pending mac VM 3.8.8b7 for comment

John M McIntosh johnmci at smalltalkconsulting.com
Thu Aug 18 21:25:50 UTC 2005


On 18-Aug-05, at 2:09 AM, Tony Garnock-Jones wrote:

> John M McIntosh wrote:
>
>> This VM attempts to flush the screen after a 16-32ms pause.
>>
>
> That's great. No further complaints :-) The SUnit runner now works  
> as I
> would expect it to. With menus, you still frequently see two adjacent
> rows selected simultaneously for a fraction of a second, but after  
> that
> short delay everything is rendered correctly. (Is this a general  
> morphic
> thing, or is it VM specific? I'll be able to find out in a minute,  
> when
> I get in to work and my XP machine there...)

This is a platform specific issue, with how many drawing requests you  
can make to the screen per second.
Too many under 10.4 and you are throttled to 50 per second. That  
requires caching and drawing at a later point in time which
results in the visual artifacts you notice.

>
>
>> I have not tested on os-x versions before 10.4.
>>
>
> This is on 10.3.
>
> Thanks, John!
>
> Tony
>
>
>

--
======================================================================== 
===
John M. McIntosh <johnmci at smalltalkconsulting.com> 1-800-477-2659
Corporate Smalltalk Consulting Ltd.  http://www.smalltalkconsulting.com
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