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It doesn't work against precompiled native extensions, but it does work against wrappers against separate native libraries, like a databa...

It doesn't work against precompiled native extensions, but it does work against wrappers against separate native libraries, like a database driver or libpng or something like that. The C interpreter can interface with native code, and the JIT has special support for making those calls very fast [1] (it's not like JNI, for example). So the only thing it doesn't work for is precompiled native extensions where you don't have these source code - so maybe a proprietary C extension. Do you get many of those in practice? [1] http://dl.acm.org/citation.cfm?id=2500832

Posted by chrisseaton on Nov 5, 2014, 5:11 PM

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It doesn't work against precompiled native extensions, but it does work against wrappers against separate native libraries, like a databa...

chrisseatonNov 5, 2014, 5:11 PM

It doesn't work against precompiled native extensions, but it does work against wrappers against separate native libraries, like a database driver or libpng or something like that. The C interpreter can interface with native code, and the JIT has special support for making those calls very fast [1] (it's not like JNI, for example). So the only thing it doesn't work for is precompiled native extensions where you don't have these source code - so maybe a proprietary C extension. Do you get many of those in practice? [1] http://dl.acm.org/citation.cfm?id=2500832

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