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Message-ID: <5a3b729b237242af81b345a3055bab92@integra1.net>
Date: Mon, 6 May 2019 01:11:41 +0000
From: Allen Kayal <AKayal@...egra1.net>
To: "john-users@...ts.openwall.com" <john-users@...ts.openwall.com>
Subject: unexpected benchmarks nvidia 1070 ti and 780 ti
I've noticed inconsistencies after adding a better card to a system. Originally I noticed this on the latest kali linux with 1.80 jumbo. I've since spun up an Ubuntu 19.10 instance with the latest bleeding-jumbo release. Have tried this using nvidia drivers via apt repositories and also installing the latest from nvidia website. Anyone else experience slower than expected benchmarks? I'm not a hashcat user but ran a test to see if differences reported in output
root@...-ubuntu:/usr/src/JohnTheRipper/run# ./john --test=30 --format=nt-opencl --dev=1
Device 1@...-ubuntu: GeForce GTX 1070 Ti
Benchmarking: NT-opencl [MD4 OpenCL]... DONE
Note: This format may also be benchmarked using --mask (see doc/MASK).
Raw: 25032K c/s real, 25040K c/s virtual, Dev#1 util: 13%
root@...-ubuntu:/usr/src/JohnTheRipper/run# ./john --test=30 --format=nt-opencl --dev=2
Device 2@...-ubuntu: GeForce GTX 780 Ti
Benchmarking: NT-opencl [MD4 OpenCL]... DONE
Note: This format may also be benchmarked using --mask (see doc/MASK).
Raw: 24895K c/s real, 24903K c/s virtual
root@...-ubuntu:/usr/src/JohnTheRipper/run# ./john --list=build-info
Version: 1.9.0-jumbo-1-bleeding-1070c8bb3 2019-05-05 11:14:39 +0200
Build: linux-gnu 64-bit x86_64 XOP AC MPI + OMP
SIMD: XOP, interleaving: MD4:2 MD5:2 SHA1:1 SHA256:2 SHA512:1
CPU tests: XOP
$JOHN is ./
Format interface version: 14
Max. number of reported tunable costs: 4
Rec file version: REC4
Charset file version: CHR3
CHARSET_MIN: 1 (0x01)
CHARSET_MAX: 255 (0xff)
CHARSET_LENGTH: 24
SALT_HASH_SIZE: 1048576
SINGLE_IDX_MAX: 2147483648
SINGLE_BUF_MAX: 4294967295
Effective limit: Number of salts vs. SingleMaxBufferSize
Max. Markov mode level: 400
Max. Markov mode password length: 30
gcc version: 8.3.0
GNU libc version: 2.28 (loaded: 2.29)
OpenCL headers version: 1.2
Crypto library: OpenSSL
OpenSSL library version: 01010100f (loaded: 01010102f)
OpenSSL 1.1.1 11 Sep 2018 (loaded: OpenSSL 1.1.1b 26 Feb 2019)
GMP library version: 6.1.2
File locking: fcntl()
fseek(): fseek
ftell(): ftell
fopen(): fopen
memmem(): System's
root@...-ubuntu:/usr/src/JohnTheRipper/run# hashcat -b -m 1000
hashcat (v5.1.0) starting in benchmark mode...
OpenCL Platform #1: NVIDIA Corporation
======================================
* Device #1: GeForce GTX 1070 Ti, 2029/8116 MB allocatable, 19MCU
* Device #2: GeForce GTX 780 Ti, 755/3022 MB allocatable, 15MCU
OpenCL Platform #2: The pocl project
====================================
* Device #3: pthread-AMD FX(tm)-8300 Eight-Core Processor, skipped.
Benchmark relevant options:
===========================
* --optimized-kernel-enable
Hashmode: 1000 - NTLM
Speed.#1.........: 41779.6 MH/s (59.76ms) @ Accel:128 Loops:1024 Thr:1024 Vec:2
Speed.#2.........: 12887.9 MH/s (77.20ms) @ Accel:128 Loops:512 Thr:1024 Vec:4
Speed.#*.........: 54667.5 MH/s
Started: Sun May 5 21:08:02 2019
Stopped: Sun May 5 21:08:20 2019
root@...-ubuntu:/usr/src/JohnTheRipper/run# nvidia-smi
Sun May 5 21:08:38 2019
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 430.09 Driver Version: 430.09 CUDA Version: 10.1 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 107... Off | 00000000:01:00.0 Off | N/A |
| 11% 55C P0 38W / 180W | 0MiB / 8116MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 1 GeForce GTX 780 Ti Off | 00000000:02:00.0 N/A | N/A |
| 34% 40C P0 N/A / N/A | 0MiB / 3022MiB | N/A Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| 1 Not Supported |
+-----------------------------------------------------------------------------+
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