(Implementation Details of Ruby 2.0 VM).succ 笹田 耕一 Koichi Sasada [email protected] @koichisasada 1 (“Implementation Details of Ruby 2.0 VM”).succ #=> "Implementation Details of Ruby 2.0 VN" 笹田 耕一 Koichi Sasada [email protected] @koichisasada 2 (Implementation Details of Ruby 2.0 VM).succ != Ruby 2.0 sucks 笹田 耕一 Koichi Sasada [email protected] @koichisasada 3 (Implementation Details of Ruby 2.0 VM).succ == Ruby 2.0 Rocks! 笹田 耕一 Koichi Sasada [email protected] @koichisasada 4 Disclaimer • (As you can see) I can speak English little. http://www.flickr.com/photos/andosteinmetz/2901325908/ • Ask me an questions in 日本語 Japanese (WELCOME!), Ruby or SLOW English • All of I want to say is on the screen. You can read them. 5 Who am I ? • 笹田耕一 (Koichi Sasada) – Matz team at Heroku, Inc. • Full-time CRuby development – CRuby/MRI committer • Virtual machine (YARV) from Ruby 1.9 • YARV development since 2004/1/1 – 2.0 Release manager assistant • Organizing feature request • Many mails to ruby-core/ruby-dev 6 Matz team at Heroku, Inc. Matz @ Shimane Boss Communication with Skype ko1 @ Tokyo Nobu @ Tochigi me Drunker 7 Commit number/day of Ruby's trunk 90 80 70 60 50 40 total 30 20 10 0 8 Commit number/day of Ruby's trunk 90 80 70 60 50 40 total 30 matz 20 10 0 9 Commit number/day of Ruby's trunk 90 80 70 60 50 total 40 matz 30 20 ko1 10 0 10 Commit number/day of Ruby's trunk 90 80 70 60 total 50 40 matz 30 ko1 20 nobu 10 0 11 Today’s topics • Ruby 2.0 Features • Ruby 2.0 Optimizations – Method dispatch • After Ruby 2.0 12 Ruby 2.0 20th Anniversary Release of Ruby language will be release at 2013/02/24 (Fixed) ADD (Anniversary Driven Development) 13 Ruby 2.0 Release policy • Compatibility (Ruby level) • Compatibility (Ruby level) • Compatibility (Ruby level) • Usability • Performance 14 Ruby 2.0 Roadmap 2012/Dec 2013/2/24 2012/Oct Now 2013/Jan Ruby 2.0 Release Feature freeze Preview2 RC1 (20th anniversary) 2012/Aug 2012/Nov 2012/Dec 2013/Feb “Big-feature” freeze Preview1 X’mas RC2 (was ignored) Code freeze Only about *few weeks* to introduce new codes “[ruby-core:40301] A rough release schedule for 2.0.0” and Endo-san’s (release manager) leak 15 Introduction of Ruby 2.0 features What features are introduced? 16 # -*- rdoc -*- "Fiber#transfer". * __callee__ has returned * added nil.to_h which variable has been set. * new methods: This version is largely now stringifies the given * String#chars to the original behavior, and returns {} * added * Net::HTTP#local_host OpenSSL::SSL::OP_DONT_INSE backwards-compatible with object using to_s. * String#codepoints = NEWS for Ruby 2.0.0 * File now Thread#backtrace_locations * Net::HTTP#local_host= RT_EMPTY_FRAGMENTS. previous rdoc versions. * Shellwords#shelljoin() * String#bytes * extended method: returns the called name * Process which returns similar * Net::HTTP#local_port * OpenSSL requires The most notable change is accepts non-string objects in but not the original name in an information of passwords for decrypting an update to the ri data format the given This document is a list of user * File.fnmatch? now * added method: * Net::HTTP#local_port= These methods no longer aliased method. Kernel#caller_locations. PEM-encoded files to be at (ri data must array, each of which is visible feature changes made expands braces in the pattern * added getsid for getting * extended method: return an Enumerator, * Kernel#inspect does not * incompatible changes: least be regenerated for gems stringified using to_s. between if session id (unix only). * Net::HTTP#connect uses although passing a call #to_s anymore * Thread#join and four characters long. This shared across rdoc versions). releases except for bug fixes. File::FNM_EXTGLOB local_host and local_port if led to awkward situations Further API changes block is still supported for option is given. (it used to call redefined * Range Thread#value now raises a specified. * syslog backwards compatibility. #to_s). ThreadError if target thread where an export with are internal and won't affect Note that each entry is kept so * added method: * Added Syslog::Logger which is the current or main a password with fewer than most users. provides a Logger API atop brief that no reason behind or * GC * added Range#size for lazy * net/imap four characters was possible, Code like * LoadError thread. Syslog. reference information is * improvements: size evaluation. * new methods: but accessing the str.lines.with_index(1) { |line, * added method: See * Syslog::Priority, lineno| ... } no longer supplied with. For a full list of * introduced the bitmap * added Range#bsearch for * Net::IMAP.default_port file afterwards failed. https://github.com/rdoc/rdoc/ changes * added LoadError#path * Time Syslog::Level, Syslog::Option works because str.lines marking which suppresses to binary search. * OpenSSL::PKey::RSA, blob/master/History.rdoc for a and Syslog::Macros with all sufficient information, copy a memory page method to return the file * change return value: OpenSSL::PKey::DSA and list of returns an array. Replace lines name that could not be Net::IMAP.default_imap_port are introduced for easy with see the ChangeLog