[HAIFUX Lecture] OpenCL Overview - Ofer Rosenberg
Tomorrow, May 25th at 18:30, Haifux will gather to hear Ofer Rosenberg talking about OpenCL Overview Abstract OpenCL is the first Cross-Architecture, Cross-OS, open standard for parallel computing on heterogeneous systems. It targets GPU's, CPU's, and other processing devices (like DSP's and Accelerators), providing a uniform programming model of the system. OpenCL is designed to support a wide range of usages, from GPGPU GFX usages (like Physics) to High Performance Computing. This introduction will present OpenCL Programming Model (platform, memory, compilation, etc.) & the OpenCL C Language (an extension of ANSI C). = We meet in Taub building, room 6. For instructions see: http://www.haifux.org/where.html Attendance is free, and you are all invited! == Future lectures: 1/6/09 Compiling Effectively for Cell with GCC: Revital Eres 15/6/09 Arduino - Open Source Hardware and a Viewport to Micro Manufacturing: Amy Chayun 29/6/09 KSM and the art of memory mangement: Izik Eidus 27/7/09 How Time Flies: Jiffies, Hi-Res Timers and the Tickless Kernel: Gilad Ben-Yossef 17/8/2009 mesh networking; kernel, netlink and transport layer sockets: Rami Rosen == We are always interested in hearing your talks and ideas. If you wish to give a talk, hold a discussion, or just plan some event haifux might be interested in, please contact us at webmas...@haifux.org. -- Orr Dunkelman, orr.dunkel...@gmail.com "a scientific man ought to have no wishes, no affections, -- a mere heart of stone" - Charles Darwin. GPG fingerprint: C2D5 C6D6 9A24 9A95 C5B3 2023 6CAB 4A7C B73F D0AA (This key will never sign Emails, only other PGP keys. The key corresponds to o...@vipe.technion.ac.il) ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: ot: israeli sip providers ?
On May 20, 2009, at 5:13 PM, sammy ominsky wrote: Thanks for the plug, but I don't think we're what he would consider "cheap". Unlimited calling to the US and Israel would be $31/month, with a DID in either the US or Israel (077 or 072). That's fine for a landline replacement, or if he's staying abroad, but for occasional use from a wifi phone, it's more than I'd want to pay. Just to follow up my previous reply, I was nosing around the Skype site to see if they added incoming Israeli numbers. They have not, but they changed their prices. Their "world" package, which used to include a free US (or other choice, but not Israel) is E10.29 including VAT but it no longer includes an incoming number. Incoming numbers are E17.25 for 3 months, but you get a 50% discount with a subscription. So that's E13.17 or $18.44 a month, assuming that they do charge VAT. Back when it was E5 a month including an incoming number, it was worth getting if you had a family member visiting a country. You get it for a month, and then cancel when they got back. I expect a lot of people did exactly that, which is why they raised the price and made it a 3 month minimum if you want an incoming number. Geoff. -- geoffrey mendelson N3OWJ/4X1GM Jerusalem Israel geoffreymendel...@gmail.com ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Changing Xserver driver from vesa to openchrome gives ICE I/O error
Hi List, and Hetz I have Ubuntu 8.04 system on VIA motherboard that I installed with debootstrap and addes XFCE afterwards. The X windows works only with vesa driver, I have a similar system where Ubuntu 8.04 is functioning with GNOME on the same hardware. So I copied xorg.conf from the running system to target and X Xindows complains with an error : libxfcegui4-WARNING **: ICE I/O Error Then I switched back openchrome driver to vesa driver X window resume to work. Please advise ??? Lev ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Desktop search tools for Linux
On Sun, 24 May 2009 02:01:43 Omer Zak wrote:
>
> What search tool would you recommend for use today?
>
> My tradeoffs:
> - Ability to retrieve all results of a search, rather than say the 100
> most recent ones.
> - Plenty of hard disk space, so it need not be economized.
