#Render speed
5 messages in this thread
John,
Thanks for your numbers. How much RAM do you have, and how much and what type
of L2 cache?
Thanx again,
SCL
>>How much RAM do you have
64 megs.
>>how much and what type of L2 cache
256k.
John Stetzer
JWS
Sorry, just installed it yesterday and wanted to pass along the results as
quickly as possible. Re. the Display/No Display figures; indeed, go figure, but
there you have it (happened the same way 3 times in a row for each).
John,
Thanks for the add'l info. Main point of curiosity now is about cache —
pipelined burst or not?
Thanx again,
SCL
>>pipelined burst or not?
Yep (or so I was just told). Think the extra 256k cache contributed towards the
slight speed gap?
John Stetzer
JWS
John,
We're on the same wavelength. L2 size difference, and we're ignoring (1) the
effects of HD subsystems, (2) impact of memory managers, config.sys, autoexec
and 3DS.set differences, and (3) theoretically identical machines will, due to
manufacturing tolerances, vary slightly in speed.
Each of these variables could conceivably account for the difference by itself,
but likeliest is a combination of them.
If you're interested in trying to pick up that last few seconds, you could try
a few things like setting up a separate boot menuitem that loads a VERY minimal
configuration (no EMM386, no HIMEM.SYS, no memory manager at all) of just the
barest drivers necessary to run 3DS. If you still have 250K of low DOS
available, it may help. (I gather that a side effect of this is that you "lose"
all memory over 64 megs, so those with more may actually be going backwards by
trying this). On a DX2/66, I gained 10 secs/frame this way, but on two
different P90s, the effect was only a third or so. Let me know if you try it.
Thanks again,
SCL