john-users - Re: Linux AMDGPU-PRO driver

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Date: Tue, 25 Oct 2016 16:34:11 +0200
From: Luis Rocha <luiscrocha@...il.com>
To: john-users@...ts.openwall.com
Subject: Re: Linux AMDGPU-PRO driver

Hi,

Short update. I got a R9 290x and installed the latest AMDGPU-PRO driver.

$ ./john --list=opencl-devices
Platform #0 name: AMD Accelerated Parallel Processing, version: OpenCL 2.0
AMD-APP (2117.7)
    Device #0 (0) name:     Hawaii
    Device vendor:          Advanced Micro Devices, Inc.
    Device type:            GPU (LE)
    Device version:         OpenCL 1.2 AMD-APP (2117.7)
    Driver version:         2117.7 (VM) - Crimson
    Native vector widths:   char 4, short 2, int 1, long 1
    Preferred vector width: char 4, short 2, int 1, long 1
    Global Memory:          3.0 GB
    Global Memory Cache:    16.0 KB
    Local Memory:           32.0 KB (Local)
    Max memory alloc. size: 2.0 GB
    Max clock (MHz):        555
    Profiling timer res.:   1 ns
    Max Work Group Size:    256
    Parallel compute cores: 14
    Stream processors:      896  (14 x 64)
    Speed index:            497280
    SIMD width:             16
    Wavefront width:        64
    PCI device topology:    01:00.0


Trying incremental mode on raw-sha1 format:

$ ./john /tmp/hashes --format=raw-sha1-opencl --incremental
Device 0: Hawaii
No dupe-checking performed when loading hashes.
Using default input encoding: UTF-8
Loaded 100 password hashes with no different salts (Raw-SHA1-opencl [SHA1
OpenCL])
Build log: /tmp/OCL8719T6.cl:139:18: warning: unknown attribute
'max_constant_size' ignored
                __attribute__((max_constant_size (NUM_INT_KEYS * 4)))
                               ^
1 warning generated.

Press 'q' or Ctrl-C to abort, almost any other key for status
(..)
2g 0:00:00:04  0.4716g/s 2967Kp/s 2967Kc/s 292809KC/s bsmete..1178ds
(..)
14g 0:00:01:01  0.2293g/s 46794Kp/s 46794Kc/s 4202MC/s sialblin..mcrmbako
18g 0:00:02:15  0.1332g/s 51543Kp/s 51543Kc/s 4427MC/s cyrocivy7..br1cumutt


Trying Mask mode on raw-sha1 format:
$ ./john /tmp/hashes --format=raw-sha1-opencl --mask=?a?a?a?a?a?a
Device 0: Hawaii
No dupe-checking performed when loading hashes.
Using default input encoding: UTF-8
Loaded 100 password hashes with no different salts (Raw-SHA1-opencl [SHA1
OpenCL])
Remaining 80 password hashes with no different salts
Build log: /tmp/OCL9642T6.cl:139:18: warning: unknown attribute
'max_constant_size' ignored
                __attribute__((max_constant_size (NUM_INT_KEYS * 4)))
                               ^
1 warning generated.

Press 'q' or Ctrl-C to abort, almost any other key for status

1g 0:00:01:04 18.92% (ETA: 16:26:54) 0.01539g/s 2172Mp/s 2172Mc/s
173261MC/s aE6v{d..a^}51y


Is that warning something of concern?

PS: hashcat on Mask mode on raw-sha1 format is reporting 3534.1 MH/s

Best,
Luis

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