Igor could you give us the snippets for the benchmarks.
I would like to use them as example for a forthcoming chapter on
profiling.
Stef
On Feb 8, 2009, at 2:55 PM, Igor Stasenko wrote:
> I'm also want to play with rounding and compare the efficiency of
> drawing an initially rounded shape (by using curves) instead of
> hacking , which CornerRounder does.
>
> I took a single rounded button and measured how fast it get drawn and
> what parts of drawing process takes what time:
>
> 100 times
> - fulldraw 80ms
> - (1) draw 18ms (simple fill a rectangle)
> - (2) fulldraw w/o rounding 51ms (almost same as a fulldraw but w/o
> use of CorderRounder)
>
> so, CornerRounder takes 30ms for itself (from total 80ms).
> I think if we initially draw a rounded shape, we could have better
> numbers , i hoping that drawing a filled rectangular shape and filled
> rounded rectangular shape could have much less difference (much less
> than 30ms).
> It's a bit expensive to spend 3/8 of total rendering time for such
> little fancy thing :)
>
> 2009/2/8 Igor Stasenko <siguc...@gmail.com>:
>> 2009/2/8 Gary Chambers <gazzagu...@btinternet.com>:
>>> I'll make the drop shadows themable for system windows.
>>> The default way Morphic does drop shadows is quite inefficient.
>>>
>>
>> Right, i think it would be wise to provide own implementation of
>> drawDropShadowOn: for SystemWindow, to draw simple rectangle (or
>> group
>> of rectangles to avoid excessive fills) since we know that
>> systemwindow is rectangular beforehead.
>>
>>
>>> Regards, Gary
>>>
>>> ----- Original Message -----
>>> From: "Igor Stasenko" <siguc...@gmail.com>
>>> To: <Pharo-project@lists.gforge.inria.fr>
>>> Sent: Saturday, February 07, 2009 7:23 PM
>>> Subject: Re: [Pharo-project] Call for UI gripes
>>>
>>>
>>>> 2009/2/7 Ramon Leon <ramon.l...@allresnet.com>:
>>>>>> The biggest concern I have right now is speed. I'm not
>>>>>> saying Pharo is too slow; I'm simply admitting that I do not
>>>>>> know whether it is fast enough for some of the things I want to
>>>>>> do.
>>>>>
>>>>> +10 to this.
>>>>>
>>>>> The UI is looking really great lately, but overall the
>>>>> experience is it's
>>>>> just too slow. Cracking open a raw squeak base image reminds me
>>>>> how
>>>>> snappy
>>>>> the UI used to be. Not really complaining, it's totally
>>>>> bearable, but
>>>>> it'd
>>>>> sure be nice if the pretty UI was quick and snappy, and you are
>>>>> asking.
>>>>>
>>>> Sure thing
>>>> MessageTally spyOn:[self fullDrawOn: World assuredCanvas] "where
>>>> self
>>>> is an OB system window morph"
>>>>
>>>> 16.7% {10ms} BalloonEngine>>copyLoopFaster
>>>> 11.7% {7ms} SimpleBorder>>frameRectangle:on:
>>>> 6.7% {4ms} Array(SequenceableCollection)>>select:
>>>> 5.0% {3ms} ByteString(String)>>=
>>>> 5.0% {3ms} SmallInteger(Number)>>to:by:do:
>>>> 5.0% {3ms}
>>>> GrafPort(BitBlt)>>primDisplayString:from:to:map:xTable:kern:
>>>> 5.0% {3ms} BorderStyle>>frameRectangle:on:
>>>> 3.3% {2ms} ByteSymbol>>species
>>>> 3.3% {2ms} ByteString class(String class)>>new:
>>>>
>>>> total 61ms.
>>>>
>>>> some hot points crying to be optimized:
>>>> cache the OBMonticelloPackageNode>>classCategories , which get
>>>> rebuilt each time you draw the window.
>>>> this can make following numbers much smaller:
>>>> 5.0% {3ms} ByteString(String)>>=
>>>> 6.7% {4ms} Array(SequenceableCollection)>>select:
>>>> 3.3% {2ms} ByteString class(String class)>>new:
>>>>
>>>> Making SystemWindow>>drawDropShadowOn: to do nothing makes a
>>>> difference:
>>>>
>>>> [10 timesRepeat: [self fullDrawOn: World assuredCanvas ]] timeToRun
>>>> with shadows: 530
>>>> without: 473
>>>> ~ 10% speedup
>>>>
>>>> Changing the theme makes some difference (no shadows/with shadows):
>>>> - Watery 2: 50/60 ms
>>>> - Standard Squeak: 38/43 ms
>>>> - Soft Squeak: 46/55 ms
>>>> - Vistary: 56/62ms
>>>> (keep in mind these numbers are polluted with messageTally)
>>>>
>>>> As to me, the theme variancy is quite acceptable - a most complex
>>>> theme (with transulency) is drawn just 50% slower than most simple
>>>> one.
>>>>
>>>> As for,
>>>> 3.3% {2ms} ByteString class(String class)>>new:
>>>>
>>>> Total count of ByteString>>new: calls during
>>>> GlobalCounter reset.
>>>> self fullDrawOn: World assuredCanvas.
>>>> GlobalCounter counters copy inspect
>>>>
>>>> is 7146,
>>>> which again makes me look suspicious at OB here.. Hey! Are we
>>>> drawing,
>>>> or processing a text?!?!
>>>>
>>>>
>>>>> Ramon Leon
>>>>> http://onsmalltalk.com
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Pharo-project mailing list
>>>>> Pharo-project@lists.gforge.inria.fr
>>>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-
>>>>> project
>>>>>
>>>>
>>>> --
>>>> Best regards,
>>>> Igor Stasenko AKA sig.
>>>>
>>>> _______________________________________________
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>>>> http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>>>
>>>
>>> _______________________________________________
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>>>
>>
>>
>>
>> --
>> Best regards,
>> Igor Stasenko AKA sig.
>>
>
>
>
> --
> Best regards,
> Igor Stasenko AKA sig.
>
> _______________________________________________
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