On 26/02/2010 16:46, Ken MacDonald wrote:
Hi,
I have inherited an IP project. Customer is complaining that startup
time with no apparent progress takes quite a while, and would like
something to happen prior to the time that the login screen finally
appears. I have a splash screen, and have set it to splash prior to
the login screen, now something appears at about ~~ 12 sec. rather
than ~~15 sec. for the login screen, but is still kind of a long wait.
I've tried moving the splash screen earlier, but it dies of missing
resources; not sure just what. I'm wondering if there is a way of
defining a really minimal splash screen that requires next to nothing
to start up, and getting it to pop up in maybe 3 or 4 sec.?
We achieved this at Resolver Systems by embedding IronPython in a very
simple C# executable (actually not so simple because it also does single
instance remoting but that isn't relevant to this question). The exe
displays the splash screen and then starts IronPython using the hosting API.
Almost all the startup time (which has improved dramatically with recent
releases) is Python imports - so we have a parallel import system that
allows us to post updates to the progress bar as the imports complete.
Kamil released this code as open source:
http://github.com/luntain/ipy-parallel-import
On the other hand, putting the splash screen first in your IronPython
code (before significant imports) should enable it to be displayed in
under 3 seconds - so if that is currently failing you should be able to
make it work by debugging the issue. There is no reason this approach
fundamentally can't work.
All the best,
Michael Foord
Ken
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