Рэмбовидная проблема: особенности развития открытых технологий

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РэмбOвидная ПРОБЛЕМА особенности разработки современных языков программирования

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Alialksandr Lomau VETERANT EL “CAPITAN” DEPLOY https://speakerdeck.com/allomov https://twitter.com/code1n

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WHAT’S THAT ALL ABOUT?

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ромбовидная проблема? "DIAMOND INHERITANCE"

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ромовидная проблема? “пиратство и алкоголизм”

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рэбмовидная проблема!

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рэбмовидная проблема!

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WHAT’S THAT ALL ABOUT? RUBY JIT GOLANG DEPS AND RAMBOs

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RUBY

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Where is RAMBO?

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JIT Just In Time Compilation

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JIT Java И Товарищи

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deoptimization branch by Shyohei Urabe

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deoptimization branch by Shyohei Urabe •contains ﬁrst naive implementation of JIT •used very few of JIT optimizations, but uses less memory than full-power JIT implementation •submitted at 26 Aug 2016 Reference URL: https://github.com/ruby/ruby/pull/1419

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deoptimization branch by Shyohei Urabe •contains ﬁrst naive implementation of JIT •used very few of JIT optimizations, but uses less memory than full-power JIT implementation •submitted at 26 Aug 2016 •not merged (and will not be) Reference URL: https://github.com/ruby/ruby/pull/1419

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MJIT by Vladimir Makarov

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Vladimir Makarov RedHat

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MJIT by Vladimir Makarov Converted YARV to register-based instead of stack-based (smaller instructions but larger memory footprint). Built JIT on top of new VM implementation. MJIT can reach 230% performance of Ruby 2.0.0 but is pretty unstable.

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https://www.youtube.com/watch?v=qpZDw-p9yag

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Changed Completely

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MJIT-JARV by Takashi Kokubun Based on Vladimir Makarov’s work, but without changing Ruby VM to register-based. Several JIT optimizations were turned oﬀ. These reverted changes made JIT slower but more stable. Reference PR: https://github.com/ruby/ruby/pull/1782 Reference ticket: https://bugs.ruby-lang.org/issues/14235 Partially merged in trunk Able to run Rails stably.

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Kind of Happy End

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GO LANG

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Russ Cox Google

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VGO completely redefines the way go utility works

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Russ Cox (view from community)

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node.js

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Azer Koçulu

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RAMBO: REVENGE

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Azer Koçulu (view from community)

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Materials

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1.https://github.com/ruby/ruby/pull/1419 2.https://medium.com/square-corner-blog/rubys-new-jit-91a5c864dd10 3.https://bugs.ruby-lang.org/issues/12589 4.https://github.com/ruby/ruby/pull/1782 5.https://medium.com/@k0kubun/the-method-jit-compiler-for-ruby-2-6-388ee0989c13 6.https://vmakarov.fedorapeople.org/VMakarov-RubyKaigi2017.pdf 7.http://rubykaigi.org/2017/presentations/vnmakarov.html 8.https://github.com/vnmakarov/ruby/tree/rtl_mjit_branch#readme 9.https://research.swtch.com/vgo 10.https://www.theregister.co.uk/2016/03/23/npm_left_pad_chaos/ Links

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THANK YOU, all!