Am Freitag, 17. Oktober 2003 00:05 schrieb Terry Brownell:
> I've noticed a memory leak when you hover a mouse over any face using the
> "feel" user interface events. Is this a known bug or ? If you run the
> example below, and watch the memory usage of the Rebol.exe running it, it
> will go up when you hover. Same thing with the engage feel.
>
Normal GC-behavior. if you run this:
view layout [
f-mem: field 70x24 center green rate 3 feel [
engage: func [face a e] [
face/text: reform [
to-integer system/stats / 1024 "KB"]
show face
]
]
]
you will see the number goes up for a while and suddenly jump down.
The GC runs in intervals. a while it allocates when memory is requested for
event-processing etc. you see the number go up.
after some MB it thinks its time to collect.
after the collection it gives unused memory free. number goes down.
a GC has to inspect each object if it can be thrown away.
so it to delay that. once check-all for a lot allocations instead of one
check-all for each allocation. otherwise rebol would crawl.
(if this checker goes not down after a minute/some mb theres reason to worry.
> view layout [
> [ box "A Box" forest feel [
> [ over: func [face act pos] [print [act pos]]
> [ ]
> [ ]
>
> OS: Win2k
> (Example from the "How to Handle User Interface Events" doc)
>
-Volker
>
> ---------------------------------
> Do you Yahoo!?
No, why?
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