Increasing speed of D applications to Intel C compiled applicaitons' standards

[Bill Baxter]

Teoman Soygul wrote:
> My personal benchmarks prove that applications written in D are 5%
> to 20% slower than identical code written in C and compiled with
> Intel C compilter 9. Does anyone know what to do with this
> problem? Is it a compiler specific problem (ie: D compiler lacking
> all the optimisation parameters) or the standard d libary or
> what??
> 
> Any information/idea would be appriciated. Before starting a big
> project, speed issues with D seems to be the biggest obstacle to
> overcome.
> 
> Teoman Soygul,
> Alsoft.

One thing you might want to do is to also compare with C code compiled 
using the Digital Mars C compiler since dmd and dmc use the same back 
end.  This should help clarify what's due to inherent differences in the 
languages and what's just differences in compiler optimization.

--bb