Squeak 3.8 with big fonts is terribly slow
Eddie Cottongim
cottonsqueak at earthlink.net
Sat Oct 1 02:12:03 UTC 2005
Measuring 10Browsers, on Windows, going from default fonts to 17 point
comic I got a ~37% slowdown on 3.8 and 3.9a-6681, and a 57% slowdown on 3.7.
I couldn't find any behavior as bad as what you saw. I did find a few
bottlenecks that could be easily fixed and got scrolling about 60%
faster, and brought the 10browser slowdown to about 26%.
Try out these changes and see if they help; if they are useful I'll
submit them for 3.9.
Eddie
Yoshiki Ohshima wrote:
> Noury,
>
>
>
>>For my lectures, I changed all fonts (lists, menus, code, ...) to
>>ComicSansMS-17 Point-Bold.
>>But, it leads to a slow-down of reactivity. I have to wait (about 2
>>seconds) when selecting/resizeing/moving windows or openning
>>menus/windows (up to 10-12 seconds when openning a filelist!).
>>
>>BTW, I'm using mac carbon VM 3.8.9b1 on a G4 1.33Mz powerbook 12" with
>>512M of RAM.
>>I made the test with a full 3.8-6665 image and a basic one also.
>>
>>
>
> Try a 3.7 line VM and compare them (and let us know the result^^;)
>
> As far as I heard, that is about the "correct" behavior of
>finalization in 3.8 VM and the "bug dependent" implementation in glyph
>caching of TrueType font.
>
>-- Yoshiki
>
>
>
>
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