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Hi
I am running Ubunto 18.04 server version on msi  X470 motherboard with a  AMD Ryzen 5 2600 Six-Core Processor and rx 570 GPU.  I have installed the ROCM drivers according to their instructions and that installed with no issues, i tested the ROCM install with their helloworld app and that works fine. However when i run Hashcat i get the following error

* Update your OpenCL runtime / driver the right way:
 
  https://hashcat.net/faq/wrongdriver

It is running but considerably slower than it should do.

Any ideas on how to fix this would be greatly appreciated.
(12-15-2018, 04:24 PM)sae Wrote: [ -> ]It is running but considerably slower than it should do.

What do you mean by this? And give an example of how you are using hashcat for us to help. Just run a benchmark and that'll help determine if your setup is working properly.
(12-16-2018, 01:31 AM)slyexe Wrote: [ -> ]
(12-15-2018, 04:24 PM)sae Wrote: [ -> ]It is running but considerably slower than it should do.

What do you mean by this? And give an example of how you are using hashcat for us to help. Just run a benchmark and that'll help determine if your setup is working properly.

Hi Thanks

ok i have two rx570 currently in my system

here are the rates 

Speed.Dev.#1.....:   181.8 kH/s (10.65ms)
Speed.Dev.#2.....:   168.2 kH/s (11.38ms)
Speed.Dev.#*.....:   350.2 kH/s

for m 2500 wpa2 

Hashcat reports

Cracking performance lower than expected?
* Append -w 3 to the commandline.
  This can cause your screen to lag.
* Update your OpenCL runtime / driver the right way:
  https://hashcat.net/faq/wrongdriver
* Create more work items to make use of your parallelization power:
  https://hashcat.net/faq/morework
What's your commandline?
The hashrates looks okay for your old card.
sudo hashcat -a 0 -m 2500 wpa06-01.hccapx rockyou.txt -r /usr/share/hashcat/rules/best64.rule -D 2

the rx570 are less than 2 years old but looking at google people are running in the MH rather than KH range, i do actually have 5 of them as this was originally a mining machine but upgraded the mother board and cpu in order to use the ROCM drivers
are you sure that the MH/s are for a single card and for -m 2500 = WPA/WPA2 ?
That's probably not correct. Can you give a link to these benchmarks ?

Of course if you have 8 x Nvidia GTX 1080 ti the overall speed will be better.

The hashing algorithm matters a lot if it comes to benchmarks/speed, of course.
A benchmark: https://hashcat.net/forum/thread-7827.html

RX570 - WPA-2500: 150kH/s.

So your hashrate looks like okay according to the benchmark mentionned before.
Also note, ROCm example app does not involve OpenCL. There's also clinfo which uses OpenCL. If that works and you can see your device then hashcat should work, too.