I have a vertex 30GB SSD, and it performs well in HDtune, but I am getting terrible results under performance test. is there a setting I should change for SSD's?
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VERY slow results for hard drive test
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Can you post your disk test results to show what you mean by terrible.
Typically most current generation SSDs aren't much faster than standard drives when it comes to sequential read and write, although should be somewhat better in random read/write. There are no particular options in PT for SSDs.
You can try running some of the advanced disk tests (under the advanced menu). With this you can get more detailed info. In particular you can see the drives access times, which is where SSDs really outperform the older drives.
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here is my drive:
http://www.newegg.com/Product/Produc...82E16820227393
that version of HD Tune I had just downloaded, it was the free version though.
I will try the pro versions trial to check the results.
Ok, here are the results. I could not do write tests, it said there would have to be no partitions for a write test:
http://i588.photobucket.com/albums/s...chmagnet/1.jpg
http://i588.photobucket.com/albums/s...net/random.jpgLast edited by ditchmagnet; Sep-02-2009, 02:44 PM.
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There are several different ways a hard disk can be accessed (from a programatical point of view), and the effects of caching, and device driver quirks can have a big impact on the R/W speeds. You can experiment with these different paramters from the advanced disk test window. You might find a specific case where is doesn't perform well. The RAW disk access method in PerformanceTest most closely maches the HDTach disk access method. (But this is not the method used in the quick test).
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