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Notesclub

GPT-2

livebooks/gpt2.livemd

GPT-2

Mix.install(
  [
    {:kino_bumblebee, "~> 0.4.0"},
    {:exla, ">= 0.0.0"}
  ],
  config: [nx: [default_backend: EXLA.Backend]]
)

Section

{:ok, model_info} = Bumblebee.load_model({:hf, "gpt2"})
{:ok, tokenizer} = Bumblebee.load_tokenizer({:hf, "gpt2"})
{:ok, generation_config} = Bumblebee.load_generation_config({:hf, "gpt2"})
generation_config = Bumblebee.configure(generation_config, max_new_tokens: 20)

serving =
  Bumblebee.Text.generation(model_info, tokenizer, generation_config,
    compile: [batch_size: 1, sequence_length: 200],
    stream: true,
    defn_options: [compiler: EXLA]
  )

text_input = Kino.Input.textarea("Text", default: "Yesterday, I was reading a book and")
form = Kino.Control.form([text: text_input], submit: "Run")
frame = Kino.Frame.new()

Kino.listen(form, fn %{data: %{text: text}} ->
  Kino.Frame.clear(frame)

  for chunk <- Nx.Serving.run(serving, text) do
    Kino.Frame.append(frame, Kino.Text.new(chunk, chunk: true))
  end
end)

Kino.Layout.grid([form, frame], boxed: true, gap: 16)

Mamba

{:ok, model_info} = Bumblebee.load_model({:hf, "gpt2"})
{:ok, tokenizer} = Bumblebee.load_tokenizer({:hf, "gpt2"})
{:ok, generation_config} = Bumblebee.load_generation_config({:hf, "gpt2"})