Re: 5 sec boot

> can you do the hash as you copy it? it should be pretty close to free at > that point (since the CPU is waiting for memory/flash access it can do the > hash calculationwhen it would otherwise be stalled) > > According to my measurements the GeodeLX can fetch a new cache line (32 bytes) eve

5 sec boot

If you somehow missed it, there is possible to boot Linux in 5 seconds on an EeePC. http://uk.youtube.com/watch?v=s7NxCM8ryF8 Here is the paper: http://www.fenrus.org/plumbers_fastboot.ppt Could somebody explain me whether these results are applicable to the XO, and how far are we from it, plea

Re: simple datastore replacement, take two

>> The Datastore can then provide two accessor functions: >> get_by_value(key) and get_by_reference(key). get_by_value() returns the >> contents of the file as a bytestring in memory. get_by_reference() >> returns the path to the metadata file, or another path linked (soft or >> hard) to that fi

Re: Please help test our new best 8.2.0 candidate, 8.2-763!

I love it! I do not know who did this, but it seems that my WPA connection issues are gone. It connected automatically 2 times in a row, thank you! Now after updating from 760, on the first boot the software update came up, checked Activities' versions, and when I clicked that download and inst

Re: build 8.2-760, Read activity and ebook mode - how to make them work together?

> In any case, I brought this idea less due to the customization idea, > and more due to the expressed desire to have a list of available > keyboard shortcuts. It sounded like you were proposing a system by > which they appeared all at once -- as hovering bubbles, perhaps? -- on > screen contextu

Re: build 8.2-760, Read activity and ebook mode - how to make them work together?

> Another possible option, for general use, which we've discussed in the > past is a palette dedicated to keyboard mappings, revealing a user > configurable set of actions. This would make it possible to see all > of the shortcuts for an activity in one consistent place, and even > allow the user

Re: build 8.2-760, Read activity and ebook mode - how to make them work together?

Probably it would be the right time for 9.1 to finally make Sugar usable from the keyboard? For example I did not see any activities using accelerators (Ctrl+Key or Alt+Key) or at least they are not showing it on the UI. This problem that cursor keys are lost is widespread. In some activities I

Re: Wellington testers + Activities vs 8.2-759

> - Associating to an AP using WPA is extremely unreliable. Some > laptops do, some after a few tries, some never. Likely to be the > timing bug that has been discussed before. > > > There is another bug somewhere in the network stack. With my Belkin PreN router (MIMO chpset), every connectio

Re: Please help test our new 8.2.0 weekly beta, joyride-2301!

It is back again, it is a blocker, please somebody really fix it! http://dev.laptop.org/ticket/7608 I feel the touchpad very jumpy, it was not jumpy at all with 708. Since 2230 (if I remember) the software updater simply refused to update Scratch (it jumped back to the start of updating). With 2

Re: Datastore profiling

ve system i/o performance. >>> >> That looks interesting, but from my POV, would be better for Sugar >> performance if compression was disabled by default, and was mostly >> used just by pilgrim when creating the jffs2 image file. >> > > In July, Nois

Re: Please help test our new 8.2.0 weekly beta, joyride-2263!

2263 works for me. Something fixed the system crash made by Record I have experienced on 2230 (so I will not file a ticket for that). Speak cannot be started (the icon blinks for a long time and then the application stops starting). What started with 2263 is that when the system wakes the displa

Re: Please help test our new 8.2.0 weekly beta, joyride-2263!

