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  • Is Infiniband going to get squeezed by iWARP and external QPI?

    - by andy.grover
    The Inquirer certainly thinks so.However, I'm not so sure it makes sense to compare Infiniband to an as-yet-unannounced optical external QPI. QPI is currently a processor interconnect. CPUs, RAM, and devices connected by it are conceptually part of the same machine -- they run a single OS, for example. They are both "networks" or "fabrics" but they have very different design trade-offs.Another widely-used bus in the system is closer to Infiniband than QPI -- PCI Express. Isn't it more likely that PCIe could take on IB? There are companies already who have solutions that use external PCI Express for cluster interconnect, but these have not gained significant market share. Why would QPI, a technology whose sweet spot is even further from Infiniband's than PCIe, be able to challenge Infiniband? It's hard to speculate without much information, but right now it doesn't seem likely to me.The other prediction made in the article is that Intel's 10GbE iWARP card could squeeze IB on the low end, due to its greater compatibility and lower cost.It's definitely never a good idea to bet against Ethernet when it comes to mass-market, commodity networking. Ethernet will win. 10GbE will win. But, there are now two competing ways to implement the low-latency RDMA Verbs interface on top of Ethernet. iWARP is essentially RDMA over TCP/IP over Ethernet. The new alternative is IBoE (Infiniband over Ethernet, aka RoCEE, aka "Rocky"). This encapsulates the IB packet protocol directly in the Ethernet frame. It loses the layer 3 routability of iWARP, but better maintains software compatibility with existing apps that use IB, and is simpler to implement in both software and hardware. iWARP has a substantial head start, but I believe that IBoE silicon will eventually be cheaper, and more likely to be implemented in commodity Ethernet hardware.I think IBoE is going to take low-end market share from traditional IB, but I think this is a situation IB hardware vendors have no problem accepting. Commoditized IBoE NICs invite greater use of RDMA features, and when higher performance is needed, customers can upgrade to "real" IB, maintaining IB's justification for higher prices. (IB max interconnect speeds have historically been 2-4x higher than Ethernet, and I don't see that changing.)(ObDisclosure: My current employer now sells IB hardware. I previously also worked at Intel. My opinions are my own, duh.)

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  • Unable to install ubuntu 12.04 beta 2 inside windows 7

    - by chetan
    When I install ubuntu 12.04 beta 2 using wubi , first it extracts the files and then asks to reboot to complete the installation. But when I reboot the machine the installation hangs and there is a message "panic occurred, switching to text console " Machine Specification Studio XPS 13 (1340) Laptop: Intel Core 2 Duo P8600 (3MB cache/2.4GHz/1066Mhz FSB) Chipset : NVIDIA® MCP79MX Please contact at [email protected] if any more information needed .

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  • Problem with RecordMyDesktop program

    - by Saeid87
    I am trying to record some tutorials using RecordMyDesktop application. The problem is the video becomes jagged and unusable as you can see from the screenshot I have taken while playing a saved video. I don't know what can be the problem, but I guess it has something to do with my graphics driver. My laptop is using Intel HD 3000 series and I couldn't find any update for it. If you know what might be the problem and how to solve it I will really appreciate it!

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  • What are the advantages of mainframes?

    - by Scott Weinstein
    The downsides of Mainframes is well trodden ground; expensive, legacy, dwindling community, etc. I'm not particularly interested in the downsides, but I am curious if there are any benefits to mainframe hardware/software over the current Intel/AMD & Linux/Windows environment. I've been told that MFs are particularly good (and better than current servers) at heavy I/O loads. Is this still true?

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  • The first MeeGo release

    <b>LWN:</b> "Today is the culmination of a huge effort by the worldwide Nokia and Intel teams to share the MeeGo operating system code with the open source community. This is the latest step in the full merger of Maemo and Moblin..."

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  • But what version is the database now?

