On Wed, Dec 8, 2010 at 10:14 PM, Ronan Jouchet <[email protected]> wrote:
> On 10-12-07 12:50 PM, ailo wrote: > >> I noticed Alessio asked Tims opinion on whether or not the lowlatency >> kernel is needed. >> I don't know what has been suggested or talked about in the past, so >> forgive me if I repeat something here. >> >> [...] >> >> >> Maybe someone in this mail-list does tests to determine whether or not >> the generic kernel can do these things as well as the >> lowlatency/realtime kernels? >> > > Hello everybody, > > Alessio, Tim, I fail to understand this sudden position shift towards > -lowlatency. Half a dozen users tested the -lowlatency kernel this summer, > with the following results: > - Yes, lowlatency provides noticeably lower latency than generic > - Rt/realtime remains snappier and thus remain a requirement for diehard > audio users needing top notch performance. > - However, rt/realtime are very painful to maintain compared to lowlatency > that consists in "simple" build-time tweaks > > This resulted in an apparently well-accepted *focus on lowlatency for > Natty*, summed up by Scott in end-of-September emails. We even nailed it in > https://wiki.ubuntu.com/RealTime , including a testing table featuring two > neat green "lowlatency" rows. > > Alessio, don't get me wrong here: I respect this amazing work you've been > doing (and that I'd totally be unable to do), I know you are doing it alone, > and I know the absence of feedback can get discouraging. > I just want to understand why this question pops now. We should be pushing > for inclusion in Natty, and instead of focusing on testing and bugfixing we > are re-debating an already closed subject. > > Anyway, *yes there is ongoing testing*: right now holstein, ailo, I (and > possibly other users) are testing it. Again: > Testers: please keep hammering the lowlatency kernel from Alessio's PPA, > and report your test results. > Alessio: please bear with us and continue your efforts, rest assured the > interest is there. > > I hope this email doesn't sound harsh. No aggressiveness intended, I only > mean to be synthetic and to the point. Thank you, > > Ronan Jouchet > Note: Natty is currently kinda playful to test: it seems a (gdm2?) package update causes login to fail (even with no-Unity "Classic" sessions, even right after the first update of on a clean ubuntustudio install), making it impossible to go past the login screen..... Meh. Will try again to test lowlatency in a few days. Bye, Ronan
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