming language, compatible with MRI 2.4.4.

TruffleRuby is progressing fast but is currently probably not ready for you to try running your full Ruby application on. However it is ready for experimentation and curious end-users to try on their gems and smaller applications.

TruffleRuby runs Rails, and passes the majority of the Rails test suite. But it is missing support for Nokogiri and ActiveRecord database drivers which makes it not practical to run real Rails applications at the moment.

The Ruby language components can be installed in GraalVM using the gu utility.

Release Notes

New features:

• Polyglot.export can now be used with primitives, and will now convert
  strings to Java, and .import will convert them from Java.
• Implemented --encoding, --external-encoding, --internal-encoding.
• rb_object_tainted and similar C functions have been implemented.
• rb_struct_define_under has been implemented.
• RbConfig::CONFIG['sysconfdir'] has been implemented.
• Etc has been implemented (#1403).
• The -Xcexts=false option disables C extensions.
• Instrumentation such as the CPUSampler reports methods in a clearer way like
  Foo#bar, Gem::Specification.each_spec, block in Foo#bar instead of just
  bar, each_spec, block in bar (which is what MRI displays in backtraces).
• TruffleRuby is now usable as a JSR 223 (javax.script) language.
• A migration guide from JRuby (doc/user/jruby-migration.md) is now included.
• kind_of? works as an alias for is_a? on foreign objects.
• Boxed foreign strings unbox on to_s, to_str, and inspect.

Bug fixes:

• Fix false-positive circular warning during autoload.
• Fix Truffle::AtomicReference for concurrent-ruby.
• Correctly look up llvm-link along clang and opt so it is no longer
  needed to add LLVM to PATH on macOS for Homebrew and MacPorts.
• Fix alias to work when in a refinement module (#1394).
• Array#reject! no longer truncates the array if the block raises an
  exception for an element.
• WeakRef now has the same inheritance and methods as MRI's version.
• Support -Wl linker argument for C extensions. Fixes compilation ofmysql2
  and pg.
• Using Module#const_get with a scoped argument will now correctly
  autoload the constant if needed.
• Loaded files are read as raw bytes, rather than as a UTF-8 string and then
  converted back into bytes.
• Return 'DEFAULT' for Signal.trap(:INT) {}. Avoids a backtrace when quitting
  a Sinatra server with Ctrl+C.
• Support Signal.trap('PIPE', 'SYSTEM_DEFAULT'), used by the gem rouge
  (#1411).
• Fix arity checks and handling of arity -2 for rb_define_method().
• Setting $SAFE to a negative value now raises a SecurityError.
• The offset of DATA is now correct in the presence of heredocs.
• Fix double-loading of the json gem, which led to duplicate constant
  definition warnings.
• Fix definition of RB_NIL_P to be early enough. Fixes compilation of
  msgpack.
• Fix compilation of megamorphic interop calls.
• Kernel#singleton_methods now correctly ignores prepended modules of
  non-singleton classes. Fixes loading sass when activesupport is loaded.
• Object identity numbers should never be negative.

Performance:

• Optimize keyword rest arguments (def foo(**kwrest)).
• Optimize rejected (non-Symbol keys) keyword arguments.
• Source SecureRandom.random_bytes from /dev/urandom rather than OpenSSL.
• C extension bitcode is no longer encoded as Base64 to pass it to Sulong.
• Faster String#== using vectorization.

Changes:

• Clarified that all sources that come in from the Polyglot API eval method
  will be treated as UTF-8, and cannot be re-interpreted as another encoding
  using a magic comment.
• The -Xembedded option can now be set set on the launcher command line.
• The -Xplatform.native=false option can now load the core library, by
  enabling -Xpolyglot.stdio.
• $SAFE and Thread#safe_level now cannot be set to 1 - raising an error
  rather than warning as before. -Xsafe allows it to be set, but there are
  still no checks.
• Foreign objects are now printed as #<Foreign:system-identity-hash-code>,
  except for foreign arrays which are now printed as #<Foreign [elements...]>.
• Foreign objects to_s now calls inspect rather than Java's toString.
• The embedded configuration (-Xembedded) now warns about features which may
  not work well embedded, such as signals.
• The -Xsync.stdio option has been removed - use standard Ruby
  STDOUT.sync = true in your program instead.

TruffleRuby - GraalVM Community Edition 1.0 RC5

TruffleRuby is high performance implementation of the Ruby programming language, compatible with MRI 2.4.4.

TruffleRuby is progressing fast but is currently probably not ready for you to try running your full Ruby application on. However it is ready for experimentation and curious end-users to try on their gems and smaller applications.

TruffleRuby runs Rails, and passes the majority of the Rails test suite. But it is missing support for Nokogiri and ActiveRecord database drivers which makes it not practical to run real Rails applications at the moment.

The Ruby language components can be installed in GraalVM using the gu utility.

Release Notes

New features:

• It is no longer needed to add LLVM (/usr/local/opt/llvm@4/bin) to PATH on macOS.
• Improve error message when LLVM, clang or opt is missing.
• Automatically find LLVM and libssl with MacPorts on macOS (#1386).
• --log.ruby.level= can be used to set the log level from any launcher.
• Add documentation about installing with Ruby managers/installers and how to
  run TruffleRuby in CI such as TravisCI (#1062, #1070).
• String#unpack1 has been implemented.

