examples/server/tests/features/parallel.feature

@llama.cpp
@parallel
Feature: Parallel

  Background: Server startup
    Given a server listening on localhost:8080
    And   a model file tinyllamas/split/stories15M-00001-of-00003.gguf from HF repo ggml-org/models
    And   a model file test-model-00001-of-00003.gguf
    And   42 as server seed
    And   128 as batch size
    And   256 KV cache size
    And   2 slots
    And   continuous batching
    Then  the server is starting
    Then  the server is healthy

  Scenario Outline: Multi users completion
    Given a prompt:
      """
      Write a very long story about AI.
      """
    And a prompt:
      """
      Write another very long music lyrics.
      """
    And <n_predict> max tokens to predict
    Given concurrent completion requests
    Then the server is busy
    Then the server is idle
    And  all slots are idle
    Then all prompts are predicted with <n_predict> tokens
    Examples:
      | n_predict |
      | 128       |

  Scenario Outline: Multi users OAI completions compatibility
    Given a system prompt You are a writer.
    And   a model tinyllama-2
    Given a prompt:
      """
      Write a very long book.
      """
    And a prompt:
      """
      Write another a poem.
      """
    And <n_predict> max tokens to predict
    And streaming is <streaming>
    Given concurrent OAI completions requests
    Then the server is busy
    Then the server is idle
    Then all prompts are predicted with <n_predict> tokens
    Examples:
      | streaming | n_predict |
      | disabled  | 128       |
      | enabled   | 64        |

  Scenario Outline: Multi users OAI completions compatibility no v1
    Given a system prompt You are a writer.
    And   a model tinyllama-2
    Given a prompt:
      """
      Write a very long book.
      """
    And a prompt:
      """
      Write another a poem.
      """
    And <n_predict> max tokens to predict
    And streaming is <streaming>
    Given concurrent OAI completions requests no v1
    Then the server is busy
    Then the server is idle
    Then all prompts are predicted with <n_predict> tokens
    Examples:
      | streaming | n_predict |
      | disabled  | 128       |
      | enabled   | 64        |

  Scenario Outline: Multi users with number of prompts exceeding number of slots
    Given a system prompt You are a writer.
    And   a model tinyllama-2
    Given a prompt:
      """
      Write a very long book.
      """
    And a prompt:
      """
      Write another a poem.
      """
    And a prompt:
      """
      What is LLM?
      """
    And a prompt:
      """
      The sky is blue and I love it.
      """
    And <n_predict> max tokens to predict
    And streaming is <streaming>
    Given concurrent OAI completions requests
    Then the server is busy
    Then the server is idle
    Then all prompts are predicted with <n_predict> tokens
    Examples:
      | streaming | n_predict |
      | disabled  | 128       |
      | enabled   | 64        |

  Scenario:  Multi users with total number of tokens to predict exceeds the KV Cache size #3969
    Given a prompt:
      """
      Write a very long story about AI.
      """
    And a prompt:
      """
      Write another very long music lyrics.
      """
    And a prompt:
      """
      Write a very long poem.
      """
    And a prompt:
      """
      Write a very long joke.
      """
    And 128 max tokens to predict
    Given concurrent completion requests
    Then the server is busy
    Then the server is idle
    Then all prompts are predicted