Re: [RFC][PATCH 0/4] AES assembler implementation for x86_64

From: Andi Kleen
Date: Mon Apr 18 2005 - 04:01:56 EST


> Microbenchmark:
> ===============
> The microbenchmark was done in userspace with similar compile flags as
> used during kernel compile.
> Encrypt/decrypt is about 35% faster than the generic C implementation.
> As the generic C as well as my assembler implementation are both table
> driven I don't really expect that there is much room for further
> improvements though I'll be glad to be corrected here.

On what CPUs did you benchmark? I suppose results will vary a lot
between AMD and Intel x86-64 CPUs.

-Andi
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