Re: [hatari-devel] Very slow emulation when enabling Cycle Exact

[Thorsten Otto <admin@xxxxxxxxxxx>]

On Dienstag, 13. Februar 2018 23:46:27 CET Nicolas Pomarède wrote:
> So, during this same second, your host PC will need to emulate twice as
> much instruction, which take make more work.

I still don't understand why Hatari is so slow in that emulation. For 
comparison, Aranym uses a similar cpu core for the emulation (yes i know its a 
much older version, maybe more comparable to Hatari old uae cpu core). In 
comparison to Hatari, it does not do any cycle counting, so basically it is 
running in fast-forward mode all the time. In this mode, on an I7 cpu,without 
JIT, it is able to run about  10 times as fast  as a 32Mhz Falcon. So 
essentially, only 10% of the cpu power is needed to achieve the speed of 
32Mhz. I cannot believe that Hatari needs 90% of the hosts cpu power to count 
cycles.