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Thread: The CDT and copywaza lab

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  1. #11
    Xtreme Mentor
    Join Date
    May 2007
    Posts
    2,792
    I had time so I ran some tests.

    How much is the hard drive involved with a Super Pi calculation?

    I had nothing else running and so measured every query/read/write the application and OS made towards the hard drive.

    Well, whadya know.

    • Super Pi 1M took 52 seconds (P4C).
    • In those 52 seconds Super Pi made 11,075 disk queries/read/writes.
    • Of them there were only 19 queries.
    • The first Super Pi 1M action was to query and open the file Msimtf.dll.
    • Super Pi made 10-25 read/writes per millisecond during the 1M run.

    So, anyone using a RAMdisk or something with less latency than a typical HDD, theoretically, will have faster times considering they know how to.

    Attached is the starting output of Super Pi.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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