[jira] [Created] (SINGA-419) [Rafiki V0.0.8] Add GPU-aware placement (+ model knobs and logging API changes)

["Ngin Yun Chuan (JIRA)" <ji...@apache.org>]

Ngin Yun Chuan created SINGA-419:
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             Summary: [Rafiki V0.0.8] Add GPU-aware placement (+ model knobs and logging API changes)
                 Key: SINGA-419
                 URL: https://issues.apache.org/jira/browse/SINGA-419
             Project: Singa
          Issue Type: New Feature
            Reporter: Ngin Yun Chuan


With reference to https://github.com/nginyc/rafiki/pull/79.

Consolidates changes from branches `improve_knob_api` and `improve_model_logging` reviewed by [~wangwei].

The new docs for this PR are available at https://nginyc.github.io/rafiki/docs/0.0.8.

GPU-aware placement: 
- Uses [Docker Swarm placement constraints](https://docs.docker.com/engine/swarm/services/#placement-constraints)
- https://nginyc.github.io/rafiki/docs/0.0.8/docs/src/dev/setup.html#adding-nodes-to-rafiki
- https://github.com/nginyc/rafiki/blob/add_gpu_aware_placement/scripts/setup_node.sh

Model knobs configuration changes:
- https://nginyc.github.io/rafiki/docs/0.0.8/docs/src/user/creating-models.html#implementing-models
- https://nginyc.github.io/rafiki/docs/0.0.8/docs/src/python/rafiki.model.html#knob-types
-https://github.com/nginyc/rafiki/blob/add_gpu_aware_placement/examples/models/image_classification/TfFeedForward.py

Model logging API changes:
- https://nginyc.github.io/rafiki/docs/0.0.8/docs/src/user/creating-models.html#logging-in-models
- https://nginyc.github.io/rafiki/docs/0.0.8/docs/src/python/rafiki.model.html#rafiki.model.ModelLogger
- https://github.com/nginyc/rafiki/blob/add_gpu_aware_placement/examples/models/image_classification/TfFeedForward.py




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