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Thread: Slow VCL speeds
Post: Slow VCL speeds
| As a continuation of this (https://hashcat.net/forum/thread-2750.html) thread, I've got updates...
I'm now running:
Broker- 1U server, 12GB RAM, Mellanox ConnectX-3 QDR Infiniband HCA connected direc... |
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davejcb |
Old oclHashcat Support
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7 |
14,626 |
12-11-2013, 12:03 AM |
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Thread: Slow VCL performance
Post: Slow VCL performance
| Good morning all!
First time poster, been reading for a while...
I set up of small proof of concept VCL setup, currently with the following:
Broker- workstation (Ubuntu 12.04LTS x64, VCL 1.22), 8GB... |
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davejcb |
Very old oclHashcat-plus Support
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5 |
12,365 |
10-29-2013, 03:43 PM |
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Thread: Session / Restore files
Post: Session / Restore files
| Good morning!
I've searched and could not find this- could anyone please explain to me the files involved in oclhashcat sessions? Basically, I'm running a long-ass session using VCL, which is not t... |
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davejcb |
Old oclHashcat Support
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2 |
6,048 |
02-13-2014, 04:39 PM |
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Thread: Salted md5crypt speed question
Post: Salted md5crypt speed question
| Quick question-
I've noticed that if I run a salted ($1$salt$hash) md5crypt hash in mask attack, I only get full speed if I run it by itself, with the single-hash optimizer.
If I run it with ano... |
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davejcb |
Old oclHashcat Support
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3 |
7,398 |
01-28-2014, 09:39 PM |
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Thread: VCL
Post: RE: VCL
| I have VCL 1.22 working with oclhashcat 1.0, see here. (https://hashcat.net/forum/thread-2907.html) |
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davejcb |
Old oclHashcat Support
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3 |
7,573 |
12-23-2013, 04:31 AM |
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Thread: VCL
Post: RE: VCL
| All I can tell you is it's working fine for me as of today- setup was not hard at all, just follow the wiki. |
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davejcb |
Old oclHashcat Support
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3 |
7,573 |
12-23-2013, 07:59 AM |
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Thread: SnuCL
Post: RE: SnuCL
| Yes, please elaborate- VCL has been pissing me off! :( |
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davejcb |
Old oclHashcat Support
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4 |
10,070 |
12-12-2013, 10:05 PM |
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Thread: Slow VCL speeds
Post: RE: Slow VCL speeds
| What kind of performance could I expect with disthc running over Infiniband compared to standalone? Is it designed to work over a high speed/low latency link like VCL is, or is it much different?
T... |
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davejcb |
Old oclHashcat Support
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7 |
14,626 |
12-11-2013, 05:07 AM |
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Thread: Slow VCL speeds
Post: RE: Slow VCL speeds
| Just for the record- I've managed to get ~20 000K/sec over gigabit using VCL, which is the speed I was expecting all along. The trick was ramping up the -n value way up- anything under 300 or 400 was ... |
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davejcb |
Old oclHashcat Support
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7 |
14,626 |
12-18-2013, 11:09 PM |
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Thread: Slow VCL speeds
Post: RE: Slow VCL speeds
| 12GB lasted me ~60 hours, before running out, adding more soon. |
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davejcb |
Old oclHashcat Support
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7 |
14,626 |
12-23-2013, 04:32 AM |
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Thread: Slow VCL speeds
Post: RE: Slow VCL speeds
| If I watch top, the oclhashcat process just consumes more and more memory, starting at ~15%, and steadily consumes until all is exhausted. The rate is about 2%/hr, if I remember correctly.
Not sure... |
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davejcb |
Old oclHashcat Support
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7 |
14,626 |
12-26-2013, 05:15 AM |
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Thread: Slow VCL performance
Post: RE: Slow VCL performance
| Thanks for the reply- I will compare performance with a lower -n value. Would there be any value in going to VCL 1.21?
I noticed that I didn't mention this is a brute-force attack, by the way.
I gue... |
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davejcb |
Very old oclHashcat-plus Support
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5 |
12,365 |
10-29-2013, 07:19 PM |
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Thread: Slow VCL performance
Post: RE: Slow VCL performance
| Interesting results-
-I've reconfigured to run the broker on a compute node with two 7990s
-this connects over gigabit to another compute node with two 6970s
This is a -a 3 -m 500 session (brut... |
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davejcb |
Very old oclHashcat-plus Support
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5 |
12,365 |
11-01-2013, 05:01 PM |
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Thread: Slow VCL performance
Post: RE: Slow VCL performance
| Just as an update to my setup and results-
Broker - now a 1U server with 12GB RAM (getting more soon)
Node 1 - 7990, 6970
Node 2 - 7990, 6970
Network - still dedicated Gb switch
Software- ocl... |
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davejcb |
Very old oclHashcat-plus Support
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5 |
12,365 |
11-22-2013, 11:03 PM |
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Thread: Salted md5crypt speed question
Post: RE: Salted md5crypt speed question
| Makes sense, just wanted to confirm.
Thank you! |
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davejcb |
Old oclHashcat Support
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3 |
7,398 |
01-28-2014, 10:01 PM |
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Thread: Review - AMD Radeon R9 290X
Post: RE: Review - AMD Radeon R9 290X
| Would you be so kind as to post performance results? I'm particularly interested in descrypt and md5crypt.
Thanks! |
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davejcb |
Hardware
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75 |
215,952 |
12-18-2013, 11:12 PM |
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Thread: Review - AMD Radeon R9 290X
Post: RE: Review - AMD Radeon R9 290X
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davejcb |
Hardware
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75 |
215,952 |
12-19-2013, 09:48 PM |
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Thread: Review - AMD Radeon R9 290X
Post: RE: Review - AMD Radeon R9 290X
| Thank you very much!
That's a nice increase on the descrypt, a little disappointing on the md5crypt though! |
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davejcb |
Hardware
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75 |
215,952 |
12-22-2013, 05:04 PM |
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Thread: Proper Airflow and Case Selection
Post: RE: Proper Airflow and Case Selection
| FYI, I have a large Cooler Master case (not sure of model), with 3 Delta 120mm fans (190CFM, 1 intake, 2 exhaust) running a 7990 and a 6970- I am able (in a climate controlled room at ~19C) to keep th... |
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davejcb |
Hardware
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9 |
16,309 |
11-22-2013, 04:05 PM |
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Thread: Proper Airflow and Case Selection
Post: RE: Proper Airflow and Case Selection
| I thought with all the airflow the Delta fans give that it would work with the 7990s; it wasn't even close, overheated within 30 seconds.
7990 on top with a reference 6970 on the bottom works fine, h... |
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davejcb |
Hardware
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9 |
16,309 |
11-25-2013, 05:58 PM |
