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Ines Montani 2020-08-19 20:37:54 +02:00
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website/docs/usage/training.md
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@ -484,20 +484,21 @@ still look good.
## Custom Functions {#custom-functions}
Registered functions in the training config files can refer to built-in
implementations, but you can also plug in fully custom implementations. To do
so, you first write your own implementation of a custom architectures, data
reader or any other functionality, and then register this function with the
correct [registry](/api/top-level#registry). This allows you to plug in models
defined in PyTorch or Tensorflow, make custom modifications to the `nlp` object,
create custom optimizers or schedules, or write a function that streams in data
and preprocesses it on the fly while training.
implementations, but you can also plug in fully **custom implementations**. All
you need to do is register your function using the `@spacy.registry` decorator
with the name of the respective [registry](/api/top-level#registry), e.g.
`@spacy.registry.architectures`, and a string name to assign to your function.
Registering custom functions allows you to **plug in models** defined in PyTorch
or TensorFlow, make **custom modifications** to the `nlp` object, create custom
optimizers or schedules, or **stream in data** and preprocesses it on the fly
while training.
Each custom function can have any numbers of arguments that should be passed
into them through the config similar as with the built-in functions. If your
function defines **default argument values**, spaCy is able to auto-fill your
config when you run [`init fill-config`](/api/cli#init-fill-config). If you want
to make sure that a given parameter is always explicitely set in the config,
avoid setting a default value for it.
Each custom function can have any numbers of arguments that are passed in via
the [config](#config), just the built-in functions. If your function defines
**default argument values**, spaCy is able to auto-fill your config when you run
[`init fill-config`](/api/cli#init-fill-config). If you want to make sure that a
given parameter is always explicitely set in the config, avoid setting a default
value for it.
<!-- TODO: possibly link to new (not yet created) page on creating models ? -->