    - by BuckWoody
    When you upgrade your system to SQL Server 2008 R2, you’ll know that the instance is at that version by using the standard commands like SELECT @@VERSION or EXEC xp_msver. My system came back with this info when I typed those: Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (Intel X86)   Apr  2 2010 15:53:02   Copyright (c) Microsoft Corporation  Developer Edition on Windows NT 6.0 <X86> (Build 6002: Service Pack 2) (Hypervisor) Index Name Internal_Value Character_Value 1 ProductName NULL Microsoft SQL Server 2 ProductVersion 655410 10.50.1600.1 3 Language 1033 English (United States) 4 Platform NULL NT INTEL X86 5 Comments NULL SQL 6 CompanyName NULL Microsoft Corporation 7 FileDescription NULL SQL Server Windows NT 8 FileVersion NULL 2009.0100.1600.01 ((KJ_RTM).100402-1540 ) 9 InternalName NULL SQLSERVR 10 LegalCopyright NULL Microsoft Corp. All rights reserved. 11 LegalTrademarks NULL Microsoft SQL Server is a registered trademark of Microsoft Corporation. 12 OriginalFilename NULL SQLSERVR.EXE 13 PrivateBuild NULL NULL 14 SpecialBuild 104857601 NULL 15 WindowsVersion 393347078 6.0 (6002) 16 ProcessorCount 1 1 17 ProcessorActiveMask 1 1 18 ProcessorType 586 PROCESSOR_INTEL_PENTIUM 19 PhysicalMemory 2047 2047 (2146934784) 20 Product ID NULL NULL   But a database properties are separate from the Instance. After an upgrade, you always want to make sure that the compatibility options (which have much to do with how NULLs and other objects are treated) is at what you expect. For the most part, as long as the application can handle it, I set my compatibility levels to the latest version. For SQL Server 2008, that was “10.0” or “10”. You can do this with the ALTER DATABASE command or you can just right-click the database and select “Properties” and then “Database Options” in SQL Server Management Studio. To check the database compatibility level, I use this query: SELECT name, cmptlevel FROM sys.sysdatabases When I did that this morning I saw that the databases (all of them) were at 10.0 – not 10.5 like the Instance. That’s expected – we didn’t revise the database format up with the Instance for this particular release. Didn’t want to catch you by surprise on that. While your databases should be at the “proper” level for your situation, you can’t rely on the compatibility level to indicate the Instance level. More info on the ALTER DATABASE command in SQL Server 2008 R2 is here: http://technet.microsoft.com/en-us/library/bb510680(SQL.105).aspx Share this post: email it! | bookmark it! | digg it! | reddit! | kick it! | live it!

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  • Unity won't load with proprietary drivers

    - by Nobita
    First time running Ubuntu 11.04 and getting used to Unity, I decided to install proprietary drivers for my Nvidia graphic card. The output of lspci | grep VGA is: 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: nVidia Corporation Device 0df5 (rev a1) If I activate the driver that is "recommended", next time I try to login in a Unity session it just changes to the classic. How can that be happening? I attach the screenshoot of my proprietary driver screen:

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  • SIMD Extensions for the Database Storage Engine

    - by jchang
    For the last 15 years, Intel and AMD have been progressively adding special purpose extensions to their processor architectures. The extensions mostly pertain to vector operations with Single Instruction, Multiple Data (SIMD) concept. The reasoning was that achieving significant performance improvement over each successive generation for the general purpose elements had become extraordinarily difficult. On the other hand, SIMD performance could be significantly improved with special purpose registers...(read more)

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  • How can I install Ubuntu on a Compaq DC7900?

    - by lemba
    I have an HP Compaq dc7900 Convertible Minitower from 2006: 80GB (3.5”) SATA 3.0GB/s with NCQ and Smart IV Intel Core 2 Duo E8500 I can install Ubuntu on it from a USB stick and everything seems to work fine, but when I finish and reboot the pc, grub will be shown but When I continue I get just a black screen with a blinking cursor I tried Linux Mint and OpenSuse as well but it seems there is something forbidden in the Bios. Installing Windows 8 works fine.

