Don't forget cpu pressure, I've had freezes which need a forcefull
shutdown because of it. One example is installing Scratch from the
wiki. When it reaches the point of unzipping, it makes the system
slow. If you happen to have some activity also doing something
intensive (like a Browse instance rendering a complicated webpage) the
UI freezes. Sometimes waiting works, other times it doesn't.
Eduardo
2008/9/27 Marco Pesenti Gritti [EMAIL PROTECTED]:
Since everyone major concern is memory pressure especially with
Browse, I did some comparison tests with Update.1. The results are
somewhat surprising:
os711 + g1g1 activity pack
Startup: free 127 mb
Min Browse: free 91 mb
Max Browse: free 61 mb
gg-765-2
Startup: free 129 mb
Min Browse: free 91 mb
Max Browse: free 63 mb
Notes:
* I have not repeated the tests yet (I intend to do so), so there is
the possibility of measurement errors. From my experience so far I'd
say +/- 5 mb.
* Free memory is measured with free, after having dropped the caches
with echo 3 /proc/sys/vm/drop_caches
* Min Browse is free memory just after having started browse, no navigation.
* Max Browse is the maximum amount of memory I could get Browse to use
while navigating randomly inside wikipedia (starting from Moon).
Browse memory usage normally grows up quickly when you load the first
few pages and then it stabilizes and does not grow anymore.
* I tested on clean copy-nand installations of both images, without any
reboot.
Marco
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