On Wed, 3 Mar 1999, Tom Zerucha wrote:
> Speeding up the clock shortens the time each wait state takes in equal
> proportion. So if you do overclock the CPU (on the newer palms), you
> might want to add wait states - which will partially negate the benefit
> from overclocking.
>
> Having experimented on my Palm III with TRG SPXL board, my Concorde
> program - which I hand optimized the critical routines specifically to
> minimize memory access (see www.angelfire.com/mi/tzstuff for source and
> executable) given a very long search ("sardonyx" in Revelation 20 from
> Genesis 1:1):
>
> 2:13 Baseline (Normal Palm III - 3 wait state flash and RAM).
> Note: Running from flash in a stock Palm III (Not a TRG SPXL) will
> be slightly faster than running from RAM - probably due to
> RAM refresh, but I have no way to verify this.
1:58 Palm 3X and Palm 5 benched here. I am suprised since it is slower
than 1Ws flash, but the RAM and flash is supposed to be 1Ws.
> 1:42 Code running from flash with 1 wait state.
> 1:36 3 wait states, Eco Hack 23 Mhz overclock.
> 1:32 Code running from flash with 0 wait states.
> 1:16 Eco Hack 23 Mhz and 1 wait state.
>
> Eco Hack at 23Mhz and 0 wait states failed with a dialog box that had
> characters that I didn't recognize as belonging to any font :). At 0Ws,
> 19 Mhz overclock it said "Fatal Exception" and locked up.
