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File and folder extraction was done in 4 minutes and 52 seconds (an impressive 73% reduction).
WHAT IS WINRAR USED FOR ARCHIVE
Archive compression took 37 minutes and 20 seconds (19% less than the HDD). RAR5 tests were repeated on a 240GB Kingston HyperX 3K SATA-III SSD, applying the default settings previously used in RAR5 on the same 26.3GB folder. Although WinRAR took a longer time to carry out the task (1 hour, 9 minutes, and 50 seconds), it reduced the RAR5 archive size to a staggering 13.8GB, which is almost 50% of the original folder. For best performance results we applied the best compression method and 1GB dictionary size, with multi-threading enabled.
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Using RAR5’s default settings (normal compression method, 32MB dictionary size, multi-threading enabled), WinRAR compressed the folder in 46 minutes and 4 seconds, outputting a 19.9GB archive.
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The testing machine was an Intel Core i5-2400 CPU and 8GB RAM on Windows 8 Pro 64-bit, on a 500GB Seagate Barracuda SATA-III HDD with 16MB of cache (ST500DM002-1BD142). We submitted a 26.3GB folder for compression in order to evaluate the new format's abilities.
WHAT IS WINRAR USED FOR RAR
The "Repair" command can use a partially corrupt recovery record data (even if it failed the validity test) in order to recreate the archive structure and gain access to undamaged files.Ĭontinuing the list of new features, file comments and authenticity verification have been removed in both RAR5 and classic RAR (since they proved to be unreliable), file names and archive comments now use UTF-8 encoding, while the file path length in RAR and ZIP archives can store up to 2048 characters. Recovery volume sets also store checksums of protected RAR files now. Plus, it allows the recovery record to be as large as the archive itself.Ĭompressing files with recovery volumes or extracting data from these sets is faster than in the previous RAR format. While the recovery mode for RAR5 equals the previous format in power when it comes to repairing contiguous damage, it offers better results at fixing archives corrupted in multiple segments. Furthermore, RAR5 supports the AES-256 encryption algorithm, and can save NTFS symbolic and hard links. It is recommended to do so when using BLAKE2 signatures or when dealing with large file sizes. Speeding up RAR5 decompression is done by utilizing multiple CPU cores.