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  4. New Mac Pros and VSL
  • A
    A

    Stephane,

    Are you saying that a 2.66 Quad Core  I7 will provide more performance than the last generation (Harpertown) Dual Quad Core Xeon 2.66?
  • cmC
    VSL Team
    cmC

     i can confirm this at least for the comparision i5400 2 x 4 x 3.2 GHz XEON 16GB 1600 MHz vs. x58 1 x 4 x 3.2 GHz i7 12GB 1333 MHz

    and remember: only a CRAY can run an endless loop in just three seconds.
  • A
    A

    cm,

    I am not sure what you are confirming.  You mean that x58 1 x 4 x 3.2 GHz i7 12GB 1333 MHzi provides more performance than 5400 2 x 4 x 3.2 GHz XEON 16GB 1600 MHz ?
  • cmC
    VSL Team
    cmC

     yes - the used *benchmark* was the MIR - can't comment on use of other apps eg. altiverb though ...

    and remember: only a CRAY can run an endless loop in just three seconds.
  • J
    J

    My understanding regarding the new Macs is:

    If you have 3 DIMMs or 6 DIMMs, you get tri-channel modules (ca. 19GB/sec).

    If you have 2 DIMMs, 4 DIMMs or 8 DIMMs, you get dual-channel (ca. 13GB/sec).

    Maybe someone else can check on ECC, but I think at least some of these models are ECC (after all they are servers) - though no promises from me on this.
  • B
    B

    Can't find an existing thread about the new Macs, so I'll assume this is the first.

    My opinion in a photo:

    It's ok though. Free Shipping.
  • W
    W

    Hi Robert,

    There's a discussion about the new Mac Pros in the main Vienna Instruments forum:

    http://community.vsl.co.at/forums/t/21055.aspx
  • N
    N

    Do we actually care about the memory speed? I've never heard of that being a bottleneck, but is it one?
  • A
    A

    Memory speed is important because it plays a key part in how low a buffer setting you can have when running multiple Virtual Instruments and FX. That is how I have understood it.

  • A
    A

    Good point.  I saw a DAWBench performance graph comparing one new 2.66 I7 to a PAIR of last generation Xeon 2.66 chips (a 5350?), and they were comparable until you got to low latencies (64 and 128), where the I7 really blew the pair of Xeons away.
  • N
    N

    Sorry, I don't believe that memory speed has any noticeable effect whatsoever on the size of the buffer you can get away with. In my experience even the hard drives, e.g. 10K RPM Raptors, don't make much difference. Maybe if you're running MIR this kind of thing will make a difference, but for regular sampling I'm highly skeptical.<BR><BR>

    The thing is, you can't run machines that close to the breaking point when you're using them for music. You have to leave some overhead just to operate the sequencer.
  • J
    J

    Hi Nick,

    My only points about bringing the speed were indeed corollary to the discussion on the other VSL forum regarding the new Mac Pro's working for Mir, and replying to an earlier posting on this thread regarding the number of slots and the corresponding amount of RAM to be used.The numbers of slots and the amount do add up the way I mentioned and the speed of RAM differs accordingly - whether or not that relates directly to this discussion.

    Yes, I certainly agree with your comments on RAM speed generally being adequate for sample playback - and the importance of high disk rotation speeds.

    Best regards,

    Jack
  • N
    N

    Got it. Thanks Jack.<BR><BR>