Probably it would help if the linked pages would contain a link to the specified build's directory at http://xs-dev.laptop.org/~cscott/xo-1/streams/joyride/build2263/devel_jffs2/ Just my 0.02$ Michael Stone wrote: > We are thrilled to announce a new test build, joyride-2230, valid until > Wednesd

Re: Test results on Joyride 2230?

d before I will file this ticket, it may have been magically fixed :) Daniel Drake wrote: > On Tue, 2008-08-05 at 14:03 +0200, NoiseEHC wrote: > >> I have downloaded it even before it was selected as a weekly stuff. >> Record-54 crashes the build (the machine freezes). I did

Re: Test results on Joyride 2230?

not an option since in those cases an user level program can crash Linux which is unacceptable. http://dev.laptop.org/ticket/7608 Morgan Collett wrote: > On Tue, Aug 5, 2008 at 14:03, NoiseEHC <[EMAIL PROTECTED]> wrote: > >> I have downloaded it even before it was selected

Re: Test results on Joyride 2230?

I have downloaded it even before it was selected as a weekly stuff. Record-54 crashes the build (the machine freezes). I did not create a TRAC entry since my last TRAC entry did not receive any attention so I just did not care (actually I do not know what to expect). Just started the thing and s

Re: video bleeds through somewhat between sessions

It is the video chip's feature that it can display a video overlay over the RGB bitmap. The pixels where the overlay can be seen is defined by a colorkey (what was 0xFF00FF in the example), or the alpha component of the display RGB bitmap (not used on the XO since the change 16 bit bitmaps). Wh

Re: odd yum dependency issues in joyride

I have just reflashed my XO since it failed to boot. Did a reflash with 703 then olpc-update --usb to 2181 then yum install gcc [EMAIL PROTECTED] wrote: > martin wrote: > > On Fri, Jul 25, 2008 at 06:33:08PM +0200, NoiseEHC wrote: > > > With 2181 this worked: > > >

Re: odd yum dependency issues in joyride

[EMAIL PROTECTED] wrote: > c. scott ananian wrote: > > On Fri, Jul 25, 2008 at 10:43 AM, <[EMAIL PROTECTED]> wrote: > > > i've been slowly moving my g1g1 machine forward to joyride (from 656). > > > i had customized it quite a bit, and am trying to restore those changes. > > > i've got xfce

Re: State of 8.2.0, July 21, 2008

> My changes from the last 2 weeks are now in joyride, leaving us 2mb over > target. > I slimmed down 2 more packages today (pam and xorg-x11-utils) which > should bring us to the target. > > We also need to get these package forks into Fedora. I filed a load of > RH bugzilla bugs about them today

Re: LZO support

Okay, I have become a little more advanced lately, and was able to compile the kernel zlib and lzo in userspace (last year I gave up...). So here is the code (with results, the lib file is the compiled lzo 2.03): http://wiki.laptop.org/images/5/5b/Zlibtest5.tar.gz Since I did not find any assemb

Re: LZO support

>> On Mon, Jul 14, 2008 at 11:51:20PM +0200, Tomeu Vizoso wrote: >> >>> On Mon, Jul 14, 2008 at 9:00 PM, NoiseEHC <[EMAIL PROTECTED]> >>> wrote: >>> >>>> I have a partially finished ZLIB decompression code as well. mstone >>

Re: LZO support

C. Scott Ananian wrote: > On Mon, Jul 14, 2008 at 2:05 PM, NoiseEHC <[EMAIL PROTECTED]> wrote: > >> Currently I am profiling/rewriting the LZO decompression code. >> > > Again, be warned that there's no guarantee we will ever use LZO > compress

Re: LZO support

Currently I am profiling/rewriting the LZO decompression code. The speed result (from memory, not too reliable): LZO compression: ~9.5 MB/sec LZO compression ASM version: ~9.3 MB/sec LZO decompression: ~25MB/sec LZO decompression ASM version: ~40 MB/sec Here the ASM version is the version from the

Re: Home View appearance

am not a Linux guru, can it be the Network Manager?) has a big race condition, or the wireless scanning logic has some bad heuristic. What is sure is that my XO can connect to the MIMO chipset 100% reliably. Michael Stone wrote: On Wed, Jul 09, 2008 at 12:55:25PM +0200, NoiseEHC wrote: I am

