System bottleneck issue?

Discussion in 'Other video questions' started by wantondst, Feb 21, 2009.

  1. wantondst

    wantondst Member

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    Whenever I encode video my CPU never comes close to hitting 100% usage. As a matter of fact, the only time the CPU hits 100% is with the intel burn-in test and with (some, not all) benchmarks. So with encoding video, logic would suggest it should hit 100% (well, prior experience says that.) So this would leave me to believe that there's a bottleneck somewhere in the system (presumably the hard drive.)

    Any thoughts on the issue?

    (System specs)

    Intel Q9550 (OC'd to 3.02ghz)
    Biostar TPower I45
    OCZ Platinum 2x2gb DDR2 @1066mhz
    Samsung 750gb sataII 32mb cache HDD
    ATi Radeon 4870x2
    Antec Quattro 850 watt PSU

    (Also, I've tried a myriad of different programs for encoding. I originally thought it might be a multi-threading issue, but pretty much every program gives me sub 50% usage.)
     
  2. jony218

    jony218 Guest

    I have the amd 9750 quad and also notice that most video encoding programs won't max out the cpu, some not even going above 25 percent (even when multithreaded)but some do approach the 90's on all 4 cores.. But even at the low cpu use, the quad is always at least twice as fast in encoding my videos when compared to my dual cores.

    I suspect if there is a bottleneck it would be "program" related, the software isn't optimize properly to get all the use out of the cpu. For instance Winavi video converter (1 core 45% 3 cores 25%) fairuse wizard (all 4 cores 97 percent). Also the encoder you use can make a difference, the h264 encoder is optomize for multithreading and is what I use on fairuse wizard.
     
  3. wantondst

    wantondst Member

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    ahh nice to know

    My previous setup was an Athlon64, so I'm still kind of unfamiliar with multicore CPUs. Interestingly enough nerovision makes the most of my CPU by getting all cores around 70%. Chances are it's not utilizing all 70% for encoding and is probably just bloated software. Perhaps I'll give fairuse a try and see maybe if I can get the most out of my system.

    It's nice to know processors have come far enough to where video encoding doesn't make them break a sweat :D
     
  4. ads

    ads Member

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    I have a q9550 and ati 4870 512mb and when I encode things its only at 70 percent... It depends on what your doing I have 4 gigs of ram and it seems to like to eat that up instead I end up useping 3.52gis when I encode befor wit a e6600 ram only at 2.6 and cpu 100 percent..
     

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