file. with Copy-on-Write. * Signal * Time#to_s returned OpenSSL::PKey::EC changes in rdoc 4.0. loaded. encoding defaults to US-ASCII * detection of available each_line in such cases. * introduced the non- * added method: Net::IMAP.default_tls_port therefore now enforce the constants on a == Changes since the 1.9.3 recursive marking which but automatically same check when exporting a * added Signal.signame transcodes to * * resolv running system. release avoids unexpected stack * Module which returns signal name Net::IMAP.default_ssl_port private key to PEM with a * Signal.trap overflow. Encoding.default_internal if it password - it has to be at least * new methods: * added method: * is set. four characters * Resolv::DNS#timeouts= * tmpdir === C API updates * added Module#prepend * incompatible changes: Net::IMAP.default_imaps_port See above. * GC::Profiler which is similar to long. * * incompatible changes: * NUM2SHORT() and * Signal.trap raises Resolv::DNS::Config#timeouts NUM2USHORT() added. They * added method: Module#include, * TracePoint * SSL/TLS support for the * Dir.mktmpdir uses ArgumentError * objspace = FileUtils.remove_entry instead * Merge Onigmo. are similar to NUM2INT, but * added however a method in the * new class. This class is Next Protocol Negotiation when :SEGV, :BUS, :ILL, :FPE, : replacement of set_trace_func. * new method: extension. Supported of https://github.com/k- short. GC::Profiler.raw_data which prepended module overrides VTALRM takata/Onigmo * rb_newobj_of() and returns raw profile data for GC. the Easy to use and efficient * with OpenSSL 1.0.1 and * rexml are specified. ObjectSpace.reachable_object FileUtils.remove_entry_secure. NEWOBJ_OF() added. They corresponding method in implementation. higher. * REXML::Document#write create a new object of a given the prepending module. s_from(obj) * OpenSSL::OPENSSL_FIPS supports Hash arguments. This means that applications * The :close_others option is * Hash should not true by default for system() class. * added Module#refine, * String * toplevel allows client applications to * REXML::Document#write * added method: change the permission of and exec(). which extends a class or * added method: * added method: * openssl detect whether OpenSSL supports new :encoding * added Hash#to_h as module locally. * added String#b returning * Consistently raise an error is running in FIPS mode and option. It changes the created temporary Also, the close-on-exec flag === Library updates explicit conversion method, * added directory to make is set by default for all new file (outstanding ones only) [experimental] a copied string whose when trying to encode nil to react to the special XML document encoding. like Array#to_a. main.define_method which accessible from other users. descriptors. * added encoding is ASCII-8BIT. defines a global function. values. All instances requirements this Without :encoding option, * extended method: * change return value: of OpenSSL::ASN1::Primitive might impy. encoding in This means file descriptors * builtin classes Module#refinements, which doesn't inherit to spawned * Hash#default_proc= can returns refinements defined in * String#lines now returns now raise TypeError when XML declaration is used for * yaml be passed nil to clear the * cgi process unless the an array instead of an calling to_der on an * ostruct XML document encoding. * Syck has been removed. * Array default proc. enumerator. * Add HTML5 tag maker. instance whose value is nil. YAML now completely explicitly requested such as receiver. [experimental] * new methods: system(..., fd=>fd). * added method: * String#chars now returns * CGI#header has been All instances of * RubyGems depends on libyaml being * added Module#using, renamed to CGI#http_header * OpenStruct#[], []= * added Array#bsearch for * Kernel which imports refinements an array instead of an OpenSSL::ASN1::Constructive * Updated to 2.0.0.preview2 installed. binary search. and * OpenStruct#each_pair * Kernel#respond_to? * added method: into the receiver. enumerator. raise NoMethodError in the * incompatible changes: aliased to CGI#header. same case. Constructing such * OpenStruct#eql? against a protected method * added Kernel#Hash [experimental] * String#codepoints now RubyGems 2.0.0 features * zlib * random parameter of conversion method like Array() returns an array instead of an * When HTML5 tagmaker values is still * OpenStruct#hash now returns false You * extended method: cancalled, overwrite readCGI#header, themthe following improvements: * Added streaming support unless the second argument Array#shuffle! and or Float(). enumerator. permitted. * OpenStruct#to_h converts * Module#define_method for Zlib::Inflate and is true. Array#sample now * added Kernel#using, * String#bytes now returns CGI#header function is to * TLS 1.1 & 1.2 support by the struct to a hash. Zlib::Deflate. This allows accepts a UnboundMethod create a <header> element. * Improved support for will be called with one which imports refinements from a Module. an array instead of an setting * extended method: processing of a stream argument, maximum value. into the current scope.