This is awesome! Thanks for looking into this. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:users- > [EMAIL PROTECTED] On Behalf Of Dan Eloff > Sent: Tuesday, November 25, 2008 3:55 PM > To: Discussion of IronPython > Subject: [IronPython] Some observations about parallel import and > Silverlight > > Thanks to the excellent work of Kamil > (http://github.com/luntain/ipy-parallel-import/tree/master), and the > help of Jimmy I now have importing being done in parallel in 4 threads > in Silverlight. > > I had to restructure my code a little to reduce circular imports (not > a bad thing to do anyway) and I had to hand-tweak the dependency graph > to deal with conditional imports and other difficult to track > dependencies. > > The result was better than I could have hoped for. I'm seeing 43% > faster loading on my dual-core development pc. I used to have blank > screen at start that made you wonder if the browser has frozen. But > now the browser is responsive and I have a nice working progress bar. > But that's not the best news. > > The kicker is that the benefit is even larger on slow single core > machines with dialup internet. I posted a while back on this list that > IE does not immediately send an asynchronous request. It waits until > it's UI thread is idle (which doesn't happen if your importing modules > like crazy on it.) So the net effect was the application loads (about > 28 seconds on a P4 2ghz) and then it sends the request, waits for the > response (which is big in my case), and processes it - all in order. > So if that takes another 30 seconds, you have nearly 1 minute of load > time. With the UI thread mostly idle now, this happens in parallel to > the importing, and the overall load time drops by a whopping 45%. > > In the words of my generation - w00t! > > -Dan > _______________________________________________ > Users mailing list > [email protected] > http://lists.ironpython.com/listinfo.cgi/users-ironpython.com
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