Flow Launcher

The Flow Launcher plugin provides a way to launch application via flow.

Dependency

To use the Flow Launcher, add the following to your TARGETS

//github/facebookresearch/hydra/plugins/hydra_flow_launcher:hydra_flow_launcher

Usage

Add hydra/launcher=flow to your command line. Alternatively, override hydra/launcher in your config:

defaults:
  - hydra/launcher: flow

Discover Flow Launcher's config

$ buck run @mode/opt //path:my_app -- --cfg hydra -p hydra.launcher

# @package hydra.launcher
_target_: hydra_plugins.flow_launcher_plugin.flow_launcher.FlowLauncher
mode: flow
owner: ${oc.env:USER}
entitlement: gpu_pnb_fair
pkg_version: fblearner.flow.canary:19e63cbf9945467281cf681bc8902c50
driver_path: ''
resource_requirements:
  gpu: 0
  cpu: 1
  memory: 10g
  region: null
  capabilities: []
  percent_cpu: null
run_as_secure_group: fair_research_and_engineering
retries: 2
tags: []

The Launcher currently support both par and xar style. You can override resource_requirements just like how you would via flow-cli.

NOTE

Flow launcher only supports @mode/opt.

To run the example application:

buck run @mode/opt  //github/facebookresearch/hydra/plugins/hydra_flow_launcher/example:my_app -- --multirun