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Intel Core i5 750, Core i7 870 Linux Benchmarks

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  • phoronix
    started a topic Intel Core i5 750, Core i7 870 Linux Benchmarks

    Intel Core i5 750, Core i7 870 Linux Benchmarks

    Phoronix: Intel Core i5 750, Core i7 870 Linux Benchmarks

    Now that we have provided a brief overview of the Intel P55 and how it functions under Linux, our larger area of concentration is looking at the Linux performance of the P55 with the new Core i5 750 and Core i7 870 processors. We have a number of benchmarks in this article along with more information on these Lynnfield processors.

    http://www.phoronix.com/vr.php?view=14174

  • popper
    replied
    whats with the total lack of any x264 tests on most I series benches , we always want x264 and ffmpeg tests and results, ALWAYSI SAY....

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  • murthyna
    replied
    i5-750 all cores enabled - problem resolved

    Finally the issue is resolved. It was caused by, surprisingly by the USB mouse attached to the system. I found disabling USB legacy support in the BIOS allows the system to boot with all cores enabled. However, this deactivates the keyboard as well till the OS is loaded. Changing the mouse did the trick and it works fine. I didn't find any other problem with that particular optical mouse and use it with my other older systems having Ubuntu and Windows with no problem.

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  • ad_267
    replied
    Originally posted by StringCheesian View Post
    I'm pretty sure you would not need a BIOS upgrade. The articles made it sound like Michael was given a motherboard with early beta BIOS whereas motherboards you can buy now are shipping with fixed BIOS.
    Ah ok, thanks for explaining that. I also just read the review of the ECS Elitegroup P55H-A motherboard and there weren't any problems with the i7 except for no LM_sensors support, so it looks like I should be fine with an i5. I'll be getting all the parts on Monday hopefully, so fingers crossed it will all work well.

    Leave a comment:


  • StringCheesian
    replied
    Originally posted by ad_267 View Post
    Hmm I was looking at buying an i5, I'm not sure if that's a good idea now. From the "Another Look At Intel's Lynnfield Linux Performance" article, it looks like BIOS upgrades may solve some problems. I'm looking at getting a Gigabyte motherboard, what are people's opinion on them?
    I'm pretty sure you would not need a BIOS upgrade. The articles made it sound like Michael was given a motherboard with early beta BIOS whereas motherboards you can buy now are shipping with fixed BIOS.

    Here's what I'm talking about:
    Originally posted by [url=http://www.phoronix.com/scan.php?page=article&item=intel_lynnfield_add&num =1]Another Look At Intel's Lynnfield Linux Performance[/url]
    We will be running our own tests using a newer BIOS for the Intel P55 motherboard shortly. With these Intel-provided results, they are using a newer, shipping BIOS and not an older BIOS provided to the press.
    Last edited by StringCheesian; 11-11-2009, 04:23 AM.

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  • ad_267
    replied
    Hmm I was looking at buying an i5, I'm not sure if that's a good idea now. From the "Another Look At Intel's Lynnfield Linux Performance" article, it looks like BIOS upgrades may solve some problems. I'm looking at getting a Gigabyte motherboard, what are people's opinion on them?

    Leave a comment:


  • murthyna
    replied
    Thanks, I have updated the BIOS to the latest ver. Still no luck, everything remains the same. Anything else to be checked?

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  • Kano
    replied
    The first thing you do with a new board is updateing the BIOS

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  • murthyna
    replied
    more than one core n/w on i5-750 with Ubuntu

    I have got a DP55WB board with i5 750 processor. It doesn't boot Ubuntu 9.10 amd64 with all the cores enabled. It works only with one core enabled in the BIOS. However, it works fine with Windows 7 with all the cores enabled.

    Was there something special done to enable all the cores in the performance tests of the review?

    Leave a comment:


  • murthyna
    replied
    P55 with i5 750 not working with Ubuntu 9.10 with all cores enabled

    Originally posted by phoronix View Post
    Phoronix: Intel Core i5 750, Core i7 870 Linux Benchmarks

    Now that we have provided a brief overview of the Intel P55 and how it functions under Linux, our larger area of concentration is looking at the Linux performance of the P55 with the new Core i5 750 and Core i7 870 processors. We have a number of benchmarks in this article along with more information on these Lynnfield processors.

    http://www.phoronix.com/vr.php?view=14174
    I have gone through the review and it gives a good comparison. I have got a new board DP55WB with i5 750. However I could not get it to work with all cores enabled for Ubuntu 9.10 amd 64. It works only with one core enabled in the BIOS. However, the performance indicated in the review does not look like a single core's performance. Was something special done to make it work with all the cores enabled?

    BTW, my m/c works fine with Windows 7 RC with all the cores enabled, so that rules out any h/w, board problems.

    Leave a comment:

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