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Post Author Forum Replies Views [asc] Posted
    Thread: Catalyst v14.9 vs 14.12
Post: RE: Catalyst v14.9 vs 14.12
Yes.
 epixoip General Help 15 31,299 01-09-2015, 10:35 PM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
AMD dropped XOP from their ISA and failed to add 256bit registers, so Ryzen will be seriously shitty for password cracking. Much slower than Intel CPUs with AVX2.
 epixoip Hardware 26 31,272 03-06-2017, 05:18 PM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
Are you sure? Last I saw they had dropped XOP and hadn't added any 256-bit registers. Now that I'm searching for this, I see lots of mixed reports: some say it has AVX2, other say it has no AVX2. I ca...
 epixoip Hardware 26 31,272 03-06-2017, 11:09 PM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
Huh, yeah that's super strange. It's almost like AVX2 emulation.
 epixoip Hardware 26 31,272 03-07-2017, 01:39 AM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
Ryzen certainly wasn't first, heh. Does nobody remember VIA Padlock? I used to love using Via Nano CPUs in my Linux firewalls and SSL terminators.
 epixoip Hardware 26 31,272 03-12-2017, 07:28 PM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
Password cracking is an embarrassingly-parallel problem and acceleration comes from parallelism. AVX2 with 256-bit registers enables us to operate on eight 32-bit words or four 64-bit words simultaneo...
 epixoip Hardware 26 31,272 05-11-2017, 05:32 PM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
8 threads * 8-way SIMD = 64 32-bit ops in parallel 16 threads * 4-way SIMD = 64 32-bit ops in parallel 32 threads * 4-way SIMD = 128 32-bit ops in parallel 24 threads * 8-way SIMD = 192 32-bit ops ...
 epixoip Hardware 26 31,272 05-13-2017, 07:53 PM
    Thread: Ryzen OpenCL benchmarks?
Post: RE: Ryzen OpenCL benchmarks?
Yep, you can argue other use cases all you want, it's just going to fall on deaf ears. These are the hashcat forums, all we give a fuck about here is password cracking performance, and Ryzen's fake AV...
 epixoip Hardware 26 31,272 05-14-2017, 04:18 AM
    Thread: First GPU Rig - A few questions
Post: RE: First GPU Rig - A few questions
You're cracking a small list of unsalted hashes. Try cracking a larger set of salted hashes, and you'll see why CPU & RAM matter.
 epixoip Hardware 15 31,092 02-11-2016, 08:55 PM
    Thread: First GPU Rig - A few questions
Post: RE: First GPU Rig - A few questions
Your chassis looks nice, well done.  zozeri Wrote: (02-11-2016, 02:55 AM) -- CPU: Intel Celeron G1840 Processor 2.8 GHz RAM: Kingston 4 GB 1600 MHz DDR3 -- ... So, are you building a passw...
 epixoip Hardware 15 31,092 02-11-2016, 03:19 AM
    Thread: First GPU Rig - A few questions
Post: RE: First GPU Rig - A few questions
Yeah, it looks like most of what you've been researching is bitcoin/litecoin mining stuff from 2011-2013. Which can be helpful, but mining is only analogous to one facet of password cracking: single-h...
 epixoip Hardware 15 31,092 02-11-2016, 04:24 AM
    Thread: First GPU Rig - A few questions
Post: RE: First GPU Rig - A few questions
mamexp: Please stop double-posting, this is against the rules. I've already merged four of your posts, if I have to merge another I will ban you. That said, you are correct: I abhor that GrayMatter ...
 epixoip Hardware 15 31,092 02-12-2016, 07:06 AM
    Thread: First GPU Rig - A few questions
Post: RE: First GPU Rig - A few questions
The guide you are following is outdated, it has not been updated in well over a year since most of us abandoned AMD in late 2014. These days if you're using AMD it's easiest to just install 14.04 L...
 epixoip Hardware 15 31,092 02-22-2016, 06:24 AM
    Thread: Best Affordable GPU for oclhashcat Q4'15 ???
Post: RE: Best Affordable GPU for oclhashcat Q4'15 ???
It's not a reference design card. As I said before, not all cards with closed shrouds and centrifugal blowers are reference design cards. It's definitely an OEM design card, IIRC the design is based o...
 epixoip Old oclHashcat Support 20 31,054 09-20-2015, 05:22 AM
    Thread: Best Affordable GPU for oclhashcat Q4'15 ???
Post: RE: Best Affordable GPU for oclhashcat Q4'15 ???
Glad to hear you're liking the MSI GTX 970 4GD5 OC, it's definitely the best OEM design 970 available.
 epixoip Old oclHashcat Support 20 31,054 10-02-2015, 11:55 PM
    Thread: Extracting the passwords from a multiple file wordlist (sed & grep).
Post: RE: Extracting the passwords from a multiple file ...
You can combine your first four commands into a single sed command. Since it appears you have an example that uses multiple nested directories (grep -r) you can use find + sed. And since you used grep...
 epixoip General Talk 12 30,913 06-14-2012, 05:58 PM
    Thread: Extracting the passwords from a multiple file wordlist (sed & grep).
Post: RE: Extracting the passwords from a multiple file ...
M@LIK uses Windows, so his command will not work for you. For instance, ''type'' is like ''cat'' on Windows, whereas in most unix shells ''type'' shows how a command will be interpreted by the shell. ...
 epixoip General Talk 12 30,913 06-14-2012, 08:54 PM
    Thread: Extracting the passwords from a multiple file wordlist (sed & grep).
Post: RE: Extracting the passwords from a multiple file ...
random is easy to generate but hard to detect. humans recognize what appears to be random by identifying that there are no recognizable patterns in the text. programmatically speaking, you have to do ...
 epixoip General Talk 12 30,913 06-16-2012, 11:57 AM
    Thread: Extracting the passwords from a multiple file wordlist (sed & grep).
Post: RE: Extracting the passwords from a multiple file ...
Quote: -- I notice that you are attempting to chop the beginning and end from words to try to remove the "password padding". [...] You could keep chopping bits off until you find a word match I sup...
 epixoip General Talk 12 30,913 06-17-2012, 03:04 PM
    Thread: Keyboard Walks
Post: RE: Keyboard Walks
Thanks for sharing! At first glance this appears to be very well done.
 epixoip User Contributions 11 30,805 08-15-2014, 02:15 PM