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Date: Fri, 11 Sep 2015 00:04:19 +0800
From: Lei Zhang <zhanglei.april@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: SHA-1 H()
On Sep 8, 2015, at 4:47 PM, Solar Designer <solar@...nwall.com> wrote:
>
> Also, as I suggested in the "MD5 on XOP, NEON, AltiVec" thread:
>
> "[...] we'll need to revise MD5_I in simd-intrinsics.c to use [...]
> the obvious expression with OR-NOT on NEON and AltiVec (IIRC, those
> archs have OR-NOT, which might be lower latency than select)."
Experimented on ARM:
[use CMOV]
Benchmarking: PBKDF2-HMAC-MD5 [PBKDF2-MD5 128/128 NEON 4x]... (2xOMP) DONE
Speed for cost 1 (iteration count) of 1000
Raw: 1600 c/s real, 800 c/s virtual
[use OR-NOT]
Benchmarking: PBKDF2-HMAC-MD5 [PBKDF2-MD5 128/128 NEON 4x]... (2xOMP) DONE
Speed for cost 1 (iteration count) of 1000
Raw: 1651 c/s real, 825 c/s virtual
Lei
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