[4Walter&Andrei] D is 40 times slower. We need a new language feature!

[9il via Digitalmars-d]

On Saturday, 20 May 2017 at 03:53:19 UTC, Nicholas Wilson wrote:
> On Saturday, 20 May 2017 at 03:24:41 UTC, 9il wrote:
>> Hello,
>>
>> When users write math code, they expect [2, 3, 4] that the 
>> code like
>>
>> [...]
>
> I assume you compiled with LDC and used pragma(inline, true). 
> Have you had a chance to look at what 
> `-fsave-optimization-record` gives you? (This was adde to LDC 
> master 3 days ago.) That may give some insight as to why it was 
> not vectorised, e.g. bounds checks not removed.
>
> I dont think we need a new language feature for this.

No. It is exactly because it is single function for column and 
row indexes.