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  4. Flash-Disks?
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    @cm said:

    now lately i've read a report about an extensive test how much such hybrid-disks in fact do speed up system boot / application start / loading data ...

    guess what the result has been ... a shattering one .. no or almost no effect ...

     

    I could only guess, but so far the SSD managment is purely done by Vista and not implemented at hardware level. Cache sizes usually are 256MB which is really small for OS plus apps. And then again - Vista would have to know which files should be loaded to manage to get them to the SSD portion before it really requests them. It would also have to know which application you were to launch next or which application data to precache when booted. So I don't think it's a problem that SSD is involve, but morea structural one, that it's not supported or used to maximum (or in that case: any noticeable) effect.

    PolarBear 
  • P
    P

    Arne, that "learn on startup" idea is nice, but that would only work for monolithic sample files where we know we will have 100% of all possible read accesses done in the loading phase... anyway... this thing is a task of its own and I seriously doubt I'm gonna go and do it.

    PolarBear 
  • V
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    So how are those flash disks ging on with VSL on the 2009 ?

    can't find modern posts about it ?

    will the vsl instrument be able to playback sounds on these disks without loading the all sample in ram ?
  • DietzD
    VSL Team
    DietzD
    Excuse me if I miss the obvious - but what do you mean when you write "loading all sample in RAM"?
    /Dietz - Vienna Symphonic Library
  • V
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    mmm maybe i'm wrong but ... when you load an instrument all the sounds are going in the ram right ?

    that's why you need huge amout of ram.

    with flash disks maybe it would be possible to imagine that the sounds stays and the drive until you play it. Then loaded very fast to ram or direct to sound card (or not i dunno i'm not engeenier).

    anyway i can't find recent posts about flash disks and vsl ... i imagine you can load sounds very fast from those drives but about the sreaming, what does it bring.

    i'm about to buy a new computer for my samples. about 10Go of ram. or maybe there's something new coming with the flash disks..
  • DietzD
    VSL Team
    DietzD
    Oh, you got this wrong, obviously.

    Vienna Instruments stream their samples directly from disk, only the first few KB of data is loaded to RAM. It just the fact that there are so many samples within one instrument which gives you the impression that _everything_ gets loaded into RAM. :-)

    Kind regards,
    /Dietz - Vienna Symphonic Library
  • V
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    hell i understand :P thx for info.

    ok so flashdisk is a good option then in addition to good ram...(?)

    i only have the strings 1&2 full but i plan to buy woodwinds 1 full. And of course i have other librarys (tonehammer, synthogy pianos, superior drums etc...)
    i plan to buy a :

    1st solution (low budget)
    ASUS P5QL Pro
    INTEL Core2 Duo E8400 (3.0 DualCore LGA775)
    Nvidia 7200 GS 256 Mo Fanless
    DDR2 4x4Go
    Vertex SSD SATA (flashdrive)

    2nd solution high price (for me of course)
    ASUS P6T (Corei7 + DDR3 + PCIE)
    INTEL Core2 Duo E8400 (3.0 DualCore LGA775)
    Nvidia 7200 GS 256 Mo Fanless (PCI-E)
    DDR3 SDRAM 3x4Go PC10600
    Vertex SSD SATA (flashdrive)

    any advice ?
  • cmC
    VSL Team
    cmC

     it would be nice to have sample data streamed *directly* from a flash disk but the *chain of buffers and latencies* does not allow that. actually reducing the preload buffer for Vienna Instruments from 64 to 8 KB per sample does not work successfully with current flash disks, because strange latency spikes (with the disk) occurre ...

    christian

    and remember: only a CRAY can run an endless loop in just three seconds.
  • V
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    sry i'm no english and not sur to understand 100%

    i understood your last post was considering a "directl streaming" from flash drive that lead to strange problems. But does it mean that using flash drives for vsl doesn't bring much more than classical fast drives ?

    when you hear little drops in sounds when lots of instrument. Does it come from slow disk or slow cpu ?
  • cmC
    VSL Team
    cmC

     what i'm saying is that also with flash disks it would not be possible to stream everything directly even from a flash drive (RAM needs to be involved anyway)

    currently i can't find any benefit streaming sample data from a flash drive justifying the price difference to *normal* drives ... what makes flash drives so tempting is the incredibly low seek time, data throughput is not so much more (especially with the MLC type)

     

    also a german computer magazine ran some real-world tests with operating system on flash drives (XP, VISTA, OS X) vs. normal sATA drives and the difference for startup time and launching applications was not measurable or a few %

     

    i think getting 4 1TB sATA drives for the price of 1 64GB SSD makes any decision easy ...

    christian

    and remember: only a CRAY can run an endless loop in just three seconds.
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    @cm said:

     i think getting 4 1TB sATA drives for the price of 1 64GB SSD makes any decision easy ...

    i see 😊 thx for info