Checksum Calculation zsDuplicateHunter offers two methods of calculating checksums, the Adler32 method and CRC32 method. The Adler32 method is faster, but slightly less accurate and the CRC32 method is slower, but more accurate. When checking files within zip files and jars, the CRC32 method is always used. We suggest that in most cases you use the CRC32 checksum method unless the files you are checking for duplicates are relatively large and you need the increased speed the Adler32 method gives.
You can also choose whether or not to display the checksum as a hexadecimal number or as a regular decimal number. This option is a purely personal choice. Feel free to use whichever option is easier for you to read. Digest Calculation This option allows you to control the type of digest you would like to use when finding duplicate files. For more information, please see the Grouping By Digest section earlier in the help file.
Input Buffer Size This option allows you to control how much of a file zsDuplicateHunter reads at one time when calculating checksums and digests, reading files, andcopying files. The ideal setting for this option will depend on the configuration of your computer. In most cases the default setting of 32KB will be the best setting for you. However, if your computer is running more slowly than you would like, you can experiment with the various settings on a small set of files to determine the optimal configuration for your needs.
Controlling the input buffer size is available only in the Professional version.
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