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  • No se que hay que hacer :$ URGENTE!

    - by Meri
    Pues yo llevo muy poco tiempo con ununtu y nose que hay que hacer no se me inicia .. es decir me sale el menu grub ese y le doy al primero iniciar con linux pero me sale una rayita blanca parpadeando y asi horas y no se enciende y tengo que apagarle forzandolo de golpe y lo vuelvo a encender y le doy modo recuperacion y sale muchas cosas y al final not avaliable algo asi y se queda asi rato necesito ayuda.Intente muchas cosas de internet pero ninguna funciono si os sirve de informacion tengo un Acer Aspire 5630 tiene intel.

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  • USB 3.0 controller is not recognized by Ubuntu 12.04

    - by BlueWanderer
    I have a Thinkpad E430 notebook, and the intel's USB 3.0 controller can not be recognized by Ubuntu 12.04. The LED on my USB-HDD is white instead of blue (And in Windows 7, it is blue when connected to USB 3.0 port, and is white when connected to 2.0). And the transfer speed is around 25MB/s instead of 65MB/s in Windows 7. I'm not familiar with Linux systems, so I've no clue about what's going wrong. I've searched the web, but got no solution.

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  • Number of processes named 'doodle'

    - by Indian
    I have ben using 12.10 for a few days. Just upgraded it from 12.04. This comp of mine, which has a 4GB RAM and 64 bit intel processor, just goes slow randomly. When I press Ctrl+Alt+F6 and login through a command prompt, I see a number of processes using - ps -A I get many instances of a process named 'doodle' running. So many that I have to 'pkill' them by hand. Any idea why this is happening?

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  • Ubuntu 12.04 is slow and unresponsive

    - by Bharat
    My laptop works perfectly fast with Windows 7 but is very slow in Ubuntu 12.04.When I try to open the dash it takes 1-2 sec.even the normal right click on the desktop for the dropdown options is taking time.I installed preload but it made a very slight change. Everything is up to date. My laptop is : Lenovo ideapad Z560 500 GB hard drive (dual booting win7 and Ubuntu 12.04) 3 GB RAM Intel® Core™ i3 CPU M 370 @ 2.40GHz × 4 processor Nvidia GeForce 310M/PCIe/SSE2 Ubuntu 32 bit any help?

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  • Lenovo W520 back usb port not working

    - by jaudette
    The usb port in the back of my laptop (on the right side when viewed from using perspective) is not working. Does anybody know if we can get this port working, and what the port number is. Here is my lsusb, if it can help. % lsusb Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 003 Device 002: ID 046d:c01e Logitech, Inc. MX518 Optical Mouse Bus 003 Device 003: ID 046d:c318 Logitech, Inc. Illuminated Keyboard Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 0765:5001 X-Rite, Inc. Huey PRO Colorimeter Bus 001 Device 004: ID 147e:2016 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor Bus 001 Device 005: ID 0a5c:217f Broadcom Corp. Bluetooth Controller Bus 001 Device 006: ID 04f2:b217 Chicony Electronics Co., Ltd Lenovo Integrated Camera (0.3MP) Bus 002 Device 003: ID 17ef:1003 Lenovo Integrated Smart Card Reader I am running 12.10, upgraded from 12.04 but it did not work either in 12.04. The two usb ports on the left work just fine. EDIT: I just updated my bios from 1.32 to 1.39, no change in behaviour. The port does not even power up my devices. EDIT 2: Booted up windows, and the port is working. I went into the device manager and looked at the USB settings. I found my USB drive on Port 2, Hub 3, i just don't know how that relates to the Bus and Device numbers of linux. In windows, Smart card reader was on USB hub located at port 1 hub 2, fingerprint and bluetooth were on USB hub located at port 1 hub 1 EDIT 3: Went and looked at this SO post. Tried to look at my kern.log file with tail -f /var/log/kern.log. Got some activity when plugging/removing devices in other ports, but nothing happens when connecting a device into that port. It really looks disabled. Looked at my usb1-4 sys/bus/usb/devices/usb1/power/control and they are all set on auto. As expected, usb4 have version 3.00, the others (usb1-usb3) are 2.00.

