Why I chose D over Ada and Eiffel

[qznc]

On Thursday, 22 August 2013 at 19:28:42 UTC, Nick Sabalausky 
wrote:
> On Wed, 21 Aug 2013 18:50:35 +0200
> "Ramon" <spam at thanks.no> wrote:
>> 
>> I am *not* against keeping an eye on performance, by no means. 
>> Looking at Moore's law, however, and at the kind of computing 
>> power available nowadays even in smartphones, not to talk 
>> about 8 and 12 core PCs, I feel that the importance of 
>> performance is way overestimated (possibly following a 
>> formertimes justified tradition).
>> 
>
> Even if we assume Moore's law is as alive and well as ever, a 
> related
> note is that software tends to expand to fill the available
> computational power. When I can get slowdown in a text-entry 
> box on a
> 64-bit multi-core, I know that hardware and Moore's law, 
> practically
> speaking, have very little effect on real performance. At this 
> point,
> it's code that affects performance far more than anything else. 
> When we
> hail the great performance of modern web-as-a-platform by the 
> fact that
> it allows an i7 or some such to run Quake as well as a Pentium 
> 1 or 2
> did, then we know Moore's law effectively counts for squat -
> performance is no longer about hardware, it's about not writing
> inefficient software.
>
> Now I'm certainly not saying that we should try to wring every 
> last
> drop of performance out of every place where it doesn't even 
> matter
> (like C++ tends to do). But software developers' belief in 
> Moore's law
> has caused many of them to inadvertently cancel out, or even 
> reverse,
> the hardware speedups with code inefficiencies (which are 
> *easily*
> compoundable, and can and *do* exceed the 3x slowdown you 
> claimed in
> another post was unrealistic) - and, as JS-heavy web apps 
> prove, they
> haven't even gotten considerably more reliable as a result (Not 
> that JS
> is a good example of a reliability-oriented language - but a 
> lot of
> people certainly seem to think it is).

Moore's law is fine. The problem is power nowadays. Either the 
devices is mobile, which means we should try to save battery, or 
performance is limited by cooling.

MOre detail: http://beza1e1.tuxen.de/articles/power_wall.html