Re: Home View appearance

>> Another problem is that the Activity button (the 4th zoom level) can >> select the Journal if that was the last active activity. It has an own >> button so I cannot see any reason why it has to be the way it is. It is >> an annoyance that when I download several things then go from Browse to >>

Re: Home View appearance

the pdf in Read, close Read and click the button it switches back to Journal and not Browse. It should not treat Journal as an application. Tomeu Vizoso wrote: > On Tue, Jul 8, 2008 at 9:37 AM, NoiseEHC <[EMAIL PROTECTED]> wrote: > >> Could we at least select the ring view

Re: Home View appearance

Could we at least select the ring view by default? I see the free form view as unnecessary crap because the last thing I want is to reorder icons by using the touchpad. Did anybody actually try that exercise? Also the list view has a bug, that it does not have an XO icon which can be clicked to

Re: Inappropriate use of private meetings & lists. (reply to).

> On Wed, 2008-07-02 at 17:47 +0200, NoiseEHC wrote: > >> 1. olpc games sets the reply-to >> > > Sounds like it should get fixed... > > >> 2. BTW this recommendation does not make my point wrong (eg that the >> current setting makes hard

Re: Inappropriate use of private meetings & lists. (reply to).

el/?VARHELP=general/reply_goes_to_list > - Jim > > > > > On Wed, 2008-07-02 at 09:19 +0200, NoiseEHC wrote: > >>> There are top-down decisions being made by a few people that drive the >>> direction of OLPC. These decisions are no

Re: Inappropriate use of private meetings & lists.

> > There are top-down decisions being made by a few people that drive the > direction of OLPC. These decisions are not waiting for consensus, and > they are made by a small number of people. I don't believe this is > going to change (at least not in the short term). > I, personally, do not car

Re: etoys implementation

Thanks! > Why do you refer it to as "binary blob"? > > That was the first word jumped into my mind. All I know is that it is not in CVS or GIT so nothing serious. ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/deve

Re: etoys implementation

>> There's also a warning at http://wiki.squeak.org/squeak that if you >> want to run eToys, you need to run a different version of Squeak than >> everybody else. >> > > *That* is Etoys. What is wrong with it? > Just out of curiosity: Exactly how is it different from vanilla squeak? (If

Need advice to upgrade

Hello, I have just received my XO via the Developers Program. The machine is working nicely, but there is a problem connecting to my wireless router (Belkin Pre-N F5D8230-4) which uses WPA-PSK with AES encription. The XO just asks for the password over and over again. The strange thing that co

Re: XO-2 software plans

There was a thread about the X driver here: http://lists.laptop.org/pipermail/devel/2007-September/006565.html Because there were much more pressing things to do than rewriting the X driver by Bernardo this project stalled. However it is one of my project ideas on the developer program so hopefu

Re: 15 computer science collegians looking for a project

Okay, today I have checked whether my "projects" got moved to the wiki but now I can see only the second one (and it is not in the wiki either). Aaron Kaplan wrote: > > On May 5, 2008, at 8:38 PM, NoiseEHC wrote: > >> I have registered on said page but when I click to m

Re: 15 computer science collegians looking for a project

>> One of the textboxes is not too clear to me on the new project page. >> 1. Description of your experience, both with hardware and software. - >> Am I supposed to write about my work experience regarding the new >> project? > experience in general. Why are you the right person to do that proje

Re: 15 computer science collegians looking for a project

Edward Cherlin wrote: > On Mon, May 5, 2008 at 11:38 AM, NoiseEHC <[EMAIL PROTECTED]> wrote: > >> I have registered on said page but when I click to my projects it goes >> to wiki.laptop.org and all I can see an empty page. Are those people >> over viewing

Re: 15 computer science collegians looking for a project

if you request > quantities of laptops, it will probably be refused. > > SJ, Aaron, > Can you provide an overview of how the new system works? How > applications get reviewed and how often ship orders will be sent out? > How people get feedback on their request, etc? > &g

