D for scientific computing

Joseph Rushton Wakeling joseph.wakeling at webdrake.net
Thu Jan 24 02:41:42 PST 2013


On 01/24/2013 11:16 AM, Walter Bright wrote:
> If you use the 64 bit model, dmd will use SIMD instructions for float and
> double, which are much faster.

I generally find that dmd-compiled programs run at about half the speed of those 
built with gdc or ldc (the latter seem pretty much equivalent these days, some 
programs run faster compiled with one, some with the other).  That's running off 
latest GitHub source for all compilers.

That's been a fairly consistent speed difference for a long time.  And yes, I'm 
using 64-bit.


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