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Thread: Loss of good performance after en/decryption & ntfs-de/compression

  1. #1
    Join Date
    Jul 2009

    Unhappy Loss of good performance after en/decryption & ntfs-de/compression


    I got my 32gb runcore pro IV some days ago and installed immediately winxp on it.
    After installation I did a crystalDiskMark-Bench and achieved very satisfying results:

    Seq: read 189.1MB/s write 96.47MB/s
    512k: read 150.6MB/s write 91.94MB/s
    4k: read 28.84MB/s wrote 8.410MB/s

    After that I wanted to test the performance with truecrypt-system-drive encryption and ntfs-filesystem compression.
    As the performance was too bad for me with encryption and/or file-compression I retrograde everything with the expectation getting the good results with crystalDiskMark again.
    Strangely the performance-results stayed bad after decompressing and de-encrypting.
    That worried me and I did a fresh install of winXP, but the performance still has gone and I didn't achieve to recover the speed.

    What's going wrong???

    Current results are:
    Seq: read 117.9MB/s write 33.98MB/s
    512k: read 110.3MB/s write 23.52MB/s
    4k: read 26.30MB/s wrote 3.379MB/s

    besides motherboard makes some noice while reading(only).

    thanks for help & regards, schober

    ps: my system:
    Motherboard: Giga-Byte GA-M51GM-S2G
    CPU: AMD Athlon 64 X2 5000+
    Chipset: nVidia GeForce 6100 (C51) + MCP51
    GPU: nVIDIA GeForce 6100 (C51)
    Memory: 2048 MB DDR2-SDRAM
    OS: Microsoft Windows XP Professional SP3
    Last edited by schober; 07-05-2009 at 06:12 PM.

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