> - After initial indexing, the daemon (or whatever) for handling new
> material should not load the PC too much.
What's wrong with `locate' (beside it is not being updated during the
day ?). You can wrap it any way you want, it has regular expression
search, and it is fast. I use it both in work (over 3.5M files in 69K
directories) and at home (~900K files) and it works fine.
For example, here is the function I use to search my home media:
lct ()
{
RSRC=`echo "$@" | tr " " "."`;
echo "locate -i -b -r '$RSRC'";
locate -i -b -r "$RSRC" | grep -E "(/media/[msf][oui][vbl])|(/ehud/tmp)"
}
The above can be written without the extended grep:
lct ()
{
RSRC=`echo "$@" | tr " " "."`;
echo "locate -i '$RSRC'";
locate -i --regex "((/media/[msf][oui][vbl])|(/ehud/tmp)).*${RSRC}[^/]*$"
}
Ehud.
--
@@ @@@ @@ @@ Ehud Karni אהוד קרני
@@ @ @@ @ Senior System Support תמיכה במערכות מחשב
@@ @@ @ @@Mivtach - Simon מבטח - סימון
@@ @@ @@ Insurance agencies סוכנויות לבטוח
Better Safe Than SorryTel: 03-7966-561 :טל Fax: 03-7966-667 :פקס
http://www.mvs.co.il mailto:e...@unix.mvs.co.il :דו"אל
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Re: Desktop search tools for Linux
On Sunday 24 May 2009 14:55:43 Ehud Karni wrote: > On Sun, 24 May 2009 02:01:43 Omer Zak wrote: > > What search tool would you recommend for use today? > > > > My tradeoffs: > > - Ability to retrieve all results of a search, rather than say the 100 > > most recent ones. > > - Plenty of hard disk space, so it need not be economized. > > - After initial indexing, the daemon (or whatever) for handling new > > material should not load the PC too much. > > What's wrong with `locate' (beside it is not being updated during the > day ?). You can wrap it any way you want, it has regular expression > search, and it is fast. I use it both in work (over 3.5M files in 69K > directories) and at home (~900K files) and it works fine. A few problems with locate: 1. It doesn't do full-text search, and just searches according to the filename. You can perform text search on its results using "xargs grep", "xargs ack" or a similar tool, but this is slower than indexing. And if you don't know the filename - you'll need to search through a lot of files. 2. It doesn't handle compressed or otherwise encoded filenames properly. It isn't content-type sensitive. -- Beagle and its friends are better in those regards. I should note that I'm not using Beagle or whatever, because I didn't really find a need for them, and because someone told me he once used a similar program for MS-Windows and as a result became disorganised and could not find his files afterwards. Regards, Shlomi Fish -- - Shlomi Fish http://www.shlomifish.org/ Understand what Open Source is - http://xrl.us/bjn82 God gave us two eyes and ten fingers so we will type five times as much as we read. ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Changing Xserver driver from vesa to openchrome gives ICE I/O error
Try this, it solved my issues with via motherboard. https://launchpad.net/~ubuntu-x-swat/+archive/x-updates > - Original Message - > Subject: Changing Xserver driver from vesa to openchrome gives ICE I/O error > From: Lev Olshvang > To: "linux-il" ,"Hetz Ben Hamo" > Date: 24-05-2009 14:06 > > > Hi List, and Hetz > > > I have Ubuntu 8.04 system on VIA motherboard that I installed with > debootstrap and addes XFCE afterwards. > > The X windows works only with vesa driver, I have a similar system > where Ubuntu 8.04 is functioning with GNOME on the same hardware. So I > copied xorg.conf from the running system to target and X Xindows > complains with an error : > > libxfcegui4-WARNING **: ICE I/O Error > > > Then I switched back openchrome driver to vesa driver X window resume > to work. > > > Please advise ??? > > Lev > > > ___ > Linux-il mailing list > Linux-il@cs.huji.ac.il > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Changing Xserver driver from vesa to openchrome gives ICE I/O error
