Re: Dosemu Slower than CMD

Frantisek Hanzlik
2008-05-31T08:15:47Z

I just haven't no win machine, then I can't compare program response under
them.
However You can compile dosemu with log timestamping (see conditional
compilation and SHOW_TIME and DBG_TIME identifiers in module
"src/base/misc/utilities.c") and try find Your application/dosemu code
bottleneck.

IMHO when Your app do any sort of intensive DOS/BIOS calls, then differences
between DOS/win and dosemu speed may be noticeable and scale 1:3 - 1:5
may be "normal", as their appropriate environments are different.

You may also tried Your app under clear FreeDOS or other DOS environment.

Franta Hanzlik

Eddy Setyawan wrote:
> Times for load this section is more faster when i run it on windows using CMD
> any idea to tweak dosemu to make this section faster like CMD does
>
> quote "Note I must set DOS date to March 2008."
> i think so because this app have closing month mechanism
>
> On Fri, May 30, 2008 at 3:56 PM, Frantisek Hanzlik<franta@hanzlici.cz> wrote:
>> Yes, I tried this section. Times are from pres Enter key at
>> "Ubah Harga Jual" to obtain some data - these appear as:
>>
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>> Melihat data-data dalam bentuk daftar
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>>
>> CPU load I not measure, but as I said, 100% load may be OK.
>>
>> Note I must set DOS date to March 2008.
>>
>> Franta
>>
>> Eddy Setyawan wrote:
>>> hello Frantistek,
>>> Which segment you try ? I mean slow is at menu Master -> Persediaan ->
>>> Ubah Harga Jual, while entering this section application cpu usage
>>> jump to 100% and waiting to load all data is takes time than CMD
>>> does... even at windows i try it with shared drive
>>>
>>> some alert dialog also eat CPU but after search around i found that
>>> clipper function for alert dialog has some bug
>>>
>>> On Fri, May 30, 2008 at 3:27 PM, Frantisek Hanzlik<franta@hanzlici.cz>
>>> wrote:
>>>> As I wrote in my previous mail, in tested program segment is about
>>>> 200000 times called INT0x16 Fn 0x11 : Check_Enhanced_Keystroke.
>>>> In corresponding dosemu routines in "base/bios/int16.c" are called
>>>> some delay functions - maybe these may add some delay to program
>>>> execution.
>>>> On my system CLK_TCK=100 (ticks/sec), thus JIFFIE_TIME=10000 and
>>>> INT2F_IDLE_USECS=80000 (=> 80msec delay).
>>>> But as I wrote, on my faster PC exec time was 3 sec, thus delay
>>>> added in INT16 can't be longer.
>>>>
>>>> Bart Oldeman probably can say more about this.
>>>>

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