Date: Sat, 10 Nov 2012 04:23:27 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: Split kernel for OpenCL WPA-PSK magnum - On Fri, Nov 09, 2012 at 08:00:50PM +0100, magnum wrote: > how about upgrading Bull to the driver versions recommended by HashCat? > It's Catalyst 12.8 and nvidia 304.32. I was/am going to install whatever is latest, but not right now as I have no time to deal with possible side-effects or perform a downgrade in the following couple of weeks. So let's revisit this in 2+ weeks from now. > Using device 0: Tahiti > Local worksize (LWS) 128, Global worksize (GWS) 262144 > Benchmarking: WPA-PSK PBKDF2-HMAC-SHA-1 [OpenCL]... DONE > Raw: 129453 c/s real, 52428K c/s virtual Great! > This is a tad faster than HashCat unless Atom has tweaked it since the > figure I found (otherwise he will now... OTOH I'm not done yet =). The hashcat website says 131k c/s, and it did for a while (not a recent change). Milen mentioned getting 137k with hashkill in a tweet a while ago. All of these are for HD 7970 at stock clocks. > Jumbo-7 does 42723 c/s out of the box. IIRC, it did 55k when built with OpenMP. Still relatively slow, of course. > If I only could figure out how to compile clcc on Bull. I have no chance > to look at the referenced Ptx assembly. Or is there a way to keep temp > files? I hope someone else will answer this better, but we can try chattr +a on a directory (needs root privs) or LD_PRELOAD'ing a library with dummy unlink() (can be done as non-root) if nothing else helps. Alexander
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