linaro-dev April 2011

linaro-dev@lists.linaro.org

101 participants
154 discussions

Notes and actions from MM WG call on 5th April

by Sachin Gupta

Hi All, Please find enclosed link to minutes and actions for multimedia wg meeting on 5th April 2011. https://wiki.linaro.org/WorkingGroups/Middleware/Multimedia/Notes/2011-04-05<https://wiki.linaro.org/WorkingGroups/Middleware/Multimedia/Notes/2011-03-01><https://wiki.linaro.org/WorkingGroups/Middleware/Multimedia/Notes/2011-02-22> Summary - first version of gstreamer plugin for AAC encoder uploaded to git - upstreaming of STE's vp8 decoder optimisations to be taken up - Feng Wei from Freescale joined multimedia working group Thanks Sachin

13 years, 5 months

Re: git merge question

by Jesse Barker

All these git related puns are killing me :-) On Fri, Apr 8, 2011 at 8:46 AM, Will Deacon <will.deacon(a)arm.com> wrote: > > On Fri, Apr 8, 2011 at 3:45 PM, Tixy <tixy(a)yxit.co.uk> wrote: > > > On Fri, 2011-04-08 at 10:16 +0100, Dave Martin wrote: > > >> one reason why my understanding of the actual problem here was a bit > > >> patchy. > > > > > > <groan> :-) > > > > _not_ intentional! (if you believe me) > > I don't believe you; I think you should consider branching out > into comedy... > > Will > > > > > _______________________________________________ > linaro-dev mailing list > linaro-dev(a)lists.linaro.org > http://lists.linaro.org/mailman/listinfo/linaro-dev >

13 years, 5 months

[NOTES] Minutes & Actions: Toolchain Working Group meetings of Apr 04 & 07, 2011

by Mounir Bsaibes

Enclosed you'll find a link to the agenda, minutes and actions from the Linaro Toolchain working group weekly meetings of April 04 & 07, 2011. https://wiki.linaro.org/WorkingGroups/ToolChain/Meetings/2011-04-04 https://wiki.linaro.org/WorkingGroups/ToolChain/Meetings/2011-04-07 == Summary == * More vectoriser patches including if-conversion, different vector sizes, and vzip/vunzip are going upstream * Chung-Lin continues to knock off a good set of bugs * QEMU consolidation continues * A fair set of patches were accepted upstream recently * The OMAP3 patch set has been split further up. * A separate set of discussions on Thumb-2 performance improvements will start soon * Andrew is running a Linaro Android baseline build to prepare for the Android GCC patches later * Linaro GCC 4.6 is being updated to the new FSF 4.6 release branch * Cleaning up the libunwind testsuite for use exercising the ARM port Regards, Mounir

13 years, 5 months

[PATCH android/system/core] libpixelflinger: Add ARM NEON optimized scanline_t32cb16

by Jim Huang

Reference benchmark results on Beagleboard (TI OMAP353x) at 500 MHz: scanline_t32cb16_c memory bandwidth: 31.63 MB/s scanline_t32cb16_neon memory bandwidth: 147.69 MB/s It can dramatically improve the performance of boot animation. Code Review: https://review.source.android.com//#change,16358

13 years, 5 months

git merge question

by Dave Martin

Hi all, I've encountered a problem trying to unpick the history of the linaro git trees, but I don't think it's specific to us: The problem seems to be that when a merge is committed, git references the merged commits in their original context: no information is recorded about how the merge was resolved. The result just appears by magic as the new tree recorded for the merge commit. This seems to mean that git format-patch x..y (where x is an ancestor of y) does _not_ necessarily give you a patch series which actually applies on x (indeed, the generated patch series may not be appliable on any commit, in any order). This is certainly my experience. As a result, it seems very difficult to pick apart the history of a branch beyond the last merge commit, because the git repo only records the logical ancestry (i.e., which upstream patches got merged) rather than any "physical" history (i.e., what sequence of actual changes would be needed to reconstruct the branch). In fact, it seems to be nonsense to think in terms of a sequence of patches beyond a merge commit. What I'm actually trying to do is cherry-pick a few omap- and Thumb- specific commits out of the linaro tree to apply on v2.6.39-rc2 -- just the minimum subset so that I can develop Thumb stuff on a tree which is as clean and close to upstream as possible. But I repeatedly run into problems where patch p from branch b depends on cherry-picking some other patch q merged branch b, but the cherry pick fails since the actual delta recorded for q is in the context of someone else's branch (the branch that was merged from). If anyone knows a straightforward way to achieve this, I'd be interested ... Of course, I may be trying to do entirely the wrong thing. Cheers ---Dave

