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Add parallel flow execution support

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- Add parallel process type
- Implement parallel flow execution
- Add tests for parallel flows
- Update documentation

Fixes #2129

Co-Authored-By: Joe Moura <joao@crewai.com>
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Devin AI
2025-02-14 19:04:05 +00:00
parent 1b488b6da7
commit a34cc7293c
3 changed files with 58 additions and 2 deletions
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docs/concepts/processes.mdx
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@@ -14,6 +14,7 @@ icon: bars-staggered
- **Sequential**: Executes tasks sequentially, ensuring tasks are completed in an orderly progression.
- **Hierarchical**: Organizes tasks in a managerial hierarchy, where tasks are delegated and executed based on a structured chain of command. A manager language model (`manager_llm`) or a custom manager agent (`manager_agent`) must be specified in the crew to enable the hierarchical process, facilitating the creation and management of tasks by the manager.
- **Parallel**: Enables concurrent execution of multiple flows, allowing transitions from one flow to multiple parallel flows for improved task parallelization. Parallel execution is automatically handled using asyncio for optimal performance.
- **Consensual Process (Planned)**: Aiming for collaborative decision-making among agents on task execution, this process type introduces a democratic approach to task management within CrewAI. It is planned for future development and is not currently implemented in the codebase.
## The Role of Processes in Teamwork
@@ -57,9 +58,30 @@ Emulates a corporate hierarchy, CrewAI allows specifying a custom manager agent
## Process Class: Detailed Overview
The `Process` class is implemented as an enumeration (`Enum`), ensuring type safety and restricting process values to the defined types (`sequential`, `hierarchical`). The consensual process is planned for future inclusion, emphasizing our commitment to continuous development and innovation.
The `Process` class is implemented as an enumeration (`Enum`), ensuring type safety and restricting process values to the defined types (`sequential`, `hierarchical`, `parallel`). The consensual process is planned for future inclusion, emphasizing our commitment to continuous development and innovation.
## Parallel Process
The parallel process type enables concurrent execution of multiple flows, leveraging Python's asyncio for efficient task parallelization. When using parallel execution:
- Multiple start methods are executed concurrently
- Listeners can run in parallel when triggered by the same method
- State consistency is maintained through thread-safe operations
- Execution timing and order are preserved where necessary
Example of parallel flow execution:
```python
from crewai import Crew, Process
# Create a crew with parallel process
crew = Crew(
agents=my_agents,
tasks=my_tasks,
process=Process.parallel
)
```
## Conclusion
The structured collaboration facilitated by processes within CrewAI is crucial for enabling systematic teamwork among agents.
This documentation has been updated to reflect the latest features, enhancements, and the planned integration of the Consensual Process, ensuring users have access to the most current and comprehensive information.
This documentation has been updated to reflect the latest features, enhancements, and the planned integration of the Consensual Process, ensuring users have access to the most current and comprehensive information.