Bug fixes:

• Allow any name for constants with rb_const_get()/rb_const_set() (#1380).
• Fix defined? with an autoload constant to not raise but return nil if the autoload fails (#1377).
• Binary Ruby Strings can now only be converted to Java Strings if they only
  contain US-ASCII characters. Otherwise, they would produce garbled Java Strings (#1376).
• #autoload now correctly calls main.require(path) dynamically.
• Hide internal file from user-level backtraces (#1375).
• Show caller information in warnings from the core library (#1375).
• #require and #require_relative should keep symlinks in $" and __FILE__ (#1383).
• Random seeds now always come directly from /dev/urandom for MRI compatibility.
• SIGINFO, SIGEMT and SIGPWR are now defined (#1382).
• Optional and operator assignment expressions now return the value
  assigned, not the value returned by an assignment method (#1391).
• WeakRef.new will now return the correct type of object, even if WeakRef is subclassed (#1391).
• Resolving constants in prepended modules failed, this has now been fixed (#1391).
• Send and Symbol#to_proc now take account of refinements at their call sites (#1391).
• Better warning when the timezone cannot be found on WSL (#1393).
• Allow special encoding names in String#force_encoding and raise an exception on bad encoding names (#1397).
• Fix Socket.getifaddrs which would wrongly return an empty array (#1375).
• Binding now remembers the file and line at which it was created for #eval.
  This is notably used by pry's binding.pry.
• Resolve symlinks in GEM_HOME and GEM_PATH to avoid related problems (#1383).
• Refactor and fix #autoload so other threads see the constant defined while
  the autoload is in progress (#1332).
• Strings backed by NativeRopes now make a copy of the rope when duped.
• String#unpack now taints return strings if the format was tainted, and
  now does not taint the return array if the format was tainted.
• Lots of fixes to Array#pack and String#unpack tainting, and a better
  implementation of P and p.
• Array literals could evaluate an element twice under some circumstances.

Performance:

• Optimize required and optional keyword arguments.
• rb_enc_to_index is now faster by eliminating an expensive look-up.

Changes:

• -Xlog= now needs log level names to be upper case.
• -Dtruffleruby.log and TRUFFLERUBY_LOG have been removed -
  use -Dpolyglot.log.ruby.level.
• The log format, handlers, etc are now managed by the Truffle logging system.
• The custom log levels PERFORMANCE and PATCH have been removed.

TruffleRuby - GraalVM Community Edition 1.0 RC4

RC4 only updates the functionality of Graal JavaScript.
Therefore, RC4 does not update the functionality of the Ruby component compared to RC3.
Ruby users only need to update to RC4 if they want to use Ruby from GraalVM 1.0.0 RC4.

TruffleRuby - GraalVM Community Edition 1.0 RC3

TruffleRuby is high performance implementation of the Ruby programming language, compatible with MRI 2.4.4.

TruffleRuby is progressing fast but is currently probably not ready for you to try running your full Ruby application on. However it is ready for experimentation and curious end-users to try on their gems and smaller applications.

TruffleRuby runs Rails, and passes the majority of the Rails test suite. But it is missing support for Nokogiri and ActiveRecord database drivers which makes it not practical to run real Rails applications at the moment.

The Ruby language components can be installed in GraalVM using the gu utility.

Release Notes

• is_a? can be called on foreign objects.
• Qnil/Qtrue/Qfalse/Qundef can now be used as initial value for global variables in C extensions.
• SIGPIPE is correctly caught on SubstrateVM, and the corresponding write() raises Errno::EPIPE when the read end of a pipe or socket is closed (#1375).
• Use the magic encoding comment for determining the source encoding when using eval() (#1376).
• Faster stat()-related calls, by returning the relevant field directly and avoiding extra allocations.
• rb_str_new()/rb_str_new_cstr() are much faster by avoiding extra copying and allocations.
• String#{sub,sub!} are faster in the common case of an empty replacement string.
• Improved reading from IO with a delimiter (e.g., IO#each), improves e.g. iterating through lines in a File.
• Use the byte[] of the given Ruby String when calling eval() directly for parsing.
• More details in https://github.com/oracle/truffleruby/blob/master/CHANGELOG.md

TruffleRuby - GraalVM Community Edition 1.0 RC2

TruffleRuby is high performance implementation of the Ruby programming language, compatible with MRI 2.4.4.

TruffleRuby is progressing fast but is currently probably not ready for you to try running your full Ruby application on. However it is ready for experimentation and curious end-users to try on their gems and smaller applications.

TruffleRuby runs Rails, and passes the majority of the Rails test suite. But it is missing support for Nokogiri and ActiveRecord database drivers which makes it not practical to run real Rails applications at the moment.

The Ruby language components can be installed in GraalVM using the gu utility.

Release Notes

• TruffleRuby is now compatible with Ruby 2.4.4.
• object.class on a Java Class object will give you an object on which you can call instance methods, rather than static methods which is what you get by default.
• Java.import name imports Java classes as top-level constants.
• Coercion of foreign numbers to Ruby numbers now works.
• to_s works on all foreign objects and calls the Java toString.
• to_str will try to UNBOX and then re-try to_str, in order to provoke the unboxing of foreign strings.
• More details in https://github.com/oracle/truffleruby/blob/master/CHANGELOG.md

TruffleRuby - GraalVM Community Edition 1.0 RC1

TruffleRuby is high performance implementation of the Ruby programming language, compatible with MRI 2.3.7.

TruffleRuby is progressing fast but is currently probably not ready for you to try running your full Ruby application on. However it is ready for experimentation and curious end-users to try on their gems and smaller applications.

TruffleRuby runs Rails, and passes the majority of the Rails test suite. But it is missing support for Nokogiri and ActiveRecord database drivers which makes it not practical to run real Rails applications at the moment.

The Ruby language components can be installed in GraalVM using the gu utility.