Posts by Gecko

41) Message boards : Number crunching : Scratching my head over iPad (Message 966515)
Posted 28 Jan 2010 by Profile Gecko
Post:
The upwelling of dissent and opinion has been interesting today.

Analysts are all over the place.
Interesting that there's LOTS of mention of what it is not or doesn't have, yet no consensus on how the market will respond.

Bottom line is that even analysts don't know and are afraid to "underestimate" the power of the Apple brand, even with all the questions surrounding this product.

Nice read: FoxNews iPad
42) Message boards : Number crunching : Scratching my head over iPad (Message 966291)
Posted 28 Jan 2010 by Profile Gecko
Post:
Geeze, iPad is SOO much better than a piece of crap netbook after all.
Only Jobs could have known ;>)

I think the whole point is that this isn't a Netbook. It's something else.

Does it fill a need? I have no idea.


I agree completely Nedd.

It's actually LESS yet costs more, and THATs what makes it 'something else' as they can do this because it has an Apple on it ;>)

I'm having some fun w/ this.



43) Message boards : Politics : Why I hate everything Apple! (Message 966280)
Posted 28 Jan 2010 by Profile Gecko
Post:
I am laughing in pain right now. Apple has just introduced the "iPad" a tablet that sounds like a unmentioned women's product.

Rafe Needleman of CBS has called it a "ergonomic disaster", people are panning it's 10 hour battery life, it can only currently play games and read books. And Apple stocks actually dropped 5% as it became clear halfway through the presentation that the media wasn't impressed!

Apple has introduced the most stupid technological product I've ever seen.


I'm pretty annoyed at what I'm seeing in iPad so far. Just a new extension and level of the New Apple's arrogance.

Apple Ego +1
AT&T and Verizon +1
Media Fanboi Spin +1

Consumer -1
44) Message boards : Politics : Obama to kill Ares program (Message 966276)
Posted 28 Jan 2010 by Profile Gecko
Post:
Obama apparently plans to kill the Ares rocket program, the replacement for the Space Shuttle, as part of an attempt to fix the budget.
[i]

Until now I was on the fence, but this puts me squarely in the don't-like-Obama camp.


No prouder a moment for our socialist president than to force America to hitch-hike rides on Russian and likely in future, Chinese spacecraft. No offense pointed towards either, since both have sustainable, & working human delivery vehicles. Russia continued to invest and improve Soyuz all these years as an efficient delivery system.

Wish we had done same w/ Saturn V........
45) Message boards : Number crunching : Scratching my head over iPad (Message 966269)
Posted 28 Jan 2010 by Profile Gecko
Post:
IMO the ipad is just a larger ipod touch. Where you can actually see the screen when watching a movie.


I have a Touch (was a freebee) and that is also my initial impression re: iPad
Sure, the big draw is likely the idea of a media device that can connect to internet wherever you have AT&T or Verizon network coverage, but wait....you can do THAT too w/ a laptop or netbook.

Oh yeah, I forgot that Job's said that Apple doesn't know how to make a sub-$500 netbook that isn't a piece of crap.

Interesting solution.....Just sell wicked-cool looking $500-$900 Jumbo-Touchs' instead that don't need storage, real CPU power or much versatility. Oh wait....you get iBooks.

NOW I'm getting it!

Uber-Touch + uber-Kindle + cell network internet connectivity ALL in a single 16GB 3G device starting at $629.00 so you can pay the phone company monthly for a data plan, and Apple for any movies, songs or books you want to own.

Geeze, iPad is SOO much better than a piece of crap netbook after all.
Only Jobs could have known ;>)

I'm not worthy.......


46) Message boards : Number crunching : Scratching my head over iPad (Message 966229)
Posted 27 Jan 2010 by Profile Gecko
Post:
I own and crunch via PC & Apple.
No real bias as both have their strengths depending on user/application.

