Mike Hearn wrote:
On Wed, 06 Sep 2006 12:43:07 +0100, Mike Hearn wrote:
My own profiles show most of the time ...
Erm, that is my own profiles on my own 1ghz Duron desktop machine. I don't
have an OLPC board.
Running on the OLPC makes a big difference, since open is 10 times slower.
I get 765 NOENTs on my own box but almost all of these look
simple to eliminate ... most are from Python or the dynamic linker
searching various paths for things. Keeping the linker search path as
small as possible and making Python smarter about finding modules could
fix it easily.
I'm sure it can easily reduced, I'm less convinced it can be easily fixed.
But again I wouldn't bother unless you can get an oprofile trace showing
that it's losing all its time in the kernel file open routines ...
The reduced test case I attached to the mail starting this thread is
doing only "open".
On the OLPC:
Total "import gtk" time : 0.9 secs
500 opens with my testcase: 0.35 secs
(import gtk cause around 500 opens)
Note that I'm ignoring all the "stat". Still, this seem to be a good
part of the startup time.
Marco
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