Re: Question about audio/video tag?

2013-02-01 Thread Chris Double
On Fri, Feb 1, 2013 at 4:54 PM, leroy111...@gmail.com wrote: Where can we find the decoders for ff and mp4? Firefox doesn't ship with an MP4 decoder. On the platforms where we support MP4 files we use the platform libraries. The support for this is in: content/media/plugins content/media/omx

Re: The future of PGO on Windows

2013-02-01 Thread Boris Zbarsky
On 2/1/13 10:50 AM, Nathan Froyd wrote: Do you have examples that you can point to? This certainly used to be the case for Mozilla code at one point, but it may be worth remeasuring. Lots of gcc (and MSVC, and Mozilla code) changes since then. -Boris

Re: The future of PGO on Windows

2013-02-01 Thread Boris Zbarsky
On 2/1/13 10:52 AM, Jean-Marc Desperrier wrote: The trouble with going 64-bits is that the jit would then see some significant regression, for cache pressure/instruction set related reasons Do you have numbers here? I'm aware of some regressions for things that involve traversing DOM trees

Re: The future of PGO on Windows

2013-02-01 Thread Ted Mielczarek
On 2/1/13 10:52 AM, Jean-Marc Desperrier wrote: Ehsan Akhgari a écrit : I don't have a lot of experience with mingw32, but to the best of my knowledge, it's based on older versions of gcc (4.6?), and lacks 64-bit support Ehsan, did you forget that there would be no memory problem with

Re: The future of PGO on Windows

2013-02-01 Thread Nicholas Nethercote
On Sat, Feb 2, 2013 at 6:26 AM, Ehsan Akhgari ehsan.akhg...@gmail.com wrote: Vladan performed the analysis on telemetry measures reported out of a Tp5 run and the results seem to indicate that the performance of several things such as GC and CC, image decoding, page loading, session restore,

Re: Let's never, ever, shut down NSS -- even in debug builds

2013-02-01 Thread Philip Chee
On Thu, 31 Jan 2013 02:40:01 +0100, Robert Kaiser wrote: Robert Relyea schrieb: Switching to SQLite would make this a non-issue. Is there a plan to do this? An open bug? Someone working on it? Robert Kaiser Doesn't SQLite come with its own set of issues? I vaguely remember the