However, this is somewhat of a head-scratcher to me.

iPad 16GB Wi-Fi =$499.00

or

Acer Aspire One Atom N450(1.66GHz) 10.1" 1GB Memory 160GB HDD Win7 Netbook for $299.99

Yeah, the Acer is only good for 8 hrs vs. 10 on iPad, but hey....iPad is $200 MORE, for miniscule on board storage and even less CPU power than Atom etc.

iPad does look sweet, but IMO not much under the hood considering that this product STARTS at $499.00!
Cupertino has been increasingly pushing the envelope on their value proposition between "exclusivity" and performance, but this seems to be a whole new level of less = more ;>)

No thanks! I'll pass, get the netbook for a travel buddy, and put the $200 savings in "Branding" in my kid's college fund!

Oh...and of course, I can crunch on the Netbook! :>)
47) Message boards : Number crunching : Longest time Crunching without a re-boot? (Message 960715)
Posted 5 Jan 2010 by Profile Gecko
Post:
Just over 6 months so far on an Apple G4 running MB, since last reboot.
However, all it does is crunch Seti.
My overall experience w/ OSX has shown far better stability than -doze, though XP has been good in all fairness.

So many things can influence how long before a re-boot is necessary.
The less hardware connected and the fewer processes being run, the better.
Toss in thermal, dust, and humidity control with a sprinkling of voltage & current regulation ;>)

These are likely more influential to system stability than just the difference in OS.
Though some OS's may be less sensitive & more forgiving than others......

I wager that WIn7 will allow some pretty long "up" times.

48) Message boards : Number crunching : Intel cancels consumer Larrabee (Message 953088)
Posted 7 Dec 2009 by Profile Gecko
Post:
Message boards : Number crunching : Random Musings About the Value of CPUs vs CUDA (Message 849087)
Posted 337 days ago by Gecko_R7
Re: Larrabee

For us mere mortals, hard to place 100% faith in the current info re: Larrabee. Only Who? knows for sure...BUT....if it debuts this year in 45nm process w/ 32 and 24 core versions, then I'm slightly underwhealmed. There appears to be much speculation that Larrabee will be a @ 2 Tflop (single precision) card @ launch. Logical to assume this will be the 32 core variety.

The HD4870X2 is already @ 2.4 Tflops, the GTX295 to be released in a few days will be @ 2 Tfops. I understand that Flops alone is not the end-all basis for performance expectations, but for the purpose of "general" comparison, this is the power available in the market today......

IMO, it seems Larrabee is behind & will playing catch-up when it debuts......


After investing several hundred million $ of shareholder's equity, Intel announced in press release on Friday.....


Intel said Friday that its Larrabee graphics processor will initially appear as a software development platform only.
This is a blow to the world's largest chipmaker, which was looking to launch its first discrete (standalone) graphics chip in more than a decade.

"Larrabee silicon and software development are behind where we hoped to be at this point in the project," Intel spokesman Nick Knupffer said Friday. "As a result, our first Larrabee product will not be launched as a standalone discrete graphics product," he said.
"Rather, it will be used as a software development platform for internal and external use," he added. Intel is not discussing what other versions may appear after the initial software development platform product, or "kit," is launched next year.

Graphics chip analyst Jon Peddie, president of Jon Peddie Research, said Intel is not hitting performance targets and this became apparent at the SC09 supercomputing conference last month.
"Justin Rattner (Intel Senior Fellow) demonstrated Larrabee hitting one teraflop, which is great but you could walk across the street and buy an ATI graphics board for a few hundred dollars that would do five teraflops."

A teraflop is 1 trillion floating point operations per second, a key indicator of graphics chip performance.


Rather saw this one coming..... ;>)

Today, a person can already get 2-TFlops for only $200 bucks via 2 x HD 4770 for $99.00 each.



49) Message boards : Number crunching : Welcome to the 10 year club (Message 947938)
Posted 18 Nov 2009 by Profile Gecko
Post:
Finally made it :>)

10 years today.
Seems like forever since that Pentium II 200-mmx Compaq Armada crunched the first WU. (took @ 5 days IIRC )

Remember the VP of Sales walking by my cube at the end of day, saw the Seti screensaver running w/ all the pretty colors & had the look of WTH? on his face.

Lol, he knew he didn't want to know.

Good times :P~
50) Message boards : Number crunching : Optimized Applications and Other Binaries - Read Only (Message 945695)
Posted 7 Nov 2009 by Profile Gecko
Post:
HYBRID ATI GPU/CPU Optimized AstroPulse_v505 5.05 for Windows OS (r280)
Two editions available now at
Lunatics

Hi Everyone,

A SETI@Home AstroPulse optimized application for Windows has been released for use w/ HYBRID ATI GPU and CPU hardware.

