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Thread: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.




  1. #1
    coexr is offline Junior Member
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    Question ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    MY RIG:
    ASRock 990FX Extreme9 - BIOS Version 1.10
    AMD FX-8320 Vishera 3.5GHz
    Crucial Ballistix Sport 16GB
    MSI R7770-PMD1GD5 Graphics Card
    Crucial M4 256GB SSD
    Windows 7 x64 SP1 all latest updates

    I’ve found that my system loses nearly half its CPU performance when it resumes from sleep mode.

    I’ve confirmed this by running 7Zip and WinRAR’s cpu benchmark utility. See screenshot.

    If I reboot my PC, and immediately run a benchmark, my scores appear to be sufficient. However, if my PC goes into sleep mode, after waking from sleep mode, my benchmarks drop by half.

    Things I tried:

    1. Disabled “Check Ready Bit” and “ACPI HPET table” in BIOS. Disabling these setting didn’t resolve the problem.
    2. Disable Hibernation in Windows 7 using the “powercfg -h off” command. Didn’t help.
    3. If I disable “Suspend to RAM” in the BIOS, then my system wont enter sleep mode.

    Anyone with some insight into whether this may be a problem, or not, please post back.

    Thanks in advance.

    ASRock 990FX Extreme9 sleep mode causes cpu performance loss.-untitled-1-jpg

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    Last edited by profJim; 03-27-2013 at 09:32 PM. Reason: FORMATTING CODE REMOVED FROM POST

  2. #2
    parsec's Avatar
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    First, your 7-ZIP benchmarks show two passes for the first one, and one pass on the second one, if that matters.

    But your benchmarks show significant differences. IMO, your focus should be on the CPU, not on the Windows sleep state settings. FMI (For My Information), what is the purpose of, Disabled “Check Ready Bit” and “ACPI HPET table” settings, what was that intended to do?

    Are you using anything to monitor CPU performance during your benchmarks? Such as core speed, if all core and thread operation is the same, before and after Sleep mode. It seems like all the cores are not functioning, and/or not operating at their full speed.

    The free program HWiNFO64 displays each core's clock speed, and the amount of core and thread usage, and is constantly refreshed when it is running. If you don't have another program to do a similar thing, give it a try.

  3. #3
    coexr is offline Junior Member
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    Quote Originally Posted by parsec View Post
    FMI (For My Information), what is the purpose of, Disabled “Check Ready Bit” and “ACPI HPET table” settings, what was that intended to do?
    Just something I tried to see if it affected my cpu performance after coming out of sleep state.

    I tried the utility you linked. Thanks for the suggestion. I posted the results below. It appears my CPU cores operate fine after a reboot, though when my system enters a sleep state, six cores lose significant power upon resuming from sleep state.

    Any suggestion as to what might be causing this after coming out of a sleep state.

    Thanks for any suggestion.
    Attached Images Attached Images ASRock 990FX Extreme9 sleep mode causes cpu performance loss.-bench2-jpg 
    Last edited by profJim; 03-27-2013 at 09:33 PM. Reason: FORMATTING CODE REMOVED FROM POST

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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    Looking from here at "immediately after a reboot' could mean there are programs or actions still being performed for/during the boot process that don't necessarily need re-run while coming out of sleep.

    Instead of "immediately after a reboot' what does HWiNFO64 look like 5-10mins after (re-)booting?

    Looking at your Drives list, and wondering just how many you have, it could be indexing the drives. I could be caused by a lot of things after a (re-)boot.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
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  5. #5
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    I figured this was the case, as usual HWiNFO64 is a great diagnostic tool. Nice work showing the difference.

    The next question is, how is your CPU configured in the BIOS? Default or Auto settings? Do you have any CPU power saving options enabled, such as CoolNQuiet?

    Does your CPU, when operating as shown in the after reboot picture, stay at the 3716MHz speed on all the cores all the time?

    Same question for the after resume from Sleep picture, do the cores stay at those speeds all the time?

    I'm not an expert on AMD CPUs, but in the after resume from Sleep picture, cores 2 through 7 are clearly running at the highest power saving state level (4), which is ~1400MHz on CPU's like yours.

    We need someone like wardog to comment on this, regarding how the CPU multiplier can be set, on a per core basis for example. Why resuming from Sleep would seem to change the multiplier on most of the cores is the question. While that is a BIOS setting, Windows power options can influence core speeds.

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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    Quote Originally Posted by - wardog - View Post
    I could be caused by a lot of things after a (re-)boot.
    Allow me to rephrase.

    It could be the result of a lot of things after a (re-)boot.
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

    #2 - G.Skill RAM Configurator for your boardSamsung Memory for your boardLatest AMD Chipset Drivers/WindowsLatest AMD Graphics Drivers/WindowsLatest Intel Drivers

    #3 - Please use the eXtreme Outer Vision Power Supply Calculator found HERE to determine if it might be your PSU at issue.
    ____Consider your PSU to be the foundation from which all else is built upon. Anything built upon a weak foundation is poorly built.

