On Thu, Oct 06, 2011 at 08:44:01AM +0300, Fathi Boudra wrote: > On 6 October 2011 00:43, Mans Rullgard <mans.rullg...@linaro.org> wrote: > > On 5 October 2011 18:35, Christian Robottom Reis <k...@linaro.org> wrote: > >> On Wed, Oct 05, 2011 at 08:09:03PM +0300, Fathi Boudra wrote: > >>> Debian/Ubuntu P are going to move to libjpeg8 by default making > >>> current package obsolete in the future. > >> > >> Note that when we asked Darrell about this he questioned the performance > >> benefits of version 8. Mans probably knows more. > > > > There is no benefit to v8. v7 added support for the rarely/never used > > arithmetic coding option, left out of earlier versions due to patent > > issues. Since nobody uses this mode, supporting it is irrelevant. > > v8 only adds some experimental, non-standard coding options even less > > relevant to any real-world uses. What is relevant is, however, that > > v8 is significantly slower than v6 in the default configuration. I > > don't remember if this slowdown was present already in v7. > > According to Bill Allombert, v8 support more image format and provide > a higher image quality.
I really question this statement based on what Mans and Darrell have both said (a number of times now). Where is the hard data that shows this is true? -- Christian Robottom Reis, Engineering VP Brazil (GMT-3) | [+55] 16 9112 6430 | [+1] 612 216 4935 Linaro.org: Open Source Software for ARM SoCs _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
