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From: Brian Drummond <brian@shapes.demon.co.uk>
Newsgroups: comp.lang.ada
Subject: Re: Why does Ada compile slower than Python?
Date: Tue, 3 Oct 2017 11:31:29 -0000 (UTC)
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On Mon, 02 Oct 2017 18:11:39 -0700, gautier_niouzes wrote:

> Le mardi 3 octobre 2017 01:01:35 UTC+2, Victor Porton a écrit :
>> Why does Ada compile much slower than Python, even in absence of
>> optimization?
> 
> It depends on the compiler. Some are faster, some are slower...

And the Gnat compiler relies on gcc, which runs hundreds or thousands of 
optimisation passes on the intermediate code before generating an 
executable output.

-- Brian