Hi, Isn't this your responsibility, as part of your assignment, to determine how to reduce power consumption? Shouldn't you be researching it instead of asking us? Anyway, here's a few hints:
Just think about what hardware on the system is consuming power while Rhythmbox is playing: - The hard disk or SSD consumes power to read the music data from disk (or the network, in which case the hard disk is idle and the network card is consuming power) - The CPU consumes power to load the music into RAM, decode it, and process it if necessary with effects etc - The sound card consumes power when it is active, because it has to run a DAC and drive a speaker or headphones - The GPU consumes power (on modern OSes where the GPU is used for desktop rendering) to render the UI, especially during UI updates; if the UI is unchanged, very little resource is consumed. Now think about how you will measure power consumption before and after your changes. You can try software like Powertop, which may work if your OS is Linux-based, to check the number of wakeups per second coming from rhythmbox. Or you can measure power consumption at the wall outlet, but be careful you aren't running any (known or unknown) background tasks that might be taking up power, like an automated desktop search indexer. Then you just start making changes targeting a specific subsystem (GPU, CPU, sound card, or I/O), measure, and repeat until you've "appreciably" reduced the power consumption (I don't know what your threshold for that would be). Keep in mind that removing features is definitely one "easy" way to reduce power consumption, but probably not what your assignment is asking, since true power use optimization doesn't sacrifice features -- although you are free to implement them in a different way. Also remember that a lot of the power consumption characteristics of a modern Linux desktop depend *heavily* on the driver subsystem, so you are in all likelihood not going to see any improvement from working on Rhythmbox directly. Most of the real power savings comes from components in the Linux kernel and the graphics stack. HTH, Sean On Wed, May 22, 2013 at 11:42 PM, Devender <deven...@cse.iitkgp.ernet.in> wrote: > Hi All, > > I am doing summer internship at the University of Alberta, Canada. I want to > change the change the source code of the rhythmbox such that the power uses > can be minimized. > But I do not have much ideas how to reduce the power consumption. > > Any help would be appreciated. > > Thanks and Regards > > Devender > 3rd Year Undergraduate Student > > _______________________________________________ > rhythmbox-devel mailing list > rhythmbox-devel@gnome.org > https://mail.gnome.org/mailman/listinfo/rhythmbox-devel > _______________________________________________ rhythmbox-devel mailing list rhythmbox-devel@gnome.org https://mail.gnome.org/mailman/listinfo/rhythmbox-devel
