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Message-ID: <5106D03F.4040106@gmail.com>
Date: Mon, 28 Jan 2013 17:23:43 -0200
From: Claudio André <claudioandre.br@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: Shared GWS tuning function
Em 28-01-2013 17:14, magnum escreveu:
> I tried it but GWS is still pegged at the default. Oh, I see now, I
> need to force it with GWS=0. I'll change that.
Seems to be ok.
----
$
Max local worksize 512, Optimal local worksize 256
(to avoid this test on next run, put "pwsafe_LWS = 256" in john.conf,
section [Options:OpenCL])
Calculating best global worksize (GWS) for LWS=256 and max. 3 s duration.
Raw speed figures including buffer transfers:
pass xfer: 0.01 ms, salt xfer: 0.00 ms, crypt: 29.50 ms, result xfer:
0.00 ms
gws: 1024 34698 c/s 71063149 rounds/s 0.030 sec per
crypt_all()+
pass xfer: 0.01 ms, salt xfer: 0.00 ms, crypt: 29.51 ms, result xfer:
0.01 ms
gws: 2048 69347 c/s 142022964 rounds/s 0.030 sec per
crypt_all()+
pass xfer: 0.02 ms, salt xfer: 0.00 ms, crypt: 58.39 ms, result xfer:
0.01 ms
gws: 4096 70113 c/s 143592316 rounds/s 0.058 sec per
crypt_all()+
pass xfer: 0.05 ms, salt xfer: 0.00 ms, crypt: 87.57 ms, result xfer:
0.01 ms
gws: 8192 93478 c/s 191443733 rounds/s 0.088 sec per
crypt_all()+
pass xfer: 0.10 ms, salt xfer: 0.00 ms, crypt: 144.84 ms, result xfer:
0.02 ms
gws: 16384 113025 c/s 231476132 rounds/s 0.145 sec per
crypt_all()+
pass xfer: 0.19 ms, salt xfer: 0.00 ms, crypt: 260.56 ms, result xfer:
0.04 ms
gws: 32768 125649 c/s 257329841 rounds/s 0.261 sec per
crypt_all()+
pass xfer: 0.36 ms, salt xfer: 0.00 ms, crypt: 520.03 ms, result xfer:
0.08 ms
gws: 65536 125914 c/s 257873597 rounds/s 0.520 sec per
crypt_all()
pass xfer: 0.73 ms, salt xfer: 0.00 ms, crypt: 1010.55 ms, result xfer:
0.16 ms
gws: 131072 129589 c/s 265399061 rounds/s 1.011 sec per
crypt_all()+
pass xfer: 2.21 ms, salt xfer: 0.00 ms, crypt: 1994.17 ms, result xfer:
0.32 ms
gws: 262144 131288 c/s 268878675 rounds/s 1.997 sec per
crypt_all()+
pass xfer: 5.69 ms, salt xfer: 0.00 ms, crypt: 3959.44 ms, result xfer:
0.64 ms
gws: 524288 132203 c/s 270752665 rounds/s 3.966 sec per
crypt_all() - too slow
Optimal global worksize 262144
(to avoid this test on next run, put "pwsafe_GWS = 262144" in john.conf,
section [Options:OpenCL])
Local worksize (LWS) 256, Global worksize (GWS) 262144
Benchmarking: Password Safe SHA-256 [OpenCL]... DONE
Raw: 131072 c/s real, 130745 c/s virtual
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