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  1. #1
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    New VGleak: Durango's DMEs *now in laymans terms*

    http://www.vgleaks.com/world-exclusive-durangos-move-engines/
    All the technical bollocks in the link
    Quote Originally Posted by laymans terms
    http://www.neogaf.com/forum/showpost...&postcount=127 courtesy of 'Drek'

    No. In layman's terms it's basically this (according to my interpretation):

    You're moving to a new house, packing up everything you own and making a few trips to the new place to get it all moved.

    With the PS4's solution, DDR5, you basically have a box truck that drives 70 mph everywhere all the time and can hold 4,000 pounds of your $#@! in a trip. When you get to your destination you need to unpack all of this $#@! too, at 1.8 tons an hour.

    With the Xbox 360 you have a big box truck that can carry 8,000 pounds of your $#@! but it only drives at 28 mph. You also have a car that can carry 320 pounds of your $#@! and can drive at 41 mph. Once you get to your destination you have to unpack all your $#@! at only 1.2 tons an hour, but thankfully when you go to unpack your $#@! is already being sorted for you by a friend outside, helping to organize how you're receiving the stuff you unpack inside.

    The Move Engines are that friend. They aren't going to do any of the unpacking (read: processing). They aren't going to carry any of your $#@! to the new place (read: memory). They just make everything run more smoothly, helping to reduce snags and bottlenecks.

    If you were very diligent in how you packed either box truck you reduce the need for such a friend, but it's sure nice to have them no matter what. Chances are the PS4 will have some level of this same concept as well, though likely not to the same extent that MS is incorporating, since MS needs some way to get over the DDR3 bottleneck.

    I'd say it's a further complication resulting from MS wanting 8 GB of memory and therefore going with clearly too slow DDR3. Move Engines, ESRam, etc. are all attempts to patch over that deficiency. This is also likely why MS is running them pre-programmed, because making developers have to manage this to avoid a bottleneck the PS4 doesn't have would be a pain in the ass.


    nothing particularly special by the looks of it, probably similar to what the 4 reserved CU cores on the ps4 will be doing.

    Last edited by J3ff3; 02-06-2013 at 18:45.
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  2. #2
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    Phase 1: Move Engine
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  3. #3
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    Break it down for the plebeians. Is this the special sauce?

  4. #4
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    Quote Originally Posted by Ixion View Post
    Break it down for the plebeians. Is this the special sauce?
    i wish i could buddy, but i'm also one of the plebeians.

    but from what i've read, no, its no special sauce. the snes and other older consoles all had data movers of some kind. these don't appear to do anything magical that people can see, but there is still the question of why include them in the first place. it does really make much sense.

    i'll have to leave it to someone more technical to actually explain what the $#@! that's all about, just thought i'd post it.
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  5. #5
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    Quote Originally Posted by J3ff3 View Post
    i wish i could buddy, but i'm also one of the plebeians.

    but from what i've read, no, its no special sauce. the snes and other older consoles all had data movers of some kind. these don't appear to do anything magical that people can see, but there is still the question of why include them in the first place. it does really make much sense.

    i'll have to leave it to someone more technical to actually explain what the $#@! that's all about, just thought i'd post it.

    Its a particularly special sauce.
    Anyone downplaying this is clearly is not understanding the implications.
    This is a zero pipeline stall solution.

  6. #6
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    Quote Originally Posted by mynd View Post
    Its a particularly special sauce.
    Anyone downplaying this is clearly is not understanding the implications.
    This is a zero pipeline stall solution.
    But its only a special sauce because of the inherent problems 8gigs ddr3 throws up anyway. Its not a special sauce that gives it an advantage because the ps4 doesn't have the issue in the first place.

    Granted, it will help minimise the bandwidth discrepancy slightly, but not entirely, and it won't make up for the differences in the gpu. So, yes they are useful, but their not ground breaking or the"special sauce that people were really hoping for or alluding to.

    Edit- is this forum intentionally $#@! so I buy Tapatalk? The $#@!ing cursor jumps all over the shop on my s2
    Last edited by J3ff3; 02-06-2013 at 21:40.
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  7. #7
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    Quote Originally Posted by J3ff3 View Post
    But its only a special sauce because of the inherent problems 8gigs ddr3 throws up anyway. Its not a special sauce that gives it an advantage because the ps4 doesn't have the issue in the first place.

    Granted, it will help minimise the bandwidth discrepancy slightly, but not entirely, and it won't make up for the differences in the gpu. So, yes they are useful, but their not ground breaking or the"special sauce that people were really hoping for or alluding to.

    Edit- is this forum intentionally $#@! so I buy Tapatalk? The $#@!ing cursor jumps all over the shop on my s2
    Its giving the GPU specific block acces to and from ESRAM, and it could easily make up for the differences in the GPU but only in certain situations

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