This build uses ATI GPU as coprocessor to perform some part of AstroPulse algorithm on GPU instead of CPU. This will free CPU for other tasks.

Thanks to Raistmer for introducing a new ATI GPU-compatible optimized application.

Special thanks go to Jason G and Josef W. Segur for app features, algorithm discussions and useful hints, alpha testers: Arnulf, arkayn, heinz and Urs Echternacht for early spot of some app issues and useful comments about app behaviour, Gipsel for sharing some MW design approaches about sharing GPU between apps and all beta testers who tried app usability on their hosts.

To all of you we value your input and would like to hear from you at Lunatics'

Regards,

The Lunatics Team
51) Message boards : Number crunching : can't reach Lunatics (Message 939648)
Posted 13 Oct 2009 by Profile Gecko
Post:
I sent an email to Lunatics server admin to make sure he is aware.

Hopefully not a hack-attack :O
52) Message boards : Number crunching : Could BOINC app be written for Iphones? (Message 936903)
Posted 30 Sep 2009 by Profile Gecko
Post:
Short answer. "sure" it could be written.

However, then, someone would have to write a project application (or adjacent project aka iSeti ) for it as well ; >) that would process "shortened" work.

If you did run a project you'd have 3 main issues.

1) Suck a battery dry w/in only a few hours (100% load).
2) Drastically reduced battery life span w/ much higher rate of charge/discharge cycles.
3) Battery heat?

Lastly...the most important....

Performance would be SOOO painfully slow, (read: wayyy slower than even Intel Atom), that besides the fact that it would be totally undesirable to do it, likely not to meet most project deadlines for return of work. The only way for practical use would be shortened work units that would be specific to iPhone/Touch.

There's validity to the methodology of this. Up-teen millions of potential hosts means that even if a project tapped only a small fraction, running shortened work, could still be a substantial contribution to the project.

Today, the barriers and practicality are marginal, but in 12-24 short months, handhelds are likely to be substantially more powerful & better capable of necessary project performance.
Battery life however, will still be the #1 problem and would relegate most crunching while charging in a dock overnite.

53) Message boards : Number crunching : Optimized AstroPulse_v5 5.06 for Linux (Message 934200)
Posted 18 Sep 2009 by Profile Gecko
Post:
Optimized AstroPulse_v5 5.06 for Linux 64 & 32 Bit OS
Updated 9.17.09 w/ new Application_v5 5.06 & revision r168

Five Linux OS specific editions available now at Lunatics.

Hi Everyone,

A SETI@Home AstroPulse optimized application for Linux has been released.

This release offers significantly improved performance for SSE, SSE2 & SSE3 capable computers running 64 and 32 Bit versions of Linux.

Thanks to Urs Echternacht!!! for his Linux port of r168 by Jason G & Raistmer.

Special thanks once again go to Josef W. Segur, Sunu, the Alpha Testers, & all the Lunatics members who performed final Beta testing for their expertise, input & assistance.

To all of you we value your input and would like to hear from you at Lunatics'

Regards,
The Lunatics Team
54) Message boards : Number crunching : Optimized Applications and Other Binaries - Read Only (Message 934199)
Posted 18 Sep 2009 by Profile Gecko
Post:
Optimized AstroPulse_v5 5.06 for Linux 64 & 32 Bit OS
Updated 9.17.09 w/ new Application_v5 5.06 & revision r168

Five Linux OS specific editions available now at Lunatics.

Hi Everyone,

A SETI@Home AstroPulse optimized application for Linux has been released.

This release offers significantly improved performance for SSE, SSE2 & SSE3 capable computers running 64 and 32 Bit versions of Linux.

Thanks to Urs Echternacht!!! for his Linux port of r168 by Jason G & Raistmer.

Special thanks once again go to Josef W. Segur, Sunu, the Alpha Testers, & all the Lunatics members who performed final Beta testing for their expertise, input & assistance.

