[phobos] std.algorithm.sort slow as molasses

[David Simcha]

See http://d.puremagic.com/issues/show_bug.cgi?id=3490

On 7/2/2010 6:10 PM, Jonathan M Davis wrote:
> On Friday, July 02, 2010 13:57:33 David Simcha wrote:
>
>    
>> bool evalPred(alias pred)(uint num) {
>>      // This line is to make sure that this function doesn't get inlined
>> into // main.  DMD doesn't inline functions that could throw.
>>      if(num == uint.max) {
>>          throw new Exception("");
>>      }
>>
>>      return pred(num);
>> }
>>      
> DMD doesn't inline functions that could throw? Isn't that rather restrictive?
> I'm assuming that that's functions with an actual throw statement rather than
> all functions that aren't nothrow, since that would _really_ be restrictive. But
> still, you could have a really small function that threw if a condition failed
> but otherwise just returned a value, and I would have thought that that would be
> worth inlining. I'm far from an expert once you're dealing with stuff that low-
> level, so there could be a very good reason that functions that could throw
> aren't inlined, but it does strike me as rather restrictive if you can't inline
> such functions.
>
> - Jonathan M Davis
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