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Thread: EX58-UD4P -- what is your dpclat? [please post results]




  1. #1
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    Default EX58 series -- what is your dpclat? [please post results]

    hi all this is my first post and i am looking to become a proud gigabyte owner of the EX58-UD4P.
    i must check one thing though first which is,

    what is your results from dpclat on this board? [download tool here]
    please post screenshot

    i am doing some audio work and its important to find a board with low dpclat and no spikes. i heard some issues about gigabyte latencies on the 45 series but i think the 58's could be just super maybe.

    i'm also curious what your dpclat looks like if you don't just leave it totally idle while you are taking the readings, but also if you are opening and closing programs and doing weird stuff, and let dpclat run in the background, then take the screenshot, do you get any spikes due to activity and use of the computer.

    quadruple thanks, zol
    Last edited by Zol; 05-24-2009 at 06:15 AM.

  2. #2
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    Sorry I'm not posting results on a X58, but this may give you an idea of the likely results on a Ultra Durable x board. It may also encorage others to post some info for you.

    First picture is at idle, after a couple of minutes.

    Second picture is using Prime 95 to load the CPU 100% (not an easy test) AND playing an MP3 at the same time. You can see CPU and RAM usage in the shot. Prime was set to use 3200MB.

    Third picture is after a 5 minute session on Fear 2: Project Origin. Not the most system intensive game, but it shows a good usage of CPU, RAM sound and video.

    Note it's the same instance of the test program running, so the last picture accurately represents peak latency. I'm not sure how much (in micro seconds) is considered good, but it looks nice to my un trained eye.

    I assume you'll be using a nice shiney, expensivo sound card and capture equipment, so if you'd like a shot of the idle and prime load with on board sound disabled let me know.

    Can't log to image shack, so photos are over 3 posts. Sorry for that.
    Coolermaster CM 690 II advance Case
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    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
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    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
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  3. #3
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    Shot two:
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  4. #4
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    And shot three:
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  5. #5
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    Quote Originally Posted by Psycho101 View Post
    Sorry I'm not posting results on a X58, but this may give you an idea of the likely results on a Ultra Durable x board.
    what board is that sir?
    is that an EP45 board?

    those latencies are quite high and would not be usable for 0.75 ms audio work (ie, RME Hammerfall with buffer size 32)
    there's very few desktop boards I've even seen run that high (in the 100's? .. that's how laptops are)

    did you install a wireless card or something similar? Are you running dual SLI?

    it says "Test Interval 1000" .. Test Interval=1000 means it's running in high latency ACPI mode.
    test Interval=976 means it's low latency ACPI mode.

    it may be possible it switches into that mode when you changed something.

    i heard that the Gigabyte 45 series had latency problems (latencies of 100 with spikes of up to 250) and that the Gigabyte EX58 series doesn't (latency of 5 to 10)

    here's a picture from an audio forum of how the Gigabyte EX58 series is supposed to perform: (screenshot of EX58-UD4P)


    i just wanted to verify that all EX58's are like that.
    Last edited by Zol; 05-24-2009 at 05:41 AM.

  6. #6
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    It is an EP45-UD3P.

    There's no wi-fi card, and it's a single GFX card config at the moment.

    I thought it was looking good for my board, until you posted that picture. Shows what I know about high end audio work.

    Not sure why sample rate is 1000 micro seconds. I ran the utility with no command line switches etc, so I didn't intentionally change anything as far as I know. I'm not sure how to verify my ACPI status.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

  7. #7
    Join Date
    May 2009
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    you can't change the 1000us .vs. 976us, dpclat just reports that based on using a multiplier of your boards lowest timer resolution that comes closest to 1000us.
    for some reason, boards with 976us are always low latency, boards with 1000us are always high. It's kind of a weird thing.
    most laptops are 1000us. Desktop boards are usually 976us but there are exceptions.


    EDIT:
    Don't get worried about dpclat's of 100-200 unless you are trying to do ultralow latency audio production with 64 channels playback.
    your board is great, there's nothing wrong here. 100 is "too high" for me, but I'm just a freak about this stuff.
    As you can see your board is in the green range and it's impossible to notice any difference at all for gaming etc.
    Last edited by Zol; 05-24-2009 at 06:01 AM.

  8. #8
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    i heard, if you are running any Gigabyte power saver drivers, it can easily multiply your DPCLAT latencies by 10

  9. #9
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    I'm still worrying about EX58-series DpcLat's before I can buy my board... someone please post!

  10. #10
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    Default Re: EX58-UD4P -- what is your dpclat? [please post results]

    I understand your desire for ultra low latencies. A similar analogy would be certain TFT panel latencies. Some contain image processing capabilities that make some monitors awesome for photo editing, because the colour reproduction, and attempt to increase response time. This effects gaming negatively. They introduce input lag in varying severity, which makes the whole experience unpleasant.

    If anyone is online with this board at the moment, please run the program and post results if you can. It only takes a second or two. If you can post pictures of your i7 overclocks, then surely you have the time to help somebody out? I'm sure Zol would greatly appreciate it.
    Coolermaster CM 690 II advance Case
    Corsair HX750 (CWT, 91%(80+ Gold rated @230V) single 62A 12V rail
    P55A-UD4 v2.0 @ F14
    Core i5 760 @ 20 x 201, 4.02GHz
    TRUE Black with a single Noctua NF-P12 pumping out 55 CFM @ 19db .
    2 x 2GB Mushkin Ridgeback (996902), @ 7-10-8-27, 2010-DDR, 1.66v
    2 x Gigabyte GTX 460 1024MB in SLI (Pre OC'd to 715MHz core and 1800MHz VRAM) @ 850 Core / 4100 Mem.
    Intel X25-M Boot Drive (OS and Programs) 200MB/s Read & 90MB/s Write
    Corsair X32 200MB/s Read & 100MB/s Write
    WD Caviar Blue 640GB C (Steam, Games, Storage, Temp Files & Folders, etc)
    Samsung F3 500GB Backup/Images
    Noctua 1300RPM 19dB case fan (rear extraction)
    3 x 140 MM Coolermaster LED fans (one front intake, one top extraction, one side intake)
    Dell Ultra Sharp 2209WAf E-IPS @ 1680x1050

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