Hi all,
I’ve been reading about the performance increase with the latest builds and
Dojo .9 and was excited to see what it could do for my fairly large
application, so I decided it was time to test a NB6 daily build again. I’m
sad to say that using 200710220000, I’ve found the runtime performance to
actually be worse then with 5.5.1. How can this be?
For most pages, performance appears to be about the same. I did notice that
instead of the page showing up in the browser fully rendered (as it did with
5.5.1), it now seems to partially show up, and then hangs the browser for
half a second to a second before it finishes rendering. I assume this is the
JavaScript being slow with rendering. Although this is annoying, it isn’t
that bad since it is only for a second or so.
The real slowness seems to come when trying to display tables, particularly
large ones. I have a table with about 800 rows, set to be paged at 200 rows
per a page. This table has 5 columns with 1 hyperlink and 4 static text
components. When you view the page, it initially displays part of the page
(like with all pages), and then hangs the browser for around 10 seconds
while it finishes rendering. The size of the page that was downloaded is
368KB. With 5.5.1, it takes around 1.5 seconds to fully render the page and
the page size is only 170KB. If I hit the button to display the whole table
on one page, it hangs the browser for about 90 seconds with the new
woodstock components. With 5.5.1, it takes around 3 seconds to display the
page.
I’ve been very anxious for 6.0 to come out but with runtime performance
being worse then 5.5.1 and a lot of CSS that was previously supported not
working on 6.0, it is going to be very difficult to justify the upgrade.
My machine is a Core 2 Duo 6300 with 2GB RAM running XP & IE7.
Thanks,
Jeff
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