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Re: Speedometer Results Overrated?



Clifford T. Matthews <ctm@ardi.com> writes:

>In addition, Executor has to be aware of self-modifying code.  After
>all, if it memorizes that a particular set of m68k instructions map
>into a set of x86 instructions, if the original m68k instructions are
>changed then Executor needs to throw away the mapped instructions and
>do another recompile.  I don't know how MACCHESS 2.0 works, but if it
>dynamically builds board evaluators and then jumps into them, then
>Executor's performance will suffer for that.

Why do you support instruction modification? The 040 and PPC Macs won't
always run programs which use instruction modification due to their
caches. 

--
Brian Quinlan    "Never ask what sort of computer a guy drives. If he's a Mac
quinlan@sfu.ca    user, he'll tell you. If not, why embarrass him?" - Tom Clancy


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