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 that allows us to benchmark 4K, and 4K queue depths with accuracy.
* Sequential reads/writes
* Random 4KB/512KB reads/writes
* Text copy
* Change dialog design
* internationalization (i18n)
Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests, since it offers the ability to measure native command queuing at 4 and 32.
Here, we get our first look at incompressible data performance in both sequential and random tests. The compressible verses incompressible part doesn't factor in much when reading data from the drive, but less than 30 MB/s of 4K performance at QD1 certainly does.
When writing data, we see the incompressible data aspect factor in. The 4K QD1 performance is actually higher than we expected to see, but higher queue depth performance and sequential performance really suffer with incompressible data.
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