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Karlos wrote:MOS speed advantage is not just down to its 68K emulation - the fact that the OS calls (usually the most time consuming) are PPC native helps just as much. No doubt register allocation is a trivial operation on PPC too ;-)
On my PC at least, 040 optimised code running in 040 emulation mode (all other UAE settings unchanged) is faster than than 020/882 code in 040 emulation mode. This is unusual, unless the 040 emulation is written differently in some way.
KennyR wrote:I meant more the fact that Trance is Hotspot JIT, the fastest variant available.
I suppose then it depends on the PC's CPU and memory bandwidth. If you say that 040 code is faster on WinUAE for you I believe you, but there's no logical reason why it should be faster (at least that I can think of).