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From Kevin Klues <klue...@gmail.com>
Subject Review Request 48915: Added an example framework for consuming GPUs.
Date Sat, 18 Jun 2016 22:12:57 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/48915/
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Review request for mesos and Benjamin Mahler.


Bugs: MESOS-5649
    https://issues.apache.org/jira/browse/MESOS-5649


Repository: mesos


Description
-------

This framework is designed to show how to build a GPU capable
framework that can accept offers with GPUs and launch tasks that use
them. The key thing to remember is that the GPU_RESOURCES capability
must be set in `FrameworkInfo` in order for a framework to receive
resource offers from agents that contain GPUs.


Diffs
-----

  src/Makefile.am a4931560f1a5b3fbe41ea181477341d3ac459b58 
  src/examples/gpu_framework.cpp PRE-CREATION 

Diff: https://reviews.apache.org/r/48915/diff/


Testing
-------

Run a master and an agent capable of handing out GPUs:
```
$ sudo bin/mesos-master.sh --ip=127.0.0.1 --log_dir=/var/log/mesos --work_dir=/var/lib/mesos
$ sudo bin/mesos-agent.sh --master=127.0.0.1:5050 --ip=127.0.0.1 --log_dir=/var/log/mesos
--work_dir=/var/lib/mesos
                          --isolation="cgroups/devices,gpu/nvidia"
```

Run a couple of instances of the framework and verify the correct output:
```
$ ./src/gpu-framework --master=127.0.0.1:5050 --num_gpus=0
$ ./src/gpu-framework --master=127.0.0.1:5050 --num_gpus=1
$ ./src/gpu-framework --master=127.0.0.1:5050 --num_gpus=4
$ ./src/gpu-framework --master=127.0.0.1:5050 --no-allow_gpus --num_gpus=1
```


Thanks,

Kevin Klues


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