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Is this already possible on version 9.1? I cannot find any mention of it on the documentation.
My guess is that it can be achieved by setting different options
for condor_gpu_discovery for each partitionable slot, but I don't
really know how to do that.
>ÂÂIs there a way to specify in the submit file a specific capability or device name while keeping it a single partitionable slot?
We are working on this, but HTCondor can't do this yet.ÂÂ
The next 9.1 release (coming in a few weeks) will have a way to bind specific GPUs to specific static slots or p-slots at the time you configure the Startd; And it can subsequently advertise only the properties for the GPUs that are assigned to that slot. Â
This will allow jobs to use Requirements expressions to match slots that have the desired GPU properties, but It would require that GPU properties by homogeneous with a slot.
That release it will still not have any way for a job to request GPU properties and have the d-slot creation code pay attention to the job request. ÂWe are actively working on this, but do not have a release target for that feature at this time.ÂÂ
-tj
From: HTCondor-users <htcondor-users-bounces@xxxxxxxxxxx> on behalf of Javier Barbero GÃmez <jbarbero@xxxxxx>
Sent: Wednesday, June 30, 2021 5:02 AM
To: htcondor-users@xxxxxxxxxxx <htcondor-users@xxxxxxxxxxx>
Subject: [HTCondor-users] Selecting or partitioning GPUsÂWe have a single machine with 40 CPU cores, 188 GiB of memory and 10 GPUs:
- 4x GeForce RTX 3090 (Compute Capability 8.6)
- 5x GeForce RTX 2080 Ti (Compute Capability 7.5)
- 1x TITAN Xp (Compute Capability 6.1)
Ideally I would like to configure this machine to be a single partitionable slot, where cores, memory and GPUs are allocated as needed into dynamic slots.
Right now, this is the content of /etc/condor/config.d/30-dynamic:
NUM_SLOTS=1
NUM_SLOTS_TYPE_1=1
SLOT_TYPE_1=100%
SLOT_TYPE_1_PARTITIONABLE=true
JOB_DEFAULT_REQUESTMEMORY=4800M
And this is the content of /etc/condor/config.d/60-dynamic:
@use feature : GPUs
GPU_DISCOVERY_EXTRA = -extra -properties
This mostly works, and everything is allocated accordingly, but it is impossible to select based on CUDADeviceName or CUDACapability because they are all heterogeneous and several attributes are assigned to the same slot (CUDA0Capability, CUDA1Capability, CUDA2Capability,...). Is there a way to specify in the submit file a specific capability or device name while keeping it a single partitionable slot?
In case it is not possible I would like to create 3 different partitionable slots, each one including GPUs of the same type. How can I achieve this?
Thank you!
We are using HTCondor 8.8
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