In article
<CAFWmK8yviiPz0_Lb=WmgYyzn_UWFwbad5+s+=VCayfG96x3kYg@mail.gmail.com>, J
Percival <perciv.js@gmail.com> wrote:
> The recompiler converts sections of ARM code as used by Acorn machines
> to the system's native code (x86 on PC) which are then executed directly
> which usually gives a speed boost compared to interpretation. The
> interpreter looks at each ARM instruction in turn and processes it
> without actually converting it. There are a few rare situations where
> the dynamic recompiler makes mistakes so it's basically a tradeoff
> between accuracy and speed. In general the recompiler works fine but if
> you run into problems, you can try the slower interpreter. You'll find
> recompiler/interpreter choices in many emulators for exactly this
> reason. The reason there's two different executables to choose between
> interpreter and recompiler is just an oddity specific to RPCEmu, most
> emulators just have the one executable and then let you configure it in
> the options.
> On Sun, 29 Dec 2019 at 07:47, Dave <dave@triffid.co.uk> wrote:
> > RPCEmu 0.9.2 on Win 10 Pro 64bit.
> > Running RISC OS 6.20 and RISC OS 5.27
> >
> > I was recently asked by a shoulder over-looker...
> > What's the difference between "Recompiler.exe" and "Interpreter.exe"?
> > And immediately followed on with, "Why two different ways to Run
> > something"?
> >
> > I have absolutely no idea, so couldn't answer.
> >
> > Is there an answer to each of the above questions?
> >
> > Thanks
> > Dave
> >
Thanks for the illumination, appreciated.
Dave
--
Dave Triffid
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