Gentoo/Linux [gcc version 4.4.5, DMD 2.52, latest GDC with GCC 4.4.5, and latest LDC2] g++ -O3 [VIRT: 185MB, RES: 174MB] real 0m28.407s user 0m28.330s sys 0m0.070s DMD -O -release [VIRT: 94MB, RES: 92MB] real 0m43.232s user 0m42.980s sys 0m0.070s GDC -O3 [VIRT: 306MB, RES: 295MB] real 1m10.788s user 1m10.570s sys 0m0.190s LDC2 segmentation fault