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FSVERITY/DM-Verity Can Yield Much Better Performance With Multi-Buffer Hashing
In addition to recently working out AES-XTS implementations for AVX2, AVX-512, and other versions for speeding up disk/file encryption, Google's Eric Biggers has additionally been working on some nice performance improvements for the Linux kernel's DM-Verity code.
With the pending code by Eric Biggers, there is improved performance coming by making use of multi-buffer hashing. The increase in overall throughput of cold-cache dm-verity reads that I'm seeing on arm64 and x86_64 is roughly 35% (though this metric is hard to measure as it jumps around a lot)." About The AuthorMichael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience.
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