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  • 12.04, and 13.10 slower than xp on Lenovo thinkpad R61e. Any bloatware to remove?

    - by Alex
    My mom's Laptop is running really slow with 12.04 and 13.10 right after installation. ubuntu claims it should run nice and smoothly for the hardware thats on it. Lenovo ThinkPad R61e: CPU - Pentium Dual Core t2370 1.73ghz x 2 Ram - 1GB DDR2 667mhz GPU - intel 965gm x86/mmx/sse2 HDD - 80gb sata i tried hardware tests and they fail right that the very beginning of the testing. it does the same for bootable hardware tests (on a cd or usb) Is there any bloatware that can be removed that common windows users would never use?

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  • Library For Opengl 1.4?

    - by Robinson Joaquin
    My netbook only supports openGL version 1.4, my GPU is intel gma 3150, so for you what is the best library/tools to use or somewhat great move to make/advice, there are no wrong answers, (I am trying to create a game) PS: I already check the net for resources but, opengl (redbook) 4th edition is scarce (and redbook for v1.1 is already deprecated and is very OLD than what I'm looking for), besides I don't have money to buy a new laptop or a opengl book from online shop because international delivery is very expensive, I'm from outside US.

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  • Steam doesnt launch , ubuntu 12.10

    - by Star Diamond
    I installed steam for ubuntu , so I tried to launch it and i get this : ~$ steam Installing breakpad exception handler for appid(steam)/version(1352224866_client) ~$ lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 12.10 Release: 12.10 Codename: quantal ~$ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Whistler XT [AMD Radeon HD 6700M Series] (rev ff) What is the problem and how to fix it? thank you

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  • Software emulated OpenGL with higher version than my graphics card supports

    - by leemes
    I have an Intel GMA 950 chipset in my netbook. I want to learn how to write OpenGL shader programs with this fantastic tutorial and therefore need OpenGL 3.3. Sadly, my graphics card only supports OpenGL 1.4. I think that MESA can emulate OpenGL in software, so I'm wondering if it can emulate OpenGL 3.3 without any hardware accelleration (performance is very much no problem, since this is only for learning and testing puroses). Is there any possibility to do this?

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  • Suspend and resume not working on an HP dv7

    - by Emiel
    this one is driving me nuts. My HP dv7 laptop isn't resuming from suspend and hybernate. On suspend - resume it leaves me with a black screen. On hibernate it succesfully loads the images and then it hangs.... I searched through internet and tried serveral things, but nothing seems to work for this HP dv7 on Ubuntu 12.04. With 11.10 it didn't work either. Intel® Core™ i5 CPU M 450 @ 2.40GHz × 4 VESA: Intel®Ironlake Mobile Graphics 64-bit

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  • How do I get my Lenovo T61 to connect to a wireless network?

    - by Ross Fleming
    I have a Lenovo Thinkpad T61 and the wireless works just fine so I installed Ubuntu straight away only to find that the wireless will not connect, it will see the networks but just not connect. Has anyone managed to solve this all the forums seem to relate to Ubuntu 9.04 and before. Edit:Sorry about that, I didn't realise that there were 2 models mine is the Intel Corporation PRO/Wireless 4965 AG or AGN [Kedron] Network Connection. Any help is much appreciated.

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  • SIMD Extensions for the Database Storage Engine

    - by jchang
    For the last 15 years, Intel and AMD have been progressively adding special purpose extensions to their processor architectures. The extensions mostly pertain to vector operations with Single Instruction, Multiple Data (SIMD) concept. The motivation was that achieving significant performance improvement over each successive generation for the general purpose elements had become extraordinarily difficult. On the other hand, SIMD performance could be significantly improved with special purpose registers...(read more)

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