Hi Steven, On 27 Oct 2010, at 15:55, Steven Parrish wrote:
> On Tue, Oct 26, 2010 at 7:50 PM, James Cameron <qu...@laptop.org> wrote: >> On Tue, Oct 26, 2010 at 05:41:58PM +0530, Anurag Chowdhury wrote: >>> The conclusion of XO-1.5 being nearly 2.5 times faster than the XO-1 >>> could be verified by comparing their hardware specifications. at >>> http://en.wikipedia.org/wiki/OLPC_XO-1 (For XO-1) and >>> http://wiki.laptop.org/go/Hardware_specification_1.5 (For XO-1.5) >> >> These specifications do not describe CPU or graphics performance, and so >> your conclusion "2.5 times faster" is not supported by these >> specifications. >> >>> Also we can see the test results of James'(quozl) at >>> http://bugs.sugarlabs.org/ticket/245 which suggests that XO-1.5 is >>> atleast twice as fast as XO-1. >> >> That test compared two entirely different methods of rendering the >> languages control panel section; one method used by Sugar 0.82.1 and the >> other method used Sugar 0.84.11. So your conclusion "2.5 times faster" >> is not supported by this test either. >> >> http://dev.laptop.org/ticket/9325 is the best test result that I can >> remember that compares CPU and graphics performance, and the latest >> results there show XO-1 and XO-1.5 at about equal, because the bit plane >> depth has changed from 16 on XO-1 to 24 on XO-1.5 at the same time as >> the graphics subsystem became faster. The test is less relevant to >> Sugar though, since it is (a) full screen fill, and (b) using SDL and >> pygame rather than GTK+. >> >> I'd like to test your change on Sugar 0.84 (not HEAD) on XO-1 and >> XO-1.5 once I can understand how to measure the performance. It is more >> important for me that power is conserved. >> >> -- >> James Cameron >> http://quozl.linux.org.au/ >> _______________________________________________ >> Sugar-devel mailing list >> Sugar-devel@lists.sugarlabs.org >> http://lists.sugarlabs.org/listinfo/sugar-devel >> > > Just an FYI I am releasing a new Dextrose today. os4dx2 which will > soon be available on wiki.sugarlabs.org/go/Dextrose One feature is > an updated cairo which seems to have decreased the render times. You > might want to check it out. I have done some local testing and it > seems much improved so might just render this a mute point. Oooh, some good news at last! Thanks for the heads up. Regards, --Gary > Steven > _______________________________________________ > Sugar-devel mailing list > Sugar-devel@lists.sugarlabs.org > http://lists.sugarlabs.org/listinfo/sugar-devel _______________________________________________ Sugar-devel mailing list Sugar-devel@lists.sugarlabs.org http://lists.sugarlabs.org/listinfo/sugar-devel