Bindings, Platforms, and Innovation
This presentation focuses on the Internet and separating myth from fact, history from the future, and the mundane from the imaginative. Bob Frankston presents a vision of what could and should be.
Tracking change and innovation in the enterprise software development community
Posted by Werner Schuster on Apr 29, 2008 10:46 AM
With Ruby 1.8.x, Ruby 1.9.x, Rubinius, JRuby, IronRuby and other Ruby implementations, a lot of developers are working on Ruby runtimes. To coordinate compatibility and the future of the Ruby platform, Ruby design meetings have been set up.Rubinius today has around 150 people who have received commit rights. The vast, vast majority of their work has been in the kernel, because this is the largest part of the whole system. And probably 95% of that work has been writing Ruby code. This means that for pretty much all contributers, helping with Rubinius means writing Ruby code. And thus to them, it is Ruby in Ruby.
In the new C++ VM (which is not yet complete but substantially implemented), we have 12,619 lines of C++, and in our kernel directory, we have 23,882 lines of, what now, oh, right Ruby code.Note: Both Evan's and Brian's blog posts were written in reply to a post by JRuby's Charles' Nutter, in which he takes issue with Rubinius' "Ruby in Ruby" motto.
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The C VM (named shotgun) was not our last word. Nor is the next generation C++ VM. They are both pragmatic steps toward a higher goal. And, let’s be very clear. We have not recently implemented a bunch of core methods in C. I’ve done two major pieces of rework recently that introduced a number of primitives (chunks of C code that access the VM directly). One was LookupTable, which was written in C because it is used heavily in the VM. However, it is exposed to Ruby code as well because, oh yes, we write a ton of stuff in Ruby, like stuff related to method and constant lookup. LookupTable acts a lot like a Hash, but separating it from Hash actually made Hash more clear and enabled writing even more of Hash in Ruby.
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