phc-discussions - Re: [PHC] yescrypt AVX2

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Message-ID: <553BD160.1040501@dei.uc.pt>
Date: Sat, 25 Apr 2015 18:39:44 +0100
From: Samuel Neves <sneves@....uc.pt>
To: discussions@...sword-hashing.net
Subject: Re: [PHC] yescrypt AVX2

On 25-04-2015 09:09, Solar Designer wrote:
> Samuel - any thoughts on accessing the upper 128 bits faster?

Not really. I have tried to take advantage of this in a somewhat different scenario---using upper halves of AVX1
registers as fast temporary storage---but the latency seems unavoidable.