Re: [HTCondor-users] How to use GPU on Windows?

["John (TJ) Knoeller" <johnkn@xxxxxxxxxxx>]

First of all, you need to make sure that that services can see the GPU. In many cases Windows drivers for GPUs
will only allow interactive jobs to use the GPU.

Try running a condor job that executes condor_gpu_discovery and returns its output, if that detects your gpu.
then all you need to do is replace these lines from your configuration

MACHINE_RESOURCE_NAMESÂÂÂ = GPUS
MACHINE_RESOURCE_GPUs = $(LIBEXEC)/condor_gpu_discovery
ENVIRONMENT_FOR_AssignedGPUs = CUDA_VISIBLE_DEVICES

with this one

use Feature : GPUs

(The problem with your current config is that yo need to use MACHINE_RESOURCE_INVENTORY_GPUs,
not MACHINE_RESOURCE_GPUs. use Feature:Gpus expands to this -

>condor_config_val use feature:gpus
use FEATURE:GPUs is
ÂÂÂÂÂÂÂ MACHINE_RESOURCE_INVENTORY_GPUs=$(LIBEXEC)/condor_gpu_discovery -properties $(GPU_DISCOVERY_EXTRA)
ÂÂÂÂÂÂÂ ENVIRONMENT_FOR_AssignedGPUs=GPU_DEVICE_ORDINAL=/(CUDA|OCL)//Â CUDA_VISIBLE_DEVICES
ÂÂÂÂÂÂÂ ENVIRONMENT_VALUE_FOR_UnAssignedGPUs=10000

On 12/20/2014 7:55 PM, èé wrote:

Hi, everybody!

I have one CUDA-supported card on my computer. I try the command "condor_gpu_discovery", and the result is correct.

Now, I want to runÂcondor_gpu_discovery.exe with HTCondor on my computer.

I added some sentences to config files, as follows:

MACHINE_RESOURCE_NAMES Â Â= GPUS

MACHINE_RESOURCE_GPUs = $(LIBEXEC)/condor_gpu_discovery

ENVIRONMENT_FOR_AssignedGPUs = CUDA_VISIBLE_DEVICES

slot_type_1_partitionable = true

slot_type_1 = cpus=$(DETECTED_CORES), mem=$(DETECTED_MEMORY), gpus=auto

num_slots_type_1 = 1

My submit file is like this:

Executable = condor_gpu_discovery.exe

requirements = Machine == "martin-PC"

request_GPUs = 1

Log = CUDA-TRY.log

Output = out.txt

Queue

The task can be run, but the result is "DetectedGPUs=0". No CUDA-supported is identified.Â

I wonder why and how to use GPU on Windows.

Thanks a lot!

Best wishes!

--
Zhen XUÂ

Post doctor

Research interests: Disaster prevention, HPC and VRÂ

Department of Civil EngineeringÂ
Tsinghua University,ÂBeijing 100084,ÂChinaÂ
Email:Âxuzhen@xxxxxxxxxxxxxxx;Âmartin31567@xxxxxxxxx
Tel: +86-10-62782706Â

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