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Date: Mon, 22 Dec 2014 20:29:22 +0300
From: Solar Designer <solar@...nwall.com>
To: john-users@...ts.openwall.com
Subject: Re: ARM exynos 5410 benchmark results
On Mon, Dec 22, 2014 at 05:58:32PM +0100, marcel@...wthinkers.net wrote:
>
> In message <20141222143351.GC26760@...nwall.com>, Solar Designer writes:
>
> > This looks good for a (presumably) low-power CPU.
>
> I haven't measured it, but should stay well below 20 Watt at full
> speed.
20W would be A LOT for this CPU and these speeds. I'd expect something
under 5W. What's the official TDP for it?
For example, here's JtR 1.8.0 built with "gcc version 4.8.2 (Alpine
4.8.2)" running on:
model name : Intel(R) Pentium(R) CPU N3530 @ 2.16GHz
http://ark.intel.com/products/81074/Intel-Pentium-Processor-N3530-2M-Cache-up-to-2_58-GHz
Per Intel, this quad-core x86 CPU has TDP 7.5W, SDP 4.5W.
Will run 4 OpenMP threads
Benchmarking: descrypt, traditional crypt(3) [DES 128/128 SSE2-16]... DONE
Many salts: 6239K c/s real, 1562K c/s virtual
Only one salt: 5147K c/s real, 1291K c/s virtual
Benchmarking: bsdicrypt, BSDI crypt(3) ("_J9..", 725 iterations) [DES 128/128 SSE2-16]... DONE
Many salts: 199884 c/s real, 49921 c/s virtual
Only one salt: 186777 c/s real, 46647 c/s virtual
Benchmarking: md5crypt [MD5 32/64 X2]... DONE
Raw: 22349 c/s real, 5848 c/s virtual
Benchmarking: bcrypt ("$2a$05", 32 iterations) [Blowfish 32/64 X2]... DONE
Raw: 1892 c/s real, 473 c/s virtual
Benchmarking: LM [DES 128/128 SSE2-16]... DONE
Raw: 28468K c/s real, 7124K c/s virtual
Benchmarking: AFS, Kerberos AFS [DES 48/64 4K]... DONE
Short: 234342 c/s real, 234342 c/s virtual
Long: 532377 c/s real, 532377 c/s virtual
Benchmarking: tripcode [DES 128/128 SSE2-16]... DONE
Raw: 4022K c/s real, 1010K c/s virtual
Benchmarking: dummy [N/A]... DONE
Raw: 16308K c/s real, 16276K c/s virtual
john-1.7.9-jumbo-7 has faster md5crypt:
Benchmarking: FreeBSD MD5 [128/128 SSE2 intrinsics 12x]... (4xOMP) DONE
Raw: 53184 c/s real, 13296 c/s virtual
(I ran these benchmarks before we released john-1.8.0-jumbo-1.)
Surely ARM should be more energy-efficient than x86, especially at the
lower clock rate, so perhaps your CPU's TDP is below this one's 7.5W.
On the other hand, it's 22nm (Intel) vs. 28nm.
> > Can you please add these benchmarks to
> > http://openwall.info/wiki/john/benchmarks along with precise JtR version
> > info?
>
> Done. Please let me know if anything is needs to change.
Yes: I think you wrongly stated that you ran 8 threads. I think you
only ran 4. If so, please correct that little detail.
Thanks!
Alexander
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