Re: libjpeg8c vs libjpeg-turbo with libjpeg8 compat on
On Fri, Oct 28, 2011 at 12:05:38PM +0300, Riku Voipio wrote: > On 27 October 2011 12:38, Matthias Klose wrote: > > - A test rebuild for packages build-depending on libjpeg*-dev. > > Not sure if this will catch all issues, but it's a start. > > That should give an estimate for sourceful and sourceless > > changes needed, and for which packages you'll have to > > maintain a delta compared to Debian. > > Since libjpeg-turbo is API/ABI compatible, it would not even require a > rebuild. Only if it's packaged such that the libjpeg-turbo source package builds a libjpeg8 binary package. -- Colin Watson [cjwat...@ubuntu.com] -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
Re: Google Code-in
On 28/10/11 03:31, Andrew Higginson wrote: > The main thing I was wondering about was exactly what types of tasks will be > set? The exact tasks have not been established; Ubuntu has even yet to be selected as a participating organization.[1] The styles of tasks are described at [2]. Thank you for your interest! [1]: http://www.google-melange.com/gci/document/show/gci_program/google/gci2011/faq#projects [2]: http://www.google-melange.com/gci/document/show/gci_program/google/gci2011/faq#kindsoftasks -- Luke Faraone;; Debian & Ubuntu Developer; Sugar Labs, Systems lfaraone on irc.[freenode,oftc].net -- http://luke.faraone.cc PGP fprint: 5189 2A7D 16D0 49BB 046B DC77 9732 5DD8 F9FD D506 signature.asc Description: OpenPGP digital signature -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
Google Code-in
Hi, I just read the message about Google Code-In and wanted to register my interest. Whilst I am not certain to exactly how much time I can devote to it, I would certainly like to find out more about it. The main thing I was wondering about was exactly what types of tasks will be set? Thanks -- Andrew -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
Re: libjpeg8c vs libjpeg-turbo with libjpeg8 compat on
On 27 October 2011 12:38, Matthias Klose wrote: > I doubt that Ubuntu will reconsider this for Precise, but I see that you did > schedule a session for UDS/Connect [1]. It would be good, if you could provide > relevant information for the session: > > - performance data from your wiki in a precise/12.04 environment, > not just for arm, but for all supported Ubuntu architectures. > Performance data from a natty environment doesn't really help. > > How does this compare to a libjpeg8 targeted to newer CPUs? > Such a library could be used via hwcap. Fedora switched to libjpeg-turbo and reports in their release notes: "The libjpeg library has been replaced by libjpeg-turbo library which has same API/ABI but is at least twice faster on all primary architectures and about 25% faster on secondary architectures." > - A test rebuild for packages build-depending on libjpeg*-dev. > Not sure if this will catch all issues, but it's a start. > That should give an estimate for sourceful and sourceless > changes needed, and for which packages you'll have to > maintain a delta compared to Debian. Since libjpeg-turbo is API/ABI compatible, it would not even require a rebuild. This makes the transition actually smoother than the transition to libjpeg8 fork of the original libjpeg. Riku -- ubuntu-devel mailing list ubuntu-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
