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by digeridoo
5002 days ago
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It's not like performance is a fundamental property of the language, it's just a matter of which tools are available. JITs outperforming compilers is just a matter of specialized compilation approach being able to outperform a generalized compilation approach, which is actually a far more fundamental truth than abstractions having a performance penalty. LLVM outperforms GCC in some cases. However, in general JITs do not outperform GCC. The JIT overhead only pays off in a limited set of cases. Most people publishing performance benchmarks on the Internet barely know how to compile a C program for production, let alone write or benchmark one. Google did a thorough benchmark of several languages and C++ was the clear winner:
https://days2011.scala-lang.org/sites/days2011/files/ws3-1-H... |
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No. One person employed at Google did a comparison and lots of other people (including some others employed at Google) explained what they thought was wrong with that comparison.