  7. #7
    coexr is offline Junior Member
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    Quote Originally Posted by - wardog - View Post
    Looking from here at "immediately after a reboot' could mean there are programs or actions still being performed for/during the boot process that don't necessarily need re-run while coming out of sleep.

    Instead of "immediately after a reboot' what does HWiNFO64 look like 5-10mins after (re-)booting?

    Looking at your Drives list, and wondering just how many you have, it could be indexing the drives. I could be caused by a lot of things after a (re-)boot.
    Thanks for the response.

    I have two additional HDD's attached simply used for storage. I have no backup utilites running or installed. I do have Microsoft Security Essentials running as my anti-virus app.

    I posted another screenshot, this time the screenshot was taken 30 minutes after a reboot, and 30 minutes after resuming from a sleep state. The results are exactly the same as my original screenshots.

    I also posted screenshots of my task manager showing the apps in use and services running, if that's any help in determining the problem.

    I'm also linking to a gallery that has several screenshots of my BIOS configuration, if anyone is up to looking it over to see if something set in my BIOS is causing the problem.

    GALLERY LINK: Photo Album - Imgur

    ASRock 990FX Extreme9 sleep mode causes cpu performance loss.-926-bench-jpg

    Quote Originally Posted by parsec View Post
    I figured this was the case, as usual HWiNFO64 is a great diagnostic tool. Nice work showing the difference.

    The next question is, how is your CPU configured in the BIOS? Default or Auto settings? Do you have any CPU power saving options enabled, such as CoolNQuiet?

    Does your CPU, when operating as shown in the after reboot picture, stay at the 3716MHz speed on all the cores all the time?

    Same question for the after resume from Sleep picture, do the cores stay at those speeds all the time?

    I'm not an expert on AMD CPUs, but in the after resume from Sleep picture, cores 2 through 7 are clearly running at the highest power saving state level (4), which is ~1400MHz on CPU's like yours.

    We need someone like wardog to comment on this, regarding how the CPU multiplier can be set, on a per core basis for example. Why resuming from Sleep would seem to change the multiplier on most of the cores is the question. While that is a BIOS setting, Windows power options can influence core speeds.
    CoolnQuiet is disabled.

    I did experiment with the auto-OC feature, but have since turned it back to manual/auto. I posted a link above that has a gallery of screenshots of how I currently have my BIOS configured.

    Thanks again for any help.
    Last edited by profJim; 03-27-2013 at 09:34 PM. Reason: FORMATTING CODE REMOVED FROM POST

  8. #8
    parsec's Avatar
    parsec is offline Senior Member
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    While I don't understand all the interactions of AMD's CPU power saving features, I do see these potentially active:

    AMD Application Power Management (APM), set to Auto.

    Enhanced Halt State (C1E) Enabled.

    Core C6 Mode Enabled.

    I don't understand why any of these options would cause the behavior you see when waking from Sleep, but are worth exploring for answers.

    Are you familiar with the AMD OverDrive program: AMD OverDrive

    AMD Performance Tuning Guide: http://sites.amd.com/us/Documents/AM...ning_Guide.pdf

    You may be able to use it to figure out what is happening, by adjusting the core multipliers in Windows, or verifying BIOS settings are working correctly.

  9. #9
    coexr is offline Junior Member
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    Quote Originally Posted by parsec View Post
    While I don't understand all the interactions of AMD's CPU power saving features, I do see these potentially active:

    AMD Application Power Management (APM)

    Enhanced Halt State (C1E)

    Core C6 Mode

    I don't understand why any of these options would cause the behavior you see when waking from Sleep, but are worth exploring for answers.

    Are you familiar with the AMD OverDrive program: AMD OverDrive

    AMD Performance Tuning Guide: http://sites.amd.com/us/Documents/AM...ning_Guide.pdf

    You may be able to use it to figure out what is happening, by adjusting the core multipliers in Windows, or verifying BIOS settings are working correctly.
    Thanks again for your suggestions.

    I disabled the following in the BIOS:

    AMD Application Power Management (APM), set to Auto

    Enhanced Halt State (C1E) Enabled

    Core C6 Mode Enabled

    unfortunately this did not help.

    I also installed AMD Overdrive. I was able to adjust the cores back to an optimal level, though it appears this would be something I'd have to do eveytime coming out of sleep state. Anyhow, the app did'nt play well with my system. Windows Aero theme disappears when this app is active and adjusted. Might be conflicting with my graphics driver?
    Last edited by profJim; 03-27-2013 at 09:34 PM. Reason: FORMATTING CODE REMOVED FROM POST

  10. #10
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    Default Re: ASRock 990FX Extreme9 sleep mode causes cpu performance loss.

    Quote Originally Posted by coexr View Post
    I was able to adjust the cores back to an optimal level,
    Now it appears we're getting to the guts of this.

    What do you consider "optimal', and maybe more importantly why is "optimal' necessitated there?
    #1 - Please, when seeking help, enter the make and model of ALL parts that your system is comprised of in your Signature, or at least the model #'s in your System Specs, then "Save' it.
    ____If you are overclocking, underclocking, or undervolting any parts, informing us of this and their values would prove beneficial in helping you.

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