Am 29.07.2015 um 17:01 schrieb Aurelien Jarno:
The point is that emulation has a cost, and it's quite difficult to to lower it and thus improve the emulation speed.
so its just not strange for you to see an 1/100...200 of the native x64 speed under qemu/SPARC64 i hoped that someone will jump up an shout "its impossible - it needs to be a bug" ...sadly not