Re: 15 computer science collegians looking for a project

-29 at 07:04 -0400, Walter Bender wrote: > >> I was perhaps under the mistaken impression that OLPC was dumping >> machines to developers like candy again after a hiatus due to a >> logistical snafu. Hmm. >> >> -walter >> >> 2008/4/29 NoiseEHC <

Re: 15 computer science collegians looking for a project

> I still don't understand what you mean, but the clock timings that are > in the data sheet, are the same ones on my documentation. You would have > to find somebody more skilled then I to debate if they are correct or not. > > Okay, here are some exaples (intel notation): First, the 2 cycles

Re: 15 computer science collegians looking for a project

On 29/04/08 17:41 +0200, NoiseEHC wrote: On this page http://wiki.laptop.org/go/Geode_LX I have named some instructions as "Synchronized ops" (in the MMX section). Are those real or did I mismeasured something? That section is very difficult to understand. I'm

Re: 15 computer science collegians looking for a project

I am sorry but I cannot recall a message from you about this (can be eaten by the spam filter or simply lost?). I mean that you have always answered my questions about the video driver and similar thing (thanks again) just not those processor core questions so I supposed that it is not your are

Re: 15 computer science collegians looking for a project

>> Okay, it seems that I extrapolated my attempt to the current situation. >> ~9 months ago I have applied for a physical machine (or for a login to a >> physical machine) since the databook missed a lot of information >> regarding assembly instruction scheduling on the Geode. I was told to >>

Re: 15 computer science collegians looking for a project

_an_XO > > Thanks, > > Tomeu > > On Tue, Apr 29, 2008 at 1:04 PM, Walter Bender <[EMAIL PROTECTED]> wrote: > >> I was perhaps under the mistaken impression that OLPC was dumping >> machines to developers like candy again after a hiatus due to a >> l

Re: 15 computer science collegians looking for a project

Actually it is a funny proposal since without real XO machines it is a little bit hard to profile programs and since it seems that it is quite impossible nowadays to get a machine, they are out of luck. Exactly why does not OLPC just dump machines to developers like candy? Even if only 1% of pe

Re: A technical assessment of porting "Sugar" to Windows.

I have just found this link: http://pages.cs.wisc.edu/~driscoll/fuse-nt.pdf This is a report about a failed IFS-FUSE attempt. They ended with a loopback SMB server what should the Sugar windows port should follow IMHO. ps: The report contains the problems writing windows FSs. ___

Re: A technical assessment of porting "Sugar" to Windows.

Thanks for providing this summary! What is not clear to me is whether we are talking about: 1. Windows on XO with Sugar 2. Sugar on Windows on any machine 3. Both Also not clear what advantage could any variation provide to OLPC so probably NN could be a little more concrete about Sugar on Window

Re: A technical assessment of porting "Sugar" to Windows.

You mean everything that actually calls into GDI. The kernel is fully thread safe and preemptive on NT. Since as I know GTK is thread affine as well, probably it is not a problem. Jeffrey Kesselman wrote: > This may be obviosu to everyone, but just a note if it isnt > > I have a lot of experi

Re: Sugar on Windows

I sense a little misunderstanding here, probably because my English was not too clear. In the Windows world, the "shell" means explorer.exe which draws the desktop/start menu/folders. Replacing this with the Sugar zoom interface and frame is a little bit silly idea. However porting sugar apps t

Re: Sugar on Windows

You seem to miss this: >> Depending how you define "Sugar"... See? >> I don't want to waste too much time discussing Sugar on Windows. But >> stating this is a 1-man effort is ridiculous - unless you are >> speaking of emulating a whole Linux installation. >> >> I was talking about to po

Re: Walter leaving and shift to XP.

