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Subject: Re: What is real difference in speed between DOS and 32 bits Windows... ?

Author: leonid

Date: 05:13:49 02/06/00

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On February 06, 2000 at 06:33:32, Thom Perry wrote:

>On February 05, 2000 at 08:50:21, leonid wrote:
>
>>Hello!
>>
>>What is real difference in speed between chess game written for DOS and
>>identical game but done for Windows 32 bits system? Just your idea or some
>>direct numbers from the game that you tried or wrote.
>>
>>Thanks!
>>Leonid.
>
>This doesn't directly answer your question, but I do have some
>information about MS DOS 6.22 versus the Windows 95 32 bit DOS, which I
>believe was called DOS 7.0.  I was training neural networks using a DOS
>program, so I logged a training session using DOS 6.22, then DOS 7.0 on a
>computer that had both systems installed.  The training session was 13%
>faster on DOS 6.22.  I assume, therefore, that a DOS chess program will
>also run faster in DOS 6.22 than DOS 7.0, or whatever the current Windows
>98 DOS is called.

Pretty strange and curious! How big was your program? But actually I want to
know if it used that much extended memory or expended memory.

Windows first versions for sure used DOS 7.0, later I don't know. We had even
for some time DOS 7 from other company but this big company never came with
upgrade. This last DOS was done probably more to impress the public that for
real desire to be new system company.

Leonid.



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