GDC vs dmd speed

[John Colvin]

On Monday, 14 October 2013 at 19:24:27 UTC, Spacen Jasset wrote:
> gdc 4.6 (0.29.1-4.6.4-1ubuntu4) Which I assume might be v2.020?
> with flags: ["-O2"]

That's a really old gdc. If you can, upgrade to ubuntu 13.10 and 
you'll get a more up-to-date version. Alternatively, build from 
source: http://gdcproject.org/wiki/Installation/General    It'll 
take an age to run the compilation, but it's not hard to do.