Michael Stone wrote: > On Wed, Apr 23, 2008 at 05:37:08PM -0400, Walter Bender wrote: > >> I certainly don't know enough about Windows to be able to answer your >> question from the technical perspective. >> > > As a former Windows developer (using both proprietary APIs and Free > APIs), I

Re: Activity Launch Notification

> We've recognized that accidental activation of the Frame is a problem, > but haven't had time to implement any of the proposed changes. The > simplest change we hope to add is a tiny delay, to prevent accidental > activation when attempting to reach a button or element near the > corners. Even

Re: Call for Papers/Talks/Ideas! "Update.2 Mini-Conference"

-February/43.html Tomeu Vizoso wrote: > On Fri, Mar 21, 2008 at 6:50 PM, NoiseEHC <[EMAIL PROTECTED]> wrote: > >> Could somebody answer these questions? >> 1. What is the status of zlib -> lzo transition in jffs2? >> 2. What is the status of the new X arc

Re: Call for Papers/Talks/Ideas! "Update.2 Mini-Conference"

Could somebody answer these questions? 1. What is the status of zlib -> lzo transition in jffs2? 2. What is the status of the new X architecture? (The name is DRM but I am not sure.) 3. What is the status of the shared page python stuff? Will the reference count problem will be solved in Python 3

Re: compiler / glibc optimization

The Theora request had got no reply: http://lists.laptop.org/pipermail/devel/2008-January/009668.html If you take the time, I would be interested in times with and without MMX support (if I am not mistaken the former will be mush slower). Vasilis Liaskovitis wrote: > 3) Are there any important li

Re: Rebuilding the Kernel

I had the same error on FC8. It works on FC7. Tom Hoffman wrote: > Hi all, > > I'm trying to get a USB2VGA adapter working. Step 1 would appear to > be compiling the SISUSBVGA module in the standard kernel tree and > getting it onto my XO. > > So I've been trying http://wiki.laptop.org/go/Rebuild

Re: pyglet

The XO does not have hardware OpenGL support and has a very slow processor so OpenGL is disabled in X. It means that 70% of pyglet will not be too useful. Cesare Marilungo wrote: > http://www.pyglet.org/ > > Just installed and tested (not on the XO yet). It seems a good > alternative to pygame.

Re: Fwd: Dailymotion for XO laptop

Thanks, it clarified a few things. I did not even think of the GPL and the QEMU images. [EMAIL PROTECTED] wrote: > NoiseEHC, > > > Sure, using Ogg over MP3 is totally okay, since it is not only free but > > better than MP3. But as others said all the free video codecs are c

Re: Fwd: Dailymotion for XO laptop

I have been following prior discussions about codecs in general (it is not about Gnash) and there is one thing I cannot understand. As I see for example a H.264 AVC codec license is 0 or 10 or 20 cents/device. If I am mistaken somebody please correct me. See: http://www.mpegla.com/avc/AVC_TermsSu

Re: GLX available?

> I have two questions: > 1. Do you think you could implement realtime wireframes at 400x300? What > about higher resolution? > > This would be enough to provide a preview for a 3D modeler. 3D Studio > Max and similar tools only showed wireframes until you asked for a > render, which could take s

Re: jffs zlib tuning

Then it is the last nail to the coffin of asm-izing zlib. As I see the LZO code is cache friendly so there is no way to speed it up. I am sorry wasting you time. :) imm wrote: >> On 7 Jan 2008, at 19:28, Benjamin M. Schwartz wrote: >> >> >>> Nonetheless, I decided to benchmark the compresso

Re: jffs zlib tuning

> However, I recommend hacking in libz first, making it work with > gzip, and staert porting it to the kernel next step. Debugging > and benchmarking in userspace is *so* much easier. > Ah, I tried it. Unfortunately the zlib in the kernel is a heavily modified zlib and I was not able to compile i

