Almost HALF speeds on 8 V100 GCP

[Ngel]

can you post the output of

Code:

hashcat -m 1000 -b

?

it's also worth testing with the beta version from https://hashcat.net/beta/ or even testing with CUDA (you need to install the CUDA SDK for that AND use the latest BETA version, at the moment of this writing)

but it's unlikely that the hashcat version (further older version can be downloaded and tested from https://hashcat.net/hashcat) matters that much... it's much more likely that you are comparing incorrectly or the problem that you are not using a bare machine, but a virtual machine instead

Code:

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nvmlDeviceGetFanSpeed(): Not Supported
nvmlDeviceGetFanSpeed(): Not Supported
nvmlDeviceGetFanSpeed(): Not Supported
nvmlDeviceGetFanSpeed(): Not Supported
nvmlDeviceGetFanSpeed(): Not Supported
nvmlDeviceGetFanSpeed(): Not Supported
OpenCL Platform #1: NVIDIA Corporation
======================================
* Device #1: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #2: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #3: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #4: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #5: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #6: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #7: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
* Device #8: Tesla V100-SXM2-16GB, 4040/16160 MB allocatable, 80MCU
Benchmark relevant options:
===========================
* --optimized-kernel-enable
Hashmode: 1000 - NTLM
Speed.#1.........: 56682.1 MH/s (7.62ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#2.........: 55677.0 MH/s (7.62ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#3.........: 55006.2 MH/s (7.60ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#4.........: 55459.1 MH/s (7.64ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#5.........: 56350.3 MH/s (7.63ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#6.........: 56351.1 MH/s (7.63ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#7.........: 54260.2 MH/s (7.63ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#8.........: 56107.3 MH/s (7.62ms) @ Accel:32 Loops:1024 Thr:256 Vec:2
Speed.#*.........:  445.9 GH/s
Started: Fri Nov 22 21:09:45 2019
Stopped: Fri Nov 22 21:10:12 2019
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