Re: C++0x and Threads - a poor relation to Ada's tasking model?

[Brian Drummond <brian_drummond@btconnect.com>]

On Thu, 13 Aug 2009 14:28:43 +0200, "Dmitry A. Kazakov"
<mailbox@dmitry-kazakov.de> wrote:

>On Thu, 13 Aug 2009 13:32:18 +0200, Pascal Obry wrote:
>
>>> Don't you wonder why should it be this way? Shouldn't safer code be more
>>> efficient?
>> 
>> Should... maybe! My experiences is often that Ada is a *bit* slower. I 
>> have also some experiences where a concurrent and distributed 
>> application in Ada was a bit faster than a C++ one using OpenMP + MPI.
>
>In that case there must be something suboptimal in the language design.
>
>I would also argue that where C++ is faster, the corresponding C++ code is
>probably wrong, which a full coverage test would show. The trick is, that
>nobody tests the code.

It's also likely that there are two orders of magnitude more eyes on the C++
compiler's performance, and that must count for something.
Just look at the progress a few pairs of eyes can make in a few days on one Ada
benchmark.

- Brian