Re: jffs zlib tuning

It is unfortunate that it was not discussed on this list. Anyway, at least I have learnt writing Linux drivers in the process... What compression can be achieved with LZO? Last time I used it only for real time compression (backup), and not because of the compression ratio. (I suppose that you h

jffs zlib tuning

This message is primarily written for Bernardo Innocenti but everybody with relevant knowledge is welcomed to give some insight. I have decided two months ago that will write an asm implementation for zlib inflate (decompression) since Mitch Bradley said that the read speed is 3MB/sec which is

Re: GLX available?

is it)... Ivan Krstić wrote: > On Jan 7, 2008, at 7:11 AM, NoiseEHC wrote: >> The databook of the LX is so low quality that hand optimization requires >> testing everything > > Please feel free to ask questions about the Geode on this list where > you find the published d

Re: GLX available?

Try to contact him, he ported TinyGL successfully: http://lists.laptop.org/pipermail/devel/2007-June/005375.html > As a data point, Doom runs quite fast even at full resolution on a > B4. Have not heard reports on getting Quake running. But I suspect > that a software renderer hand-optimized

Re: Give One Get One laptop for software development

If you hit some areas where the spec (databook) does not describe reality, please update this page: http://wiki.laptop.org/go/Geode Thanks! Danilo Câmara wrote: > I'm a student at State University of Campinas, Brazil. I'm researching > efficient implementation of Elliptic Curve Cryptography in co

Re: New joyride build 1405

Virtual PC implements a virtual cirrus card. It can be one reason. Jim Gettys wrote: > I do not understand why we'd have a driver for cirrus in our system > > Can someone enlighten me? > - Jim > > ___ Devel mailing lis

Re: Updated glibc-2.7 for geode

> By the way, why can't we drop the geode optimized routines in > sysdeps/i386/i686? The i686 subarch has many more asm > optimizations that we may like to have on the geode too. > > We've been using the i686 binary on the laptop since before > I joined the project, so we're not concerned by ISA

Re: Emulators (Was: Status of the OLPC)

I have updated this page with the setting which work for me: http://wiki.laptop.org/go/Using_QEMU_on_Windows To tell you the truth, I do not remember why I had to disable the default LAN config... ps: I can be strange but for windows programmers it is not trivial to start apps with 1K long comma

Re: Emulation issue

It is because the network settings are bad. If you are using Qemu Manager (recommended) you have to delete the default network card setting on the VM image properties (third property page, Network) and include the following on the last property page (Specify Optional Command Parameters): -net us

Re: [sugar] secure /tmp and /var/tmp

>> 2) How much can the flash drive handle per throughput AND lifetime limits? >> >> > > Throughput is dominated by compression / decompression. The latter goes > at about 3 MB/sec; the former is probably slower. > Assuming that 50% of time is spent in decompression: 433.000.000/3.000.

Re: Compiler optimization for Geode/Floating Point pipeline

My understanding is that you will not be able to achieve significant speed gains with FP scheduling. The Geode already has an out-of-order execution unit and no matter in what order you throw ops at the unit, it will take almost the same clocks to execute. So you can switch on -march=geode and

Re: XFree86-DGA

It is answered in the thread "The "iGoogle bug" ". In short, when the X people finish that DRM thing the XO will probably be updated to eliminate that copy but currently there are much more important things to do right now. Albert Cahalan wrote: On 9/26/07, Daniel Monteiro Basso <[EMAIL PRO

Re: Performance tuning for the XO

There is a crypto++ library: hash functions SHA-1 , SHA-2 (SHA-224, SHA-256, SHA-384, and SHA-512), Tiger , WHIRLPOOL , RIPEM

Re: MMU vs GPU (Was: The "iGoogle bug")

Of course, writing code for this would be kind of stupid one month before shipping. From my side it was just a thought whether it could be done at all (it can). Jim Gettys wrote: > Right now, the X kernel driver infrastructure and memory management > isn't adequate, and is being worked on activ

Re: MMU vs GPU (Was: The "iGoogle bug")

ir servers seems to be down. Bernardo Innocenti wrote: > NoiseEHC wrote: > > >>> - Seeing if we can get the blitter to read source data directly from system >>>memory. I'd be very surprised if there was no way to make it work >>>with virtual mem

