Date: Wed, 17 Sep 2014 22:05:37 -0800 From: Royce Williams <royce@...ho.org> To: john-users@...ts.openwall.com Subject: Re: nVidia Maxwell support (especially descrypt)? On Tue, Sep 16, 2014 at 11:38 PM, Royce Williams <royce@...ho.org> wrote: > On Thu, Sep 11, 2014 at 7:37 AM, Royce Williams <royce@...ho.org> wrote: > > On Thu, Sep 11, 2014 at 12:57 AM, Solar Designer <solar@...nwall.com> > wrote: > >> For now, I think someone with a Maxwell GPU should try building and > >> benchmarking our descrypt-opencl on it with the S-boxes that use > >> bitselect(). > > > > Unless someone else can do it faster, I'll acquire a card -- but will > > need some help wrangling the S-boxes. > > I now have a 750 Ti installed, and also have the latest bleeding-jumbo > source staged locally. If my setup can help test what Solar suggested > above, I am ready to do so. > No pressure - just forgot to include basic benchmark as a baseline for when some cycles are available to look at this. $ ./john --list=build-info Version: 188.8.131.52-bleeding-jumbo OMP Build: linux-gnu 64-bit AVX-autoconf Arch: 64-bit LE $JOHN is ./ Format interface version: 12 Max. number of reported tunable costs: 3 Rec file version: REC4 Charset file version: CHR3 CHARSET_MIN: 1 (0x01) CHARSET_MAX: 255 (0xff) CHARSET_LENGTH: 24 Max. Markov mode level: 400 Max. Markov mode password length: 30 Compiler version: 4.6.3 gcc version: 4.6.3 OpenCL library version: 1.1 OpenSSL library version: 01000100f OpenSSL 1.0.1 14 Mar 2012 GMP library version: 5.0.2 NSS library version: 3.15.4 NSPR library version: 4.9.5 Kerberos version 5 support enabled fseek(): fseek ftell(): ftell fopen(): fopen memmem(): System's $ ./john --test --format=descrypt-opencl --device=0 Device 0: GeForce GTX 750 Ti Build log: ptxas info : 0 bytes gmem ptxas info : Compiling entry function 'DES_bs_25_b' for 'sm_50' ptxas info : Function properties for DES_bs_25_b ptxas . 256 bytes stack frame, 0 bytes spill stores, 0 bytes spill loads ptxas info : Used 74 registers, 15876 bytes smem, 348 bytes cmem Local worksize (LWS) 64, Global worksize (GWS) 16384 Benchmarking: descrypt-opencl, traditional crypt(3) [DES OpenCL]... DONE Many salts: 21802K c/s real, 21802K c/s virtual Only one salt: 19206K c/s real, 19398K c/s virtual Royce
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