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From: Alexander Skobelev <al.skobelev@gmail.com>
Newsgroups: comp.lang.forth
Subject: Re: Apple's top secret Swift language
Date: Tue, 10 Jun 2014 09:17:40 +0400
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Marc Olschok <nobody@nowhere.invalid> writes:

> VisualForth.com <babruehl@gmail.com> wrote:
>> Is Apple's top secret Swift language Swift Forth?
>
> Or perhaps not quite so swift?
> <http://www.splasmata.com/?p=2798>
>
> I have not looked closer at the results.
>
> -- 
> Marc

There is a discussion on stackoverflow concerning Swift's perfomance:
http://stackoverflow.com/questions/24101718/swift-performance-sorting-arrays 

The conclusion is if you want to get it run almost as fast as C++ you
need to compile it with -Ofast switch. That yet, as was said, "changes
the semantics of the language a lot" (like switching off checks for
integer overflows and array index overflow).