Mail Archives: djgpp/1994/08/05/13:16:50
>>
>> When I run djgpp on plain DOS, it is so slow that it seems hang
>> forever. For only one line program in C++, it took 2'30". But when I
run
>> the djgpp on Windows DOS box for the same program, it seems ok (it
took
>> 20"). I wonder what causes this problem.
>>
>> My machine is DX2/66 with 8M RAM. I use Smartdrive instead of RAM
>> drive. Any comments are very much appreciated.
>
> I posted a similar question not too long ago, so it's likely that
> you're having the same problem that I had.
> Anyway, what I was doing wrong was using EMM386 with its default
> 256 kb of expanded memory, so when go32 runs, it uses the expanded
> memory instead of extended memory. As a result of the small amount
> of memory (<256kb) it does a lot of swapping and slows down.
> When you're using a Windows dos box, Windows provides all the
> DPMI memory that is available, which is about 2-2.5 MB looking at
> your configuration of 8 MB, also depends on what you've got running
at
> the same moment.
> I just got rid of EMM386 and loaded everything low but I now have
> a lot more extended memory for go32 so gcc compiles faster. Hope
> this helps.
After I posted the original message on the group, I have received about
10 replies. It was indeed a memory problem, but it was caused by EMM386
not SMARTDRV as pointed out by Mr WT Wong. Thanks all of you for the
help. *I love this group.*
... Ganping Chen
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Ganping Chen, Ph.D || Email: gchen AT mailgate DOT datap DOT ca
System Engineer/Analyst || gchen AT acs DOT ucalgary DOT ca
Sandwell Inc. || chenga AT enel DOT ucalgary DOT ca
Datap Systems Division || Tel: (403) 264-7005 ext. 169
940 6th Avenue S.W. || (403) 237-9500
Calgary, AB, Canada T2P 3T1 || Fax: (403) 237-9898
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