Thank you Meir, This exact link is for for Ubuntu >=8.10, although I can find stuff for Ubuntu Hardy Meanwhile I found what may be a caause fro problem : The output of xrandr utility shows that with VESA driver the display set to 1200x768 ( it max it can) but with openchrome driver it is set above its limits , smthing like 2000 x 1000 ( I don't remember exact numbers, but >2000 ) So the question - how to set up resolution in xorg or perhaps in .Xresources ?? And As a consequence, I see a blank screen Meir Michanie wrote: Try this, it solved my issues with via motherboard. https://launchpad.net/~ubuntu-x-swat/+archive/x-updates - Original Message - Subject: Changing Xserver driver from vesa to openchrome gives ICE I/O error From: Lev Olshvang To: "linux-il" ,"Hetz Ben Hamo" Date: 24-05-2009 14:06 Hi List, and Hetz I have Ubuntu 8.04 system on VIA motherboard that I installed with debootstrap and addes XFCE afterwards. The X windows works only with vesa driver, I have a similar system where Ubuntu 8.04 is functioning with GNOME on the same hardware. So I copied xorg.conf from the running system to target and X Xindows complains with an error : libxfcegui4-WARNING **: ICE I/O Error Then I switched back openchrome driver to vesa driver X window resume to work. Please advise ??? Lev ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Changing Xserver driver from vesa to openchrome gives ICE I/O error
Lev Olshvang writes: > So the question - how to set up resolution in xorg or perhaps in > .Xresources ?? Well, I don't use Ubuntu, but if Xorg there behaves similarly to, say, Fedora, then Xorg will use xorg.conf if it exists, but by default it probes you HW at runtime and there is no xorg.conf. You can run # Xorg -configure to generate a skeleton xorg.conf file (IIRC, as /root/xorg.conf.new) and edit it to your heart's content. Then test it and put it into /etc/X11/xorg.conf Don't trust me - RTFM yourself. -- Oleg Goldshmidt | p...@goldshmidt.org ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Locate is necessary but not sufficient (was: Re: Desktop search tools for Linux)
On Sun, 2009-05-24 at 14:55 +0300, Ehud Karni wrote: > On Sun, 24 May 2009 02:01:43 Omer Zak wrote: > > > > What search tool would you recommend for use today? > What's wrong with `locate' (beside it is not being updated during the > day ?). You can wrap it any way you want, it has regular expression > search, and it is fast. I use it both in work (over 3.5M files in 69K > directories) and at home (~900K files) and it works fine. The 'locate' command is good for locating files by parts of their names. It needs to be complemented by a tool which looks for stuff inside the files, and which understands their various formats and encodings. For example, how would I search for all E-mail messages and other files, which mention you (Ehud Karni) by name? --- Omer -- "Kosher" Cellphones (cellphones with blocked SMS, video and Internet) are menace to the deaf. They must be outlawed! (See also: http://www.zak.co.il/tddpirate/2006/04/21/the-grave-danger-to-the-deaf-from-kosher-cellphones/) My own blog is at http://www.zak.co.il/tddpirate/ My opinions, as expressed in this E-mail message, are mine alone. They do not represent the official policy of any organization with which I may be affiliated in any way. WARNING TO SPAMMERS: at http://www.zak.co.il/spamwarning.html ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Locate is necessary but not sufficient (was: Re: Desktop search tools for Linux)
On Sun, May 24, 2009 at 08:52:39PM +0300, Omer Zak wrote: > The 'locate' command is good for locating files by parts of their names. > It needs to be complemented by a tool which looks for stuff inside the > files, and which understands their various formats and encodings. > > For example, how would I search for all E-mail messages and other files, > which mention you (Ehud Karni) by name? If you use maildir: grep. If you use mbox: mboxgrep or grepmail. -- Tzafrir Cohen | tzaf...@jabber.org | VIM is http://tzafrir.org.il || a Mutt's tzaf...@cohens.org.il || best ICQ# 16849754 || friend ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Looking for Linux lecturer
