[Scummvm-devel] About announcing backend changes & build machine

[Paweł Kołodziejski]

On 2008-01-07, at 21:41, Kostas Nakos wrote:

> Pawe? Ko?odziejski wrote:
>>> hmm, i just checked, myself on my home vserver with 1.8ghz amd cpu
>>> with
>>> one core and 1gb ram it build arm linux from svn about 6 minutes
>>> with all
>>> engines enabled minus scalers. So i wonder why it takes 3.5 min on
>>> four
>>> cores. it seems compilation scummvm doesn't scale very vell. i'll
>>> test it
>>> also later on diffrent vserver with four cpu cores.
>>
>> it takes 1.2 min on 4 cores xeon 1.86ghz cpu with 4gb ram.
>>
>> "Quad Intel 3.33 2 GB, 3.5 mins" interesting difference.
>> I know that two scalers can slow down compilation, but still...
>
> Slightly off topic but nevertheless: 3min 8sec for full wince release
> with hq scalers, make -j5, on cygwin. I cannot hypothesize about the

ah cygwin, that might explain, thats why i don't like unix tools  
ported into windows, they are not designed for windows.

>
> slowdown, other than perhaps that cygwin has a lousy i/o response
> compared to a linux native environment (based on my experience, I  
> would
> say about 20-50% drop in performance due to constant opening/closing  
> of
> files sounds about right). Not tried in linux yet.
>
> K.
>
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