Those numbers are quite impressive but what I find equally impressive is just how much faster Chrome is over the other browsers, including FF beta. BTW I know GWT doesn't fully suppoMS IE9b but it would be interesting to see how stands in relation to the other browsers.
Jeff On Thu, Nov 11, 2010 at 6:06 AM, Lukas Laag <[email protected]> wrote: > I have just finished porting my chess game (http://www.vectomatic.org/ > gwt/lib-gwt-svg-chess/lib-gwt-svg-chess.html<http://www.vectomatic.org/%0Agwt/lib-gwt-svg-chess/lib-gwt-svg-chess.html>) > to GWT 2.1 and I would > like to report some performance measurements which highlight how much > the situation has improved for long-based computations with the > release of GWT2.1. > > The application makes heavy use of java longs, notably in the attack > tables of its Carballo chess engine (the table contains 100 000+ > longs). At the time the original code was written (one year ago), the > time to initialize the attack tables turned out to be so long (around > two and a half minutes) that I had to pre-compute them, causing a big > one-time penalty in the application download size (4MB download, > somewhat mitigated by the use of HTTP compression). Since then, GWT > has introduced a revamped emulation of java longs, and browsers > javascript engines are now much faster. I have been able to get rid of > the pre-computed tables and compute them on the fly. The execution > time for this part of the code is now (on my linux box): > > | Browser | Ellapsed time to compute attack table > | FF3.6 | 23s > | Opera 10.63 | 14s > | Chrome 7.x | 0.5s > | FF4b7 | 3s > > This certainly beats downloading 4MB of attack tables ! > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-web-toolkit%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- Jeff -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
