GDC vs dmd speed

[Spacen Jasset]

On 14/10/2013 22:22, Walter Bright wrote:
> On 10/14/2013 12:24 PM, Spacen Jasset wrote:
>> dmd32 v2.063.2
>> with flags: ["-O", "-release", "-noboundscheck", "-inline"]
>>
>> gdc 4.6 (0.29.1-4.6.4-1ubuntu4) Which I assume might be v2.020?
>> with flags: ["-O2"]
>
> dmd uses the x87 for 32 bit code for floating point, while gdc uses the
> SIMD instructions, which are faster.
>
> For 64 bit code, dmd uses SIMD instructions too.
>
Thanks Walter. I shall find a 64 bit system at some point to compare.