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Questions tagged [fb-hydra]

Questions about Hydra, an open source Python framework by Facebook

182 questions
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fb-hydra: How to make inner configurations inherit outer configuration fields PARTLY?

I have 2 configs like, and I want to make inner config PARTLY inherit outer config. Thank you for your help! this is the outer config: # config.yaml defaults: - _self_ - model: pct lr: 1e-3 num_epoch: 200 weight_decay: 5e-4 scheduler_stepsize:…
Alobal
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Overwriting hydra configuration groups from CLI

I am trying to overwrite from the CLI a group of parameters and I am not sure how to do it. The structure of my conf is the following conf ├── config.yaml ├── optimizer │ ├── adamw.yaml │ ├── adam.yaml │ ├── default.yaml │ └── sgd.yaml ├──…
Pietro
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When using the optuna plugin for hydra, can I import the search space from another config file?

I want to hyper-parameter optimize multiple time series forecasting models on the same data. I'm using the Optuna Sweeper plugin for Hydra. The different models have different hyper-parameters and therefore different search spaces. At the moment my…
Datenkrake
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How to properly generate a multi-level composition?

Currently, my hydra config is organized as follows: configs/ ├── config.yaml ├── data │   ├── IMDB.yaml │   └── REUT.yaml └── model ├── BERT.yaml ├── GPT.yaml └── loss ├── CrossEntropyLoss.yaml └──…
Celso França
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Can I get access to the global configs from an arbitrary function in my code?

I apologize in advance if what I'm trying to do is an anti-pattern. I would like to access my global configuration from somewhere in my code where it would be extremely cumbersome to pass the config object that the hydra-decorated main function…
miccio
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How to use callable targets with dataclass arguments in Hydra?

Is it possible to define a target using Structured Configs to avoid redefining all the parameters? def good(config: Config): pass def bad(param1, param2): pass @dataclass class Config: param1 param2 _target_: Any = good #…
Emre
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how can I specify a list on the command line

I have the following configuration with hydra: data_files: null theta: 0.2 use_weights: true I can override this as: python -m apps.test_hydra data.data_files=x However, when I try to specify a list as: python -m apps.test_hydra…
Luca
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How to set up hydra config to accept a custom enum?

How do I set up a my hydra config to accept a custom enum? Specifically I followed the Structured Config Schema tutorial. I have a dataclass config: @dataclass_validate @dataclass class CustomConfig: custom_enum: CustomEnum With the custom…
jlcv
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Hydra: interpolate variable from children node

Given the following config files: # foo/bar.yaml _target_: ChildClass a: 0 b: 1 # config.yaml defaults: - foo: bar.yaml _target_: MainClass c: 2 d: ${foo.a} # this line doesn't work I would like to construct an object of type MainClass, which…
miccio
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Get original Hydra configuration from instantiated config

In Hydra I can automatically instantiate my classes, e.g. _target_: ClassA foo: bar model: _target_: ClassB hello: world which results in recursively instantiated classes like where "inner class" instances are passed to "outer…
Nils Werner
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Multirun with glob on files or folders

Assuming a directory structure like this: /input/files/path /input1 /file1_1.json /file1_2.json /input2 /file2_1.json /someting_unrelated ... I want to run a script that is configured using Hydra several times, each time getting…
Michael Litvin
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Define argument for hydra instantiate target as power of 2

In using instantiation, is there a way to define a parameter for a target that is a power of 2? For example: from sklearn.feature_extraction import HashingVectorizer vec = HashingVectorizer(n_features=2**18) vec.transform(["a quick fox"]) <1x262144…
Grr
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In hydra-python structured configs, how do you interpolate values?

I am using structured config (@dataclass-based) with hydra 1.1 and trying to interpolate some values. Specifically, I would like to set the working directory by substituting some of my config values. I was able to do this consulting the…
nzer0
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overriding the package specified in default list from cli

I am trying to override the package in default list in a hierarchical configuration structure. As a simplified example: I have conf/base.yaml defaults: - _self_ - env@_here_: env1 a: 1 b: 2 conf/env/env1.yaml c: 5 d: 6 and…
Dee
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Remote execution with on a Single node with Multiple GPU

I am looking into documentation for running hydra on a single node remotely. I am looking for methods where I can run a code present in my local machine and to run it on a GCP instance. Any pointers?
Sree Aurovindh
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