13 years, 5 months

[gwolf@debian.org: Registration now open for DebConf11]

by Steve McIntyre

FYI: ----- Forwarded message from Gunnar Wolf <gwolf(a)debian.org> ----- Date: Thu, 7 Apr 2011 14:16:33 -0500 From: Gunnar Wolf <gwolf(a)debian.org> To: debian-devel-announce(a)lists.debian.org Subject: Registration now open for DebConf11 User-Agent: Mutt/1.5.20 (2009-06-14) Registration is now open for DebConf11. For registration instructions, please see: http://debconf11.debconf.org/register.xhtml DebConf11 will take place in Banja Luka, in Republika Srpska, Bosnia and Herzegovina from Sunday 24th to Saturday 30th July, 2011. DebConf will be preceded by DebCamp, from Sunday 17th to Saturday 23rd July, 2011. DebCamp is a smaller, less formal event intended for group work on Debian projects. The sponsored registration deadline is 8 May. Again, this year, we will have basic, sponsored, professional (€450), and corporate (€1000) registration categories. Travel sponsorship is again available. ----- End forwarded message ----- Cheers, -- Steve McIntyre steve.mcintyre(a)linaro.org

13 years, 5 months

RE: Office of CTO meeting notes

by Alan Chuang

Hi David & all: A recent blog post by Andy Rubin may help alleviating some concern on Google’s position on Android: http://android-developers.blogspot.com/2011/04/i-think-im-having-gene-amdah… Regarding ChromeOS, I haven’t looked at it myself at all. But as far as I know, the ChromeOS image will be digitally signed by Google; so it’s unlikely for any 3rd party to release a creditable ChromeOS build without Google authorization. The Chromium OS project is the open source version of it (http://www.chromium.org/chromium-os/developer-guide). Disregard my comment, if ChromimuOS is already what you guys are working on. Best regards, Alan Chuang -----Original Message----- From: linaro-dev-bounces(a)lists.linaro.org [mailto:linaro-dev-bounces@lists.linaro.org] On Behalf Of David Rusling Sent: 2011年4月7日GMT+08:00下午10時14分12秒 To: "linaro-dev(a)lists.linaro.org<mailto:linaro-dev@lists.linaro.org>" <linaro-dev(a)lists.linaro.org<mailto:linaro-dev@lists.linaro.org>> Subject: Office of CTO meeting notes All, the minutes of the last meeting can be found here - https://wiki.linaro.org/OfficeofCTO/2011-04-05 Dave -- David Rusling, CTO http://www.linaro.org Linaro Lockton House Clarendon Rd Cambridge CB2 8FH _______________________________________________ linaro-dev mailing list linaro-dev(a)lists.linaro.org<mailto:linaro-dev@lists.linaro.org> http://lists.linaro.org/mailman/listinfo/linaro-dev -- IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.

13 years, 5 months

Action: Help Test the Wiki Upgrade

by Joey Stanford

Hi Gang, Exciting news... we have a test instance of our wiki with upgraded software just waiting for you to test out and find bugs! https://wiki-test.linaro.org/ If testing goes well we'll upgrade the wiki NEXT WEEK. All changes to the test wiki will be thrown away so feel free to be destructive. Also, if you've been complaining about the wiki being broken, now's your chance to see if there are still problems with this newer version. Known Issues: 1) The calendars will need a tweak. Right now you'll get an error like this: <<MonthCalendar: execution failed [Argument "anniversary" must be a boolean value, not "projectmanagement/meetings/meetingtemplate"] (see also the log)>> 2) The column macro (like the one we use on the front page) needs some tweaking after the upgrade. The front page has been tweaked on the test wiki. Thanks! Joey

13 years, 5 months

Invitation to Linaro@UDS Introduction

by Matt Waddel

Hi Everybody, There will be a Introduction to Linaro@UDS presentation next week. This presentation is mainly directed at employees who have not attended a summit in the past, but all are welcome to attend. There will be a presentation of the slides linked below followed by a question/answer session. The meeting times are: Wednesday: 13 April 2011 4:00 UTC Thursday: 14 April 2011 15:00 UTC https://docs.google.com/present/view?id=dfg534bg_21f49t9krd Cheers, Matt

13 years, 5 months

[PATCH android/system/core] libpixelflinger: Build NEON optimized routine per target configuration

by Jim Huang

The variable TARGET_ARCH_VERSION variable has been renamed to TARGET_ARCH_VARIANT, and armv7-a-neon is the exact target enables ARM NEON instructions. Also, do include header <machine/cpu-features.h> to get ARM optimized routines compiled. Code Review: https://review.source.android.com/#change,22208

13 years, 5 months

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linaro-dev April 2011