Any usable SIMD implementation?

[9il via Digitalmars-d]

On Wednesday, 6 April 2016 at 00:45:54 UTC, Walter Bright wrote:
> On 4/5/2016 4:17 AM, 9il wrote:
>> What wrong for scientist to write `-mcpu=native`?
>
> Because it would affect all the code in the module and every 
> template it imports, which is a problem if you are using 
> 'static if' and want to compile different pieces with different 
> settings.

99.99% of them do not need to compile code with different 
settings. Furthermore 90% of them don't know what CPU their 
supercomputer has. They just want to have as fast code as 
possible without googling what CPU instructions are available for 
the CPU.