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List:       kde
Subject:    RE: What can be done to accelerate KDE 1.
From:       dep <dep () westnet ! com>
Date:       1999-02-18 20:29:46
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On Thu, 18 Feb 1999, Calvin Bruce Ostrum wrote:

|If what you say is true, then the original poster is even 
|worse off (although I don't know how "major* the slowdown is
|in any case: 20% or so, I've heard, which is not necessarily
|that major).  My understanding was that (at least with 512K),
|that when using >64M. the first 64M was still cacheable using 
|the TX and VX chipsets, but that some boards didn't take 
|advantage of this fact.  So his actual situation may 
|depend upon what actual board he has. 

i found out about this when i put 128 megs on a triton chipset board
with 512k of cache but insufficient tag sram. the slowdown was obvious
and painful. at that time, i don't believe anyone had come up with a
way to cache the lower 64 and let the upper 64 go it alone, and i can
see where this might be difficult. it was sufficiently disappointing to
cause a mb upgrade. 

--
dep ___________________________________________________________________

 "Everyone wants to live at the expense of the state.  They forget that
 the state lives at the expense of everyone." -- Frederic Bastiat, 1848
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