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Dasith Wijesiriwardena 8fb8cbec83 [Promptflow Serve] Benchmarking Framework To Measure Throughput of Promptflow Serve (#3486)
# Description

This PR introduces a throughput benchmarking framework for Promptflow
Serve which introduces tests for the following scenarios.

- WSGI + Flask + DAG + Sync Nodes 
- ASGI + FastApi + DAG + Async Nodes
- ASGI + FastApi + Flex Flow + Async Nodes

It uses a minimum example that has a flow as shown below. The scenario
covers 3 parallelly executing nodes (i.e. simulating guardrails) and
upon completion of those, one other node that calls an http endpoint
(i.e. simulating LLM or custom API).


![image](https://github.com/microsoft/promptflow/assets/16128850/1df317d2-c0d0-4f05-8f09-d88190de8601)

The tests are controlled by the configuration parameters in the
`benchmark/promptflow-serve/test_runner/settings.env` file.

The makefile located at `benchmark/promptflow-serve/makefile`

# All Promptflow Contribution checklist:
- [x] **The pull request does not introduce [breaking changes].**
- [x] **CHANGELOG is updated for new features, bug fixes or other
significant changes.**
- [x] **I have read the [contribution guidelines](../CONTRIBUTING.md).**
- [x] **Create an issue and link to the pull request to get dedicated
review from promptflow team. Learn more: [suggested
workflow](../CONTRIBUTING.md#suggested-workflow).**

## General Guidelines and Best Practices
- [x] Title of the pull request is clear and informative.
- [x] There are a small number of commits, each of which have an
informative message. This means that previously merged commits do not
appear in the history of the PR. For more information on cleaning up the
commits in your PR, [see this
page](https://github.com/Azure/azure-powershell/blob/master/documentation/development-docs/cleaning-up-commits.md).

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.

---------

Signed-off-by: Dasith Wijes <git@dasith.me>
2024-07-02 11:01:05 +08:00

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"context": ".",
"dockerFile": "Dockerfile",
"runArgs": ["-v", "/var/run/docker.sock:/var/run/docker.sock"],
"remoteEnv": {
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// Set *default* container specific settings.json values on container create.
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"extensions": [
"ms-python.python",
"ms-toolsai.vscode-ai",
"ms-toolsai.jupyter",
"redhat.vscode-yaml",
"prompt-flow.prompt-flow"
]
}
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