[PATCH v2] crypto: vmx: Improved AES/XTS performance of 6-way unrolling for ppc.

Michael Ellerman mpe at ellerman.id.au
Fri Sep 15 23:29:33 AEST 2023


Danny Tsen <dtsen at linux.ibm.com> writes:
> Improve AES/XTS performance of 6-way unrolling for PowerPC up
> to 17% with tcrypt.  This is done by using one instruction,
> vpermxor, to replace xor and vsldoi.
>
> The same changes were applied to OpenSSL code and a pull request was
> submitted.

https://github.com/openssl/openssl/pull/21812

Still unmerged as of today.

cheers


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