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Article #4281

Re: Using EMS vs. XMS in TC++

#4281
From: Brendan B. Boerner
Date: Wed, 16 Jan 1991 19:08
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In article <26342@uflorida.cis.ufl.EDU> jdb@reef.cis.ufl.edu (Brian K. W. Hook) writes:
>2.  Would it be more efficient to use Turbo C++ giving it all the XMS that
>my system had, or would I actually be better off relegating it to a disk
>cache?  (ie. is TC++ better at using XMS than a caching program?)

Offhand I'd say that you want to try to balance between the two.  If
you have a write-through cache, then everytime TC++ swaps using VROOMM,
you get a disk hit.  If you instead gave that 512K or 1024K to TC++,
then it could get by without writing.  However, you still want a cache
of some size to cache header files and what not (unless you have an IDE
disk - I was told by Swan Tech support not to use the cache program
that came with my Swan 386SX since it is meant for their customers who
order non-IDE drives.  He said that IDE had a 64K cache and coupled
with the speed of the drive a cache was unnecessary).

Brendan
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!boerner
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rutgers!cs.utexas.edu!boerner
From: boerner@cs.utexas.edu (Brendan B. Boerner)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Using EMS vs. XMS in TC++
Message-ID: <212@gorath.cs.utexas.edu>
Date: 16 Jan 91 19:08:12 GMT
References: <26342@uflorida.cis.ufl.EDU>
Distribution: usa
Organization: UT Austin Computation Center, Microcomputer Technologies
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