To all of you we value your input and would like to hear from you at Lunatics'

Regards,
The Lunatics Team
55) Message boards : Number crunching : - POLL - : SETI@home on ATI GPU.. (Message 932963)
Posted 13 Sep 2009 by Profile Gecko
Post:
I tried creating an account on Lunatics, but apparently with Simon gone, new accounts are not being activated.


Not all options seem to be available in your poll. What I would vote is: IX. Unsure - I have an ATi GPU but I don't know if I'll allow any project to use it for crunching.


@ OzzFan

Try to register again. Some ISPs block the verification email as "spam".
I'm an Admin @ Lunatics and can manually activate your membership if you have trouble again.
56) Message boards : Number crunching : Does this seem right for crunch speed? (PS3, Linux) (Message 927988)
Posted 22 Aug 2009 by Profile Gecko
Post:
Just some clarity to previous questions.

The PS3 mulibeam App compiled as by Gaurav Khanna does use SPEs and altivec, but is basically a port of stock code w/ whatever vectoring the GCC compiler manages w/ the -altivec flag enabled. It is not based on Alex's optimized source.
Gaurav had to modify stock code to enable & use the SPEs, but that's about it.
Also be aware that Cell uses a virtual 2nd core. So, all you really have is a fully functional single core CPU w/ a virtual 2nd core (think hyper-threading) that basically has to function as a task-manager to the SPEs, main memory etc.

The ars technica articles below are quite good.

Ars technica CBE Part1
Ars technica CBE Part2

A key takeaway is this:

....the PPC core does have a VMX unit. Nonetheless, I expect this VMX to be very simple, and roughly comparable to the Altivec unit o the first G4. Everything on this processor is stripped down to the bare minimum, so don't expect a ton of VMX performance out of it, and definitely not anything comparable to the G5. Furthermore, any Altivec code written for the new G4 or G5 would have to be completely reoptimized due to inorder nature of the PPC core's issue.


The total single precision processing power of the SPEs in aggregate is tremendously powerful, but requires a complete rewrite of code to THIS specific CPU, a daunting challenge.
One reason why there are sparse cell-optimized project support.

An interesting comparison is my single core G4 @ 1.25Ghz running AKv8 runs @ same output the current CBE port.

I love the PPC arch and would have been jazzed to see a highly opt app., but realize it's a single-purpose endeavor of major undertaking.

Cheers,
Gecko.


57) Message boards : Number crunching : When Boredom leads to Registry Editing.......... (Message 919361)
Posted 19 Jul 2009 by Profile Gecko
Post:


But also note, the java/Android porting of Boinc may well get used far beyond just mobile phones.

Happy crunchin',
Martin


I think the idea is very forward thinking & now is actually a good time for the early legwork and development, especially re: Java. This will take some time & we have a little yet before hardware can use it effectively. New process tech @ 32nm & 28nm promise a renaissance of sorts for handhelds in CPU processing power and power-savings. 22nm processors are only a couple of years away.
We should also see some quite powerful GPU engines integrated into handhelds at these process nodes.
There are also some new battery tech w/ 20-50% better power-densities we should see in mass over the next couple of years. It's no wonder we seeing a "race" of sorts by companies that see integrated hand-held computing, media and phone as a far larger future market opportunity than net-pc, or consumer laptop even. Case in point that 2 years ago, laptop went with me for every day I traveled.
Now, I'll use hand-held for short 1-2 day trips and leave lap-top in office.

I think aps that are able to run via graphics engine on upcoming handhelds could deliver surprising performance and still accommodate hand-held power limits. Processing while charging (especially overnight) is a brilliant idea if the battery can handle the increased charge-discharge cycles.

EVen if a Java port of BOINC arrives, the next question is "who" will be able port the Seti applications to Android or Java? ATI & Brook+ are providing sufficient challenges for Lunatics devs ATM. Not sure how well CUDA & Java can/will play together though some work is underway with jCUDA HERE

Fun stuff! Glad to see these efforts underway and current work continue in this direction regardless.
58) Message boards : Number crunching : When Boredom leads to Registry Editing.......... (Message 918960)
Posted 18 Jul 2009 by Profile Gecko
Post:
LOL! I actually came across a Vic-20 @a yard sale 3 weeks ago. Had a floppy & cassette drive also. All three in boxes w/ all original manuals. He wanted $115 for all. (no monitor).
Unit was clean as a whistle. Claimed it worked, offered to let me take it home & try before paying.

