Slow code, slow

[ketmar]

H. S. Teoh wrote:

> The problem is not the Phobos implementation.  The problem is that the
> compiler's way of handling templates and CTFE needs to be improved.  We
> seriously need to muster some manpower to help Stefan finish newCTFE,
> and then we need to take a serious look at improving the current
> implementation of templates.

yeah, i'm not saying that phobos code is wrong. but being "not wrong" and 
being fast is not always the same. ;-)

>> still, we can be either smart, or have fast compile times, but not
>> both. T_T
> [...]
>
> I'll like to disagree. :-D  There's got to be a way to do this that
> doesn't have to compromise either way.  I mean, this is not like we're
> doing rocket science here, or solving an NP complete problem.  It's a
> straightforward way of recognizing a particular code pattern and
> applying 1-to-1 mappings.  The general case of completely arbitrary
> templates can still fallback to the current implementation.  The point
> is to optimize for specific template usage patterns that are common and
> yields big speedups, but still leave the door open for weirder, but less
> common, template code.

but until that brave new world materializes, we have a smart/fast dilemma. 
alas.