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Performance Benchmarks

Topics: Technical Issues
Oct 6, 2016 at 10:56 AM
Hello, after testing I found that, compared with DiskCryptor VeraCrypt has great power to influence the speed of reading and writing data. It is not possible to transpose that positive quality of DiskCryptor ?

CrystalDiskMark: 4K Q32T1
Without Encryption = 100% Speed
VeraCrypt Read = 15%
DiskCryptor Read = 98%

Disk Encryption Performance Benchmarks – Windows

thanks
Oct 6, 2016 at 11:59 AM
Edited Oct 6, 2016 at 12:00 PM
Hi RoDiSK,

Probably the main reason is difference of I/O implementation.

DiskCrypt uses async I/O in context of calling thread.
VeraCrypt uses separate thread to perform I/O.

Probably threads context switch is the main reason.
Oct 6, 2016 at 7:30 PM
Thank you for the information, maybe it change over time ?
Oct 6, 2016 at 8:52 PM
Audit and stability are main goal.
Performance and new options are next step.