Tim Peters <tim@digicool.com>:
> The per-opcode fetch-decode-dispatch overhead is very high in SW too, so a
> register VM can win simply by cutting the number of opcodes needed to
> accomplish a given bit of useful work.
That's an interesting idea. OK, so possibly I was wrong -- I hadn't considered
that stack-push/stack-pop operations might introduce overhead comparable
to the order-of-magnitude speed difference between registers and main memory
in hardware. I'm still skeptical, but my mind is open.
--
<a href="http://www.tuxedo.org/~esr/">Eric S. Raymond</a>
You know why there's a Second Amendment? In case the government fails to
follow the first one.
-- Rush Limbaugh, in a moment of unaccustomed profundity 17 Aug 1993
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