At 03:53 PM 6/8/2005 +0200, Eric wrote:
> > FreeDOS MS-DOS7.10
> > UDMA2, no cache R=6.3 W=4.4 R=54.2 W=16.0
> > UDMA2, cache R=5.5 W=4.4 R=39.5 W=15.7
Bernd is probably right: EMM386, in particular Pentium VME-unaware
versions, can be the main cause of bad FreeDOS performance here.
V86 mode under DOS is probably the problem -- blaming EMM386 is too
specific. Plus there are no current facts or statistics to back up the
idea of whether VME support would make much difference. Until you or
another can perform the requisite testing, such remarks are at best premature.
If an EMM386 can be located which demonstrates measurably better
performance under identical conditions, then we have a thread of
possibility to research.
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