Re: The "iGoogle bug"

> - Seeing if we can get the blitter to read source data directly from system >memory. I'd be very surprised if there was no way to make it work >with virtual memory enabled, because, without such a mechanism, the >blitter would be less than fully useful. > > > Could somebody shed

Re: Pippy and Calculate - Evolution Solution

Wow, fast answer! > On Sep 8, 2007, at 1:20 PM, NoiseEHC wrote: >> I tried to run my little tests via this mailing list and there were some >> kind people who took the time to help me but it turned out that the >> Geode is below my worst expectations and so requires a lot

Re: Pippy and Calculate - Evolution Solution

> On Sep 7, 2007, at 10:05 PM, Yoshiki Ohshima wrote: > >> You can almost tell that he is pretty much the only guy who is >> interested in supporting outside developers. >> > > That isn't fair. I speak on behalf of the entire OLPC team when I say > that we're extremely interested in supp

Re: random questions

> "Care was also taken to avoid hysteresis attacks: it is not possible > to enable capture from the microphone or camera for such a short time > that the LEDs do not noticeably light." > -- page 9, http://cups.cs.cmu.edu/soups/2007/proceedings/p132_krstic.pdf > You are cool!!! :) Okay, just ask

Re: Geode Test

Okay, got results for the second test, you do not have to waste your time for that. :) ___ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel

random questions

I have two things I am thinking for a time now: 1. (paranoid mode on) As I know there are LEDs indicating the camera/microphone activity. Have you thought about that if a rogue program uses the camera for 1/10 second in every second then the LED will blink fast enough that the user will see it a

Re: accessibilities first tests - many questions

>> Can I also ask for some help there? >> >> Regarding the X being used, I am curious to know if there is a way to >> do live screen scaling ("zoom" function, where the whole screen is >> magnified) ? Ideally, it would be hardware managed, but that could >> also be done by software. >> > > No

Re: Geode Test

I have got two results, thank you for your time! Next test will be posted here today I hope. :) NoiseEHC wrote: > Hello, > > If you have 5 spare minutes and a B3 or B4 laptop, would you be as > kind as to compile and run this test program, please? > (Most likely for this test the

Re: Early boot, activation, upgrades

There is an MMX WHIRLPOOL version in cripto++. Are you using that? Mitch Bradley wrote: > Whirlpool takes 1.16 sec/MiB. SHA512 takes 0.42 sec/MiB (on a preB3, > i.e. an LX CPU). > > ___ > Devel mailing list > Devel@lists.laptop.org > http://lists.lapt

Re: 3d graphics

The problem with 3d graphics as I see is memory bandwidth. Filling 1200x900 even if only just one color component in every pixel is a no-no. The only option is to render to an overlay surface and scale that to the display. There is a video of full screen Doom on the OLPC so it is a viable route

Geode instruction scheduling questions

Hi! I have some question about the the scheduling of instructions since the pdf is quite sparse. I have also read this thread: http://lists.laptop.org/pipermail/devel/2006-August/001232.html 1. As I understand the Geode can only schedule 1 ops/clock even if it has 2 execution units. Is it corre

Re: 3d graphics

documentation, it simply scraps 2/3 of the frame buffer data when deswizzling so it seems that not generating that data would be a win either way. The OpenGL thread: http://lists.laptop.org/pipermail/devel/2007-April/004805.html Jordan Crouse wrote: > On 30/05/07 17:55 +0200, NoiseEHC wrote: >

Re: 3d graphics

Geode will be able as well... :) Can I ask about the Geode's instruction scheduling here in this list? Jordan Crouse wrote: > On 30/05/07 13:33 +0200, NoiseEHC wrote: > >> Hi! >> >> I have read through the GeodeLX documentation and I noticed that its DC >>

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