In my experience the truetype fonts and the mac skin are a major
slowdown. If I disable both things I get a much faster image. Now I do
like nice fonts, so I just live with that speed penalty ...

Lukas

On Thursday, November 26, 2009, Schwab,Wilhelm K <[email protected]> wrote:
> Stef,
>
> I have a "slow" machine that stands ready to help with numbers any time; it 
> is semi-retired now, running Ubuntu 9.04.  It might be a good ideas to 
> dual-boot it, but I find it challenging to work up the motivation to assault 
> it with a Windows CD, and I have a similar era machine running win2k.
>
> My sense is that Pharo is slower than Squeak, and I am suspicious that the 
> Linux vm is not as efficient as it could be.  I forget wheher I saw this only 
> on Linux, but somewhere I reported a long-sourced method that I saw draw in 
> monochrome and AGAIN in color.  Nothing against Shout (as the self-apppointed 
> comment pedant, I **really** appreciate syntax highlighting), there might be 
> some room for efficiency by skipping the monochrom pass.
>
> Resizing on Linux turns the main window black.  It might make more sense to 
> invalidate and draw once after the sizing is complete??
>
> I have long heard people claim that Linux is faster than Windows, but I was 
> not convinced.  Having recently purchased a new machine and watched it labor 
> under the weight of Vista long enough to see for myself what all the stench 
> was about, I think I get it.  Current Linux distributions with the customary 
> graphical largese are not happy on 7+ year old machines that handily run 
> Win2k.  However, a new box that just barely gets by under Windows will be 
> relatively quick running Linux.
>
> I forget who said it: "software is getting slow faster than hardware is 
> getting fast."
>
> Bill
>
>
> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected]] On Behalf Of Stéphane 
> Ducasse
> Sent: Thursday, November 26, 2009 5:02 PM
> To: neil butterworth
> Cc: Pharo Development
> Subject: Re: [Pharo-project] about Pharo
>
> Thanks for your reply :)
>
>>> what you report is strange.
>>> Can you let us know:
>>
>>>        - vm
>>
>> The Pharo VM is the current (as of a couple of days ago) download from
>> the Pharo Homepage - Squeak 3.11.4 (beta).
>>
>>>        - OS
>>
>> Win2K SP4
>>
>>>        - image version
>>
>> Once again, a very recent download -
>> pharo1.0-10493-rc1dev09.11.2.image
>>
>>>        - your display depth
>>
>> True Color 24 bit
>
> I have
>         Display depth -> 32
>
> then 24 looks strange to me.
>
> depth: bitsPerPixel
>         (bitsPerPixel > 32 or:
>                 [(bitsPerPixel bitAnd: bitsPerPixel-1) ~= 0])
>                 ifTrue: [self halt: 'bitsPerPixel must be 1, 2, 4, 8, 16 or 
> 32'].
>         depth := bitsPerPixel
>
> Can you type
>         Display depth
>
>         and Display depth: 32 to see if this change something?
>
>>> Because people are using pharo on production and we got an increase
>>> of 15% of Morphic in pharo 1.1 so I have some doubts.
>>
>> It is very definitely much slower than Squeak on my system. This is an
>> old laptop 900MHz P3, but it has no problems at all running Squeak.
>
> We should keep an old machine around to test it.
> this is strange.
> Because the Ob2Browser is slow because it displays package and getting 
> package information is slow.
> Which browser are you using
> Can you give a try to change it and use the system browser (to change click 
> on the right icon on the window ... Choose new default menu)
>
> Can you change the theme?
> using the preference pane?
>
>
> Thanks
>
> Stef
>
>>
>> Neil Butterworth
>
>
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-- 
Lukas Renggli
http://www.lukas-renggli.ch

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