128 GB RAM - Install windows to RAM discs - possible ??

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  1.    25 Apr 2018 #11

    EdTittel said: View Post
    There are various Windows programs called RAMDisks that automate this process. I've used the Dataram product from time to time, but there are many others, as listed in this GHacks article "The Best Free RAM disk programs for Windows." You might want to check one or more those products out, because they can make the process much simpler, more straightforward, and easier to manage at startup and shutdown than doing it by hand.
    Thanks Ed for the link...

    I was curious to see the RamDisk performance on my system, with DDR3 memory, picked ImDisk and tested the performance of the 4GBs ramdrive. On its own, the results are impressive but does not mean much, so it is compared to SATA II SSD and NVMe SSD to ramdisk CrystalDiskMark performance:

    Click image for larger version. 

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    The ramdisk certainly blows away the Samsung NVMe by a large margin; especially in 4KiB performance, where the most noticeable performance increase comes from for the desktop.

    The three pictures sort of display storage history and may just project future direction. From this perspective, the Intel Optane 800P is the next step in storage technology, its performance benchmark would be between the NVMe and the ramdrive. Its 4KiB performance is much closer to the ramdisk 4KiB performance, than the NVMe drive's. Here's a link for the 800P with CrystalDiskMark benchmark:

    Intel Optane 800P SSD Review (58/118GB) | The SSD Review

    In my view, the average desktop performance does not change much, when switched from SSD to NVMe drive. Yes, the system boots up faster and programs open marginally faster, but nowhere nearby the level then moving from HDD to SSD. Maybe moving from SSD, one of my current six years old system, to Intel Optane drive will have much more noticeable desktop performance increase. Especially with two of them in RAID 0; time will tell, if Intel can move Optane to PCIe x4 instead of the current x2, or stabilize and/or make the RAID configuration easy...
      My ComputerSystem Spec

  2.    25 Apr 2018 #12

    Yes, @jimbo: if you have the RAM to spare and run your system on a UPS with the ability to shut down gracefully (and thereby copy the volatile contents of the RAMdisk to non-volatile storage media) before the power disappears, NOTHING beats a RAMdisk for performance. If you had really, really fast RAM you could double the right-hand side numbers again. I've messed around with it over the years, but never really had the patience to live with that setup on a production machine (it does take more time to boot because you have to copy the image from disk to RAM, and then reverse the process on shutdown/restart).
    Nice numbers, though!
      My ComputersSystem Spec

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