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Jason G

June 18, 2012, 11:27:38 AM
Could be.  Some say these are hard to get, so it depends mostly or your needs/wants/budget and confidence.  Their waranty & personal history does it for me.  They know it & is why they have the great reputation

Caprio

June 18, 2012, 10:46:08 AM
Hey theres now 2 units available at Jimms Evga GTX 680 2GB GDDR5 for 519? Maybe time to close the deal on one before midsummer?

Jason G

June 16, 2012, 06:12:11 AM
I'd personally stick with an eVGA 680, preferably signiature 2 model... If you can get it.  Best Warranty & parts binning IMO, and the 680 full part is preferable if you can stretch the budget.  My own 680 is a reference Gigabyte one, which runs very well too, though the warranty conditions are tigh

Caprio

June 08, 2012, 05:35:17 PM
Any ideas how easy one could get a 2 slot 680? Would Palit be an option? Or would it be better to get a 670?

Jason G

April 09, 2012, 09:27:36 PM
680 currently doing 6 tasks at a time.. No idea if that's optimal, but it looks cool  ;D

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30 May 2013 - X41zc Release Notes

x41zc general notes
    - This document is for the Windows versions of x41zc.
    - You may have obtained this Cuda application either as a standalone manual install package
    (intended for advanced users), as part of a Lunatics Unified Installer, or as a stock application automatic download.
    - This application is intended to process seti@home multibeam tasks, on Cuda enabled nVidia Graphics  Processing Units (GPUs)
    - This application is currently available in 5 'flavours',
                - Cuda 2.2 (min driver 185.85 ), exclusively for hosts that cannot upgrade to later Cuda version drivers. NOT to be used on Fermi/Kepler!

                - Cuda 2.3 (min driver 190.38 ), to be distributed as 'stock' for widest support of Video drivers, and recommended for use on older GPUs prior to Fermi & Kepler, such as 8xxx series, 9xxx series, GTX 200 series.

                               Usually the  best choice on Pre-Fermi. NOT to be used on Fermi/Kepler!

                - Cuda 3.2 (min driver 263.06 ), also to be distributed as 'stock' for widest support of Video drivers, and recommended for use on older GPUs prior to Fermi & Kepler, such as 8xxx series, 9xxx series, GTX 200 series.
                - Cuda 4.2 (min driver 301.48 ), recommended for Fermi class GPUs for a significant performance increase.
                - Cuda 5.0 (min driver 306.23 ), recommended for Kepler class GPUs for an additional performance increase.

    - each executable uses the 32 bit CUDA runtime (cudart32_xx_xx.dll), and CUFFT libraries (cufft32_xx_xx.dll), [Cuda 3.2, 4.2 and 5.0] or cudart.dll and cufft.dll [Cuda 2.2 and 2.3] 

Updated aistubs are now included for Seti@Home v7 work.


Available in the Download Section

Lunatics are pleased to announce the following release:

64bit Linux OpenCL Multibeam r1765 apps for ATI/AMD GPUs

Available for download here: Linux (Individual)

Please, read OpenCL and other README files that each package contains.
These give instructions how to use these applications and some hints what to configure how.
Especially notes about which driver version works and which fails could be helpful before starting.

As usual, the creation of new release packages was team work of our Lunatics crew (in nicks alphabetical order):
Claggy, Josef W. Segur, Mike, Raistmer, Richard Haselgrove, Urs Echternacht.

Optimized AstroPulse_v6 6.01 for Linux 64 & 32 Bit OS
Updated 26th/27th/29th march 2012 w/ new application AstroPulse v6 6.01, revision 546

Seven Linux OS specific editions available now at Lunatics AstroPulse for Linux Public Downloads area

Hi Everyone,
A new version of a SETI@Home AstroPulse optimized application for Linux has been released.

This release offers significantly improved performance for SSE, SSE2, SSE3/PNI & AVX capable computers running 64 and 32 Bit distributions of Linux.
Here you can find a list containing all the following release builds:

Linux 64 Bit Science App:

A Linux 64 Bit AVX Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 64 bit Linux that have at least AVX capability.

