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AHCI vs. IDE Linux Performance Benchmarks

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  • #11
    Originally posted by Kano View Post
    Your description is wrong, first it's NCQ and it is not limited to reads
    No, it was spot on. These were just typos since I wrote it very fast and I didn't keep track of the latest SSD developments ;-)

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    • #12
      In my experience using AHCI makes a huge impact once you use software RAID devices - especially when it comes to responsiveness under load.
      In IDE mode, heavy IO would have simply bogged down my dual Xeon machines.
      w/ AHCI, even while running a tar backup w/ pbzip2, I can still use the machine.

      ... Though to be honest, I never took the time to benchmark it.

      - Gilboa

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