Was SOOOO tempted as a novelty since I used one in computer lab in Jr. High.

Then I thought...."what the heck would I do with it???? ".
Not like I'm going to write BASIC to use it. God knows I don't remember much of THAT any more, or Pascal for that matter.

So, $115 for a vintage novelty paper weight.
Practicality won out in the end.

Would have been a nice specimen for someone's PC collection, however.
59) Message boards : Number crunching : Lunatics Unified Installer for Windows v0.2 (Message 918555)
Posted 16 Jul 2009 by Profile Gecko
Post:
Lunatics Unified Installer for Windows v0.2
Three Windows OS specific editions available now at Lunatics Windows Public Downloads area

This release is designed to install optimised Seti@Home applications on your Windows PC, that already has Boinc installed, is attached to, and is processing work for the Seti@Home project.

These installers are specifically designed to minimise the effort, confusion and difficulty sometimes encountered with installing Lunatics' third party optimised applications for Seti@Home, while not impeding further customisation & enhancements.

Choose From 3 editions, a short summary of features is below. Please see the Readme/FAQ at our site for further information that will be progressively extended.

Common Features:
- Astropulse_v505 5.05r168 in SSE or SSE3 variants.
- Multibeam 6.03, AKv8b applications, SSE upwards (Minor cosmetic updates over AKv8)
- nVidia Cuda enabled Multibeam 6.08 V12 VLarKill (Win32 & Win64 only, with supported nVidia GPUs only.)

Win32 edition features:
- For 32 bit versions of Windows, from Windows 2000 upwards.
- SSE or Higher CPUs
Win64 edition features:
- For 64 Bit Windows Editions
- SSE3 or Higher INTEL/AMD
- Now includes a 32 bit build of Multibeam that proved faster on AMD cpus with SSE3 support
Win98me edition features:
- For Windows 98, and Windows Millenium edition.
- Installs Multibeam 6.03(CPU) and Astropulse applications

Special nVidia Cuda Multibeam (V12 VLARKill) Build Notes:
- Updated Cuda libraries to v2.2
- Requires nVidia display driver version 185.85(or higher)
- Requires 220MiB+ AVAILABLE video RAM.
- General improved performance with reduced startup time over V11
- A V12 build without VLARKill feature is available via our downloads page, FOR ADVANCED USERS that know exactly what they're getting themselves into. Most Lunatics use and recommend the use of the evolving 'rebranding' tools to move tasks from GPU to CPU, and hope these tools, and application improvements with respect to the handling of 'very low angle range' tasks, will improve for inclusion in future installer releases.

Lastly, there are many people responsible in the development and testing of this new tool, but the vision & main development is owed to Jason G. A special thanks for the continued dedication of Richard Haselgrove, Josef W. Segur, Raistmer and the Alpha Testing Team.
AND.....a big welcome and THANK YOU to the inaugural group of Lunatics member Beta Testers that pitched-in and helped to test multiple installation needs on a variety of platforms. Their testing greatly expedited the trouble-shooting process that allows this release.

Lunatics welcomes your comments and suggestions as to current ease, difficulty, functionality, and suggested improvements for future versions.
Please feel free to post here on the boards or @ Seti Main Number Crunching board.

Thanks,

Lunatics Team
60) Message boards : Number crunching : Optimized Applications and Other Binaries - Read Only (Message 918553)
Posted 16 Jul 2009 by Profile Gecko
Post:
Lunatics Unified Installer for Windows v0.2
Three Windows OS specific editions available now at Lunatics

This release is designed to install optimised Seti@Home applications on your Windows PC, that already has Boinc installed, is attached to, and is processing work for the Seti@Home project.

These installers are specifically designed to minimise the effort, confusion and difficulty sometimes encountered with installing Lunatics' third party optimised applications for Seti@Home, while not impeding further customisation & enhancements.

Choose From 3 editions.

Lunatics welcomes your comments and suggestions as to current ease, difficulty, functionality, and suggested improvements for future versions.
Please feel free to post here on the boards or @ Seti Main Number Crunching board.

Thanks,

Lunatics Team


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SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.