Your problem is probably using SmartGWT which is known to be quite slow. On Wed, Apr 15, 2009 at 10:51 AM, ytbryan <ytbr...@gmail.com> wrote:
> > thanks for your reply thomas. for me, there is two cases of slowness. > > - the rpc is quite slow. i am using it to return a few thousand by > eleven column of data(String).... > - i have a tabset within my application which i copied from the > smartgwt showcase.... when i click on new tab with google map on > it...... it will normally hang and need a few minutes to finally > display the result. sometimes, it will hang forever. > > can you give me some links to these tutorials? if you have any..... > > thanks again.. > > On Apr 15, 3:13 pm, Thomas Broyer <t.bro...@gmail.com> wrote: > > On 15 avr, 13:51, ytbryan <ytbr...@gmail.com> wrote: > > > > > hi folks, > > > > > my application has been running very slowly and i would like to know > > > why. > > > > You could try compiling in -style DETAILED (or at least PRETTY) and > > run a JavaScript profiler (Firebug or IE8 developer tools). > > GWT comes with a benchmark framework, but you'd have to know what you > > want/have to measure... > > > > > can somebody advise me on what are the common bottleneck that i need > > > to optimise? I am pretty new with gwt. > > > > 1. optimize network exchanges (generally, you'd better have 1 RPC call > > return 3 "kinds" of data, than 3 RPC calls) > > 2. but GWT-RPC might be slow, particularly while serializing/ > > deserializing large object graphs > > 3. when updating the UI, working with hidden (display:none) or, even > > better, detached widgets is faster; sometimes, building a new widget > > "from scratch", populating it and replacing an existing equivalent > > widget might be faster than updating the existing widget > > 4. rendering-wise, try to set table-layout:fixed on your tables > > (including Horizontal/VerticalPanel, FlexTable, Grid, DecoratorPanel, > > DecoratedPopupPanel, DialogBox, etc.) > > > > 5. what does "slow" mean? > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to Google-Web-Toolkit@googlegroups.com To unsubscribe from this group, send email to google-web-toolkit+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/Google-Web-Toolkit?hl=en -~----------~----~----~----~------~----~------~--~---
