Version and / or Patch Used: 3.0 Technical Preview
Developer Homepage: http://crystalmark.info
Product Homepage: http://crystalmark.info/software/CrystalDiskMark/index-e.html
Download here: http://crystaldew.info/category/software/crystaldiskmark
CrystalDiskMark is a disk benchmark software.
* Sequential reads/writes
* Random 4KB/512KB reads/writes
* Text copy
* Change dialog design
* internationalization (i18n)
Note: Crystal Disk Mark 3.0 is not available to the public yet, but the Technical Preview does allow us to test 4K performance at queue depths of 4 and 32 in addition to 1. The current release Crystal Disk Mark only shows us QD 1.
In CDM we are looking at 4K performance and 4K queue depth performance with NCQ. The 4K read and 4K 4 depth performance was virtually identical to that of the single drive, but when the commands ramped up to 32 depth the RAID pair nearly doubled that of the single drive.
In the write test the 4K single command remained the same, but this time the 4 depth write doubled with the 32 depth.
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