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For languages with exactly one useable implementation, the distinction is rather academic. In the case of C++, as far as I know, every production-quality compil

by gcv 12y ago

For languages with exactly one useable implementation, the distinction is rather academic. In the case of C++, as far as I know, every production-quality compiler produces code which runs circles around code produced by any Java compiler. In addition, some languages have features which cause them to be more difficult to optimize. (See, e.g., the restrict keyword in C99.)

Pacabel 12y ago
That has been my experience, as well. It's also important to remember that Java is still in this position even after almost 20 years of development. And this is development undertaken by large companies that were or are quite well funded, and have had very talented individuals work on this technology. If they've yet to get consistent C++-level performance out of Java or the JVM, it's most likely factors inherent to those technologies that are to blame.