" Only PerfectDisk relocates the MFT and its Reserved Zone about 1/3 of the way into the volume in accordance with a Microsoft white paper which states this location delivers a 5-10% performance improvement."
See page 4, Master File Table (MFT) / Reserved Zone
The recently/frequently modified files are relocated to the middle of the partition near the MFT for performance, not the front. But, the SMARTPlacement strategy of PerfectDisk bears no resemblance to the IFAAST (“Intelligent File Access Acceleration Sequencing Technology”) technique of Diskeeper, despite the similar nomenclature. Again, the objective of SMARTPlacement isn’t to optimize or accelerate file access, but to use fewer resources in a subsequent defragmentation.īoth Diskeeper and PerfectDisk appear to be excellent products, and each has their own unique advantages and disadvantages. As Raxco states, SMARTPlacement “is designed to slow down the rate of refragmentation” – not to speed file access.
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PerfectDisk is optimizing future free space consolidation Diskeeper, in contrast, is optimizing the actual placement of the files on the parts of the disk platter that provide the fastest access. The frequently modified files are kept in the partition near the Master File Table (MFT) for better performance.Īctually, according to the PerfectDisk white paper you referenced, it is the ”rarely modified” files that are positioned at the front of the disk: “Rarely Modified files are … defragmented and SMARTPlacement groups them together at the front of the disk … As a result, the Rarely Modified files do not need to be moved.” Note that “Rarely Modified” files are not the same as “most often accessed (used)” files.
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