[Sugar-devel] [Dextrose] [PATCH v5 sugar] Pulsing icon delayed by 5 seconds or so SL#2080
garycmartin at googlemail.com
Wed Oct 27 11:12:36 EDT 2010
On 27 Oct 2010, at 15:55, Steven Parrish wrote:
> On Tue, Oct 26, 2010 at 7:50 PM, James Cameron <quozl at 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
>>> 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
>> Sugar-devel mailing list
>> Sugar-devel at lists.sugarlabs.org
> 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.
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