Date: Sun, 24 Jun 2012 23:59:37 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: xsha512-opencl, raw-sha512-opencl on HD 7970 On Sun, Jun 24, 2012 at 04:46:11PM +0800, myrice wrote: > I fixed the bug. It is due to I incidentally comment memcpy in > set_key() and commit to magnum-jumbo. Now it is: > > [12:43:22 myrice] run $ ./john -te=1 -fo=xsha512-opencl -pla=1 > OpenCL platform 1: AMD Accelerated Parallel Processing, 2 device(s). > Using device 0: Tahiti > Compilation log: LOOP UNROLL: pragma unroll (line 163) > Unrolled as requested! > LOOP UNROLL: pragma unroll (line 168) > Unrolled as requested! > LOOP UNROLL: pragma unroll (line 183) > Unrolled as requested! > > Optimal Group work Size = 128 > Global work size = 2097152 > Benchmarking: Mac OS X 10.7+ salted SHA-512 [OpenCL]... DONE > Many salts: 54176K c/s real, 1083M c/s virtual > Only one salt: 26214K c/s real, 41943K c/s virtual Looks good. I think it should be possible to improve the "many salts" speed to about 150M c/s, though. ;-) Here's a relevant tweet by @gat3way (Milen): Well anyway....152M/s singlehash SHA512 on 7970 pic.twitter.com/tWmGn28U Thanks, Alexander
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