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Add FastAPI HTTP request benchmark #440

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Merged
savannahostrowski merged 11 commits into from
Dec 16, 2025
Merged

Add FastAPI HTTP request benchmark #440

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e2a459e
Add FastAPI HTTP request benchmark
savannahostrowski Nov 6, 2025
3cef6be
Add new line
savannahostrowski Nov 6, 2025
1a172af
Use tabs in MANIFEST
savannahostrowski Nov 6, 2025
6f5bcfe
Remove extraneous pinned deps
savannahostrowski Nov 6, 2025
556e08f
Syntax cleanup
savannahostrowski Nov 6, 2025
3d56992
Restructure to remove server config from timing
savannahostrowski Dec 11, 2025
28148ed
Use polling
savannahostrowski Dec 11, 2025
5b14cad
Cleanup
savannahostrowski Dec 11, 2025
fa4e05f
Move setup
savannahostrowski Dec 11, 2025
38b1567
Remove setup to function
savannahostrowski Dec 11, 2025
1cdece8
Merge branch 'main' into fastapi
savannahostrowski Dec 16, 2025
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Move setup
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@savannahostrowski
savannahostrowski committed Dec 11, 2025
commit fa4e05f08a8c4959586be0eb8eec1d7af25baadc
42 changes: 22 additions & 20 deletions pyperformance/data-files/benchmarks/bm_fastapi/run_benchmark.py
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Original file line number Diff line number Diff line change
Expand Up @@ -43,26 +43,14 @@ async def get_item(item_id: int):
}


def bench_fastapi(loops):
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind((HOST, 0))
s.listen(1)
port = s.getsockname()[1]

config = uvicorn.Config(app, host=HOST, port=port, log_level="error")
server = uvicorn.Server(config)

def bench_fastapi(loops, url):
async def run_benchmark():
server_task = asyncio.create_task(server.serve())
while not server.started:
await asyncio.sleep(0.01)

async with httpx.AsyncClient() as client:
t0 = pyperf.perf_counter()

for i in range(loops):
tasks = [
client.get(f"http://{HOST}:{port}/items/{i}")
client.get(f"{url}/items/{i}")
for _ in range(CONCURRENCY)
]
responses = await asyncio.gather(*tasks)
Expand All @@ -72,16 +60,30 @@ async def run_benchmark():
assert data["id"] == i
assert "tags" in data

elapsed = pyperf.perf_counter() - t0

server.should_exit = True
await server_task
return elapsed
return pyperf.perf_counter() - t0

return asyncio.run(run_benchmark())


if __name__ == "__main__":
import threading

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.bind((HOST, 0))
s.listen(1)
port = s.getsockname()[1]

config = uvicorn.Config(app, host=HOST, port=port, log_level="error")
server = uvicorn.Server(config)

server_thread = threading.Thread(target=server.run, daemon=True)
server_thread.start()

while not server.started:
pass

url = f"http://{HOST}:{port}"

runner = pyperf.Runner()
runner.metadata['description'] = "Test the performance of HTTP requests with FastAPI"
runner.bench_time_func("fastapi_http", bench_fastapi)
runner.bench_time_func("fastapi_http", bench_fastapi, url)
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