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Thread: Mezzmo - 100% CPU transcoding even on Quad Core CPU

  1. #11
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    Quote Originally Posted by paulyz View Post
    I did test with q6600 (quad core 2,4 Gghz), for 1080i looks ok (cpu always 90-100% usage) but for 1080p this cpu is to weak

    I7 - whats mean + 120-150 eur or + 400 eur for hexa core cpu

    Yes, I can think about AMD FX-8150 8 cores cpu ( it's cost like I5), but I don't know, amd at this time looks unreliable for me
    Like I mentioned, I have been running an overclocked AMD Phenom II x4 955 and can real time any BR rip for any of the 1080i quality settings, but cannot do any of the 1080p settings. With that in mind, I've been recommending nothing short of an i5-2500k for anyone that wants to do on the fly 1080p. But curiosity got the best of me so I looked up some PassMark benchmarks. Knowing that there is nothing more important to video encoding than raw CPU speed here's how everything stacked up:

    http://www.cpubenchmark.net/high_end_cpus.html

    AMD Phenom II x4 965 3.4Ghz = 4201
    Intel i5-2500k 3.3Ghz = 6582
    AMD FX-8150 8-core 3.6Ghz = 8236

    Checking prices at NewEgg, the FX-8150 is $30 less than the i5-2500k. Motherboards for AM3+ are also traditionally less expensive than an LGA 1155. I know where I'd spend my money. Stability of AMD as a company really is a non issue because by the time you'd need an upgrade for either CPU, you'd be looking at a next gen motherboard anyway.

  2. #12

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    I did new test with i5-2500@3.3ghz (4 cores), 4gb ram and windows 7 64bit. With 1080i everything looks fine, from beginning I got ~30pfs. 1080p - from beginning ~14pfs and after ~10min already 23fps. I don't know how it works, but how I understand, for computer need more time to cache movie and later everything looks fine.

  3. #13
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    Quote Originally Posted by paulyz View Post
    I did new test with i5-2500@3.3ghz (4 cores), 4gb ram and windows 7 64bit. With 1080i everything looks fine, from beginning I got ~30pfs. 1080p - from beginning ~14pfs and after ~10min already 23fps. I don't know how it works, but how I understand, for computer need more time to cache movie and later everything looks fine.
    A lot of the speed is gonna be due to what's on screen. A lot of fast action with a lot of detail is going to be much slower to transcode than white credits on a black background. I'm mildly surprised that your 2500k couildn't pull it off. Note that neither 14fps or 23fps are going to be adequate for on the fly transcoding. If your CPU can't consistently put up 30fps, then there will be buffering issues. Might be worth your time to overclock that 2500k to 4Ghz. Should be able to get close to that with little or no effort.

  4. #14

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    Quote Originally Posted by smitbret View Post
    A lot of the speed is gonna be due to what's on screen. A lot of fast action with a lot of detail is going to be much slower to transcode than white credits on a black background. I'm mildly surprised that your 2500k couildn't pull it off. Note that neither 14fps or 23fps are going to be adequate for on the fly transcoding. If your CPU can't consistently put up 30fps, then there will be buffering issues. Might be worth your time to overclock that 2500k to 4Ghz. Should be able to get close to that with little or no effort.
    mine was 2500, not K. Computer was clean, no additional programs running.

  5. #15
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    Quote Originally Posted by paulyz View Post
    mine was 2500, not K. Computer was clean, no additional programs running.
    My mistake.

    That being said, for our purposes, these chips are virtually identical except the 2500K has an unlocked multiplier. Depending on your MB, you should still be able to get the 2500 up to 3.8-4Ghz.

    Irregardless, it wouldn't surprise me if a stock i5-2500 would not be able to real-time transcode a BR rip to 1080p. From what I have seen and experienced, I would consider the i5-2500 or Phenom IIx6 to be the minimum CPUs to consider real-time 1080p transcoding of BR rips. With my Phenom II 955, if I start it and then pause the movie for 10 minutes or so (popcorn prep, bathroom, whatever...) I feel pretty good about my chances at smooth playback, especially if I have to pause it again halfway through for a potty break

    Wonder if there'd be much interest in a sticky with a CPU/Mezzmo transcoding results. Depending on the community, it may be useful to get more in depth than just using the Conceiva guidelines and getting surprised to find out my Athlon x4 won't do what I need it ti do.

  6. #16
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    Quote Originally Posted by smitbret View Post
    Wonder if there'd be much interest in a sticky with a CPU/Mezzmo transcoding results.
    You're welcome to start a new thread on real-world CPU & transcoding performance, and if it gets some interest, then I'm happy to sticky it on the forum.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
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  7. #17
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    Another option here might be to convert/rerip the file to a format which doesn't require transcoding. This is why I use the m2ts container for all of my files. I avoid transcoding. It's a one time effort to do the ripping and converting but it has been well worth it. Another option is pre-transcoding but that will take additional disk space, which may or may not be problem.

    My Mezzmo server is an AMD FX-8150 w/8 cores, 16GB of memory and 72GB of RAID 5 storage.

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    Last edited by jbinkley60; 08-12-2012 at 10:08 AM.

  8. #18

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    I did one more test, system I5-3450 MB H77 ram 4gb 1600, hdd WD black, clean win 7 x64

    This system is best of the best of all systems which I tested, I think it's has minimum requirements for real time 1080p transcoding.

    My trial license is go down so I can't do more test. It was very interesting if somebody could make test with Hexa core cpu.

  9. #19
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    Quote Originally Posted by paulyz View Post
    ...My trial license is go down so I can't do more test. It was very interesting if somebody could make test with Hexa core cpu.
    paulyz: Contact us at support [at] conceiva [dot] com and we'll extend your trial so you can complete your CPU system tests.

    Mezzmo Android: Install it on your tablet, smartphone, Android TV or Amazon Fire to browse and stream files from your Mezzmo library to all your devices. Full details at http://www.conceiva.com/products/mez...mo_android.asp
    Mezzmo for Kodi Add-on: Install it into Kodi to stream files from your Mezzmo library directly in Kodi. Full details at http://www.mezzmo.com/wiki/doku.php?...odi_user_guide
    Mezzmo for Roku App: Install it onto your Roku to stream files from your Mezzmo library. Full details at http://www.mezzmo.com/wiki/doku.php?...oku_user_guide
    Wiki: User Guides & Reference Manual at http://www.mezzmo.com/wiki
    Facebook: http://www.facebook.com/Mezzmo.DLNA.Server
    Twitter: https://twitter.com/conceiva_mezzmo
    Web: http://www.mezzmo.com

  10. #20

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    I did new test, system old i-3450 quad, movie The Avengers.

    x.264 / 1920 x 1080 / 16:9 / ~12223 kbps / 23,976 fps - i got ~13-15 fps. Yes I waited ~10 minutes I i watched without problems, but "on fly" this CPU to slow

    same movie but H.264, 1920x1072, 4991 kbps , 23,976 - I got ~21 fps, so 1 minut pause and you can watch.

    Very strange, but firs rip was ~15GB size, but after transcoding I found in folder only 5gb file!
    I didn't saw quality difference's on both files.

    very strange, but after Avengers I start watch Contraband with 1920x816, 5254 kbps, 23,976 and did have any problem,from begging I got ~40 fps

    P.S. of course, all movies 1080p

    P.S.S who first will try intel 8 cores cpu?
    Last edited by paulyz; 08-26-2012 at 10:10 PM.

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