A Linux 64 Bit SSE3/PNI Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 64 bit Linux that have SSE3 (listed as PNI in /proc/cpuinfo) capability.

A Linux 64 Bit SSE2 Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 64 bit Linux that have SSE2 capability.

Linux 32 Bit Science App:

A Linux 32 Bit SSE Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 32 bit Linux that have SSE capability.

A Linux 32 Bit SSE2 Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 32 bit Linux that have SSE2 capability.

A Linux 32 Bit SSE3/PNI Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 32 bit Linux that have SSE3 (listed as PNI in /proc/cpuinfo) capability.

A Linux 32 Bit AVX Intel/AMD Compatible Science App:
Intended for Intel & AMD CPUs, running 32 bit Linux that have AVX capability.

Linux build source is located HERE


VERY IMPORTANT!!! Note that correct install of these applications requires ADVANCED SKILLS.

A customized app_info.xml file WILL need to be properly created and edited if you also run a version of the S@H multi beam application and or CUDA MB application (see below "issues").  Done incorrectly, you may trash your work unit cache and or not be able to receive work.

There will be some known issues and situations to be aware of:
SO:
- As mentioned above, You WILL need to edit or create an appropriate app_info.xml file if you run any combination of Astropulse, Multi-beam, and CUDA MB applications.
- Ensure you choose a build that your CPU/OS will support.  Ask for help If you need assistance determining this. (less /proc/cpuinfo)
- Ensure Boinc & Seti@Home applications are already properly functioning on your machine, read carefully the documentation readmes and installation instructions.
Known issues:
- There is no support for CPUs below SSE capability
- Borderline OC'ers be aware that you may need to back off to maintain stability, the increased throughput of this application will stress all system components more.
- Non overclockers make sure you have a proper cooling and a clean case.
- As always, use these apps AT YOUR OWN RISK.

And finally of course :
Thanks to Urs Echternacht for his Linux port of r546 by Raistmer, Josef W. Segur & JasonG !!!

Regards,
The Lunatics Team

09 Feb 2012 - Updated Milkyway apps

I have updated the packages for Milkyway as Matt has released new apps for all platforms.


Available in the Download section

Linux x64 build of Cuda Multibeam x41g
Available now in the Download Section


This build is directly from the X-branch, so changes from other prior Linux builds directly reflect current development efforts.  This is an ongoing effort to gradually bring Linux support into greater focus in 2012.

Baseline Cuda X-branch features include:
- Tightened Validation characteristic against CPU builds (accuracy)
- Rarer '-12' triplet related errors
- Fault tolerant behaviour
- 'V7-readiness'
- Linux build uses identical application code to the Windows build (Only differences are OS/Driver/Library related)

Please see the readme for full release notes. READ THEM before you install.

Use at your own risk - 'your mileage may vary'

Thanks go to Aaron Haviland for the port & polish going into X branch for Linux, and it should mean that Cuda build Linux support can continue to develop as further refinements are introduced into the main codebase.  Planned future upgrades currently include improvements to pulsefinding (VLAR behaviour) and removal of the prevalent remaining triplet related '-12' limitations.

Thanks,
Jason G

Extra note, to ALL users:
With gradually expanding Linux development, and experience gleaned from Windows development in recent years, User feedback has played a pivotal role in refinement in all areas.  Along those lines User suggestions (Thanks Sunu!) have prompted that Linux development will require 'opening up' Lunatics site some.  While there are immediate (technical) obstacles to doing so, the needs of both Linux developers & users are under detailed consideration at this time, along with planned modernisation of other platform information & support mechanisms.  For the time being, while these changes are under careful planning and implementation, if you have feedback or need help, & are not a registered user here, please create a thread on Seti@Home's Number Crunching forum.   Requests for registration here will continue to be considered on a case by case basis, and Development/PreRelease status offered only at the discretion of the developers in those areas.
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