30.09.2014 13:04, David Henningsson wrote: > On 2014-09-27 17:56, Alexander E. Patrakov wrote: >> Result: with speex-float-1, the laptop lasted 26371 seconds, while with >> speex-float-5, the result was "only" 25997 seconds. I.e. less than 1.5% >> of difference (and even less under more realistic conditions, i.e. with >> the SSD, WiFi and display being on), or only 81 mW of extra power >> consumed. And I don't yet know the standard error (will repeat the test >> several times and report separately). >> >> Note: for "real" mobile devices like phones, the impact will be more >> significant. So I limit my "ignore complaints as invalid" proposal only >> to laptops with Sandy Bridge CPUs. > > Thanks for the test. i7 Sandy Bridge CPUs are not my primary concern > either (if you have an i7 CPU then you probably have a big battery to > fuel it, too), but what about Raspberry Pi, tablets, etc. And everything > in between. > > That said, even for an i7 Sandy bridge, the question is how often will > you be annoyed because of resampler noises, vs how often will you be > annoyed because you've run out of battery. > > As a related question, when you say that we have a worse resampler than > "proprietary OSes", that's only desktop OSes you're comparing us to, I > assume - not iOS, Android, etc. Yes, I am currently talking about the desktop/laptop use case only, and thus only about desktop OSes. I don't know how I would be able to test iOS, but testing Android is indeed possible, because it can run in qemu. -- Alexander E. Patrakov