A friend of mine is looking for someone to give three day introductory Linux course to a client in Haifa during the next couple of months. If someone is available, please let David (who's cc'd on this email), or me know. (I thought I could do it, but as I am waiting for answers on a couple of jobs, I can't commit myself at this stage). Regards, Dov ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Desktop search tools for Linux
Perhaps this would suit your needs? http://hyperestraier.sourceforge.net/ It can be configured to look through a large variety of files. I once thought to set it up to improve search in a mediawiki configuration, but I never got around to it. Regards, dov 2009/5/24 Shlomi Fish > On Sunday 24 May 2009 14:55:43 Ehud Karni wrote: > > On Sun, 24 May 2009 02:01:43 Omer Zak wrote: > > > What search tool would you recommend for use today? > > > > > > My tradeoffs: > > > - Ability to retrieve all results of a search, rather than say the 100 > > > most recent ones. > > > - Plenty of hard disk space, so it need not be economized. > > > - After initial indexing, the daemon (or whatever) for handling new > > > material should not load the PC too much. > > > > What's wrong with `locate' (beside it is not being updated during the > > day ?). You can wrap it any way you want, it has regular expression > > search, and it is fast. I use it both in work (over 3.5M files in 69K > > directories) and at home (~900K files) and it works fine. > > A few problems with locate: > > 1. It doesn't do full-text search, and just searches according to the > filename. You can perform text search on its results using "xargs grep", > "xargs ack" or a similar tool, but this is slower than indexing. And if you > don't know the filename - you'll need to search through a lot of files. > > 2. It doesn't handle compressed or otherwise encoded filenames properly. It > isn't content-type sensitive. > > -- > > Beagle and its friends are better in those regards. I should note that I'm > not > using Beagle or whatever, because I didn't really find a need for them, and > because someone told me he once used a similar program for MS-Windows and > as a > result became disorganised and could not find his files afterwards. > > Regards, > >Shlomi Fish > > -- > - > Shlomi Fish http://www.shlomifish.org/ > Understand what Open Source is - http://xrl.us/bjn82 > > God gave us two eyes and ten fingers so we will type five times as much as > we > read. > > > ___ > Linux-il mailing list > Linux-il@cs.huji.ac.il > http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il > ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Desktop search tools for Linux
On Sun, 2009-05-24 at 22:26 +0300, Dov Grobgeld wrote: > Perhaps this would suit your needs? > > http://hyperestraier.sourceforge.net/ > > It can be configured to look through a large variety of files. I once > thought to set it up to improve search in a mediawiki configuration, > but I never got around to it. I found that Debian Lenny has a package for it. Does anyone actually use it? How does it compare to tools like Beagle, Recoll or Strigi? --- Omer -- "Kosher" Cellphones (cellphones with blocked SMS, video and Internet) are menace to the deaf. They must be outlawed! (See also: http://www.zak.co.il/tddpirate/2006/04/21/the-grave-danger-to-the-deaf-from-kosher-cellphones/) My own blog is at http://www.zak.co.il/tddpirate/ My opinions, as expressed in this E-mail message, are mine alone. They do not represent the official policy of any organization with which I may be affiliated in any way. WARNING TO SPAMMERS: at http://www.zak.co.il/spamwarning.html ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
Re: Changing Xserver driver from vesa to openchrome gives ICE I/O error
check the drop down menu: deb http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu hardy main deb-src http://ppa.launchpad.net/ubuntu-x-swat/x-updates/ubuntu hardy main > - Original Message - > Subject: Re: Changing Xserver driver from vesa to openchrome gives ICE I/O error > From: Lev Olshvang > To: "Meir Michanie" > CC: "IGLU List List" ,"Hetz Ben Hamo" > Date: 24-05-2009 19:00 ___ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
