Granian benchmarks

VS 3rd party comparison

Run at: Wed 21 May 2025, 00:21
Environment: AMD Ryzen 7 5700X @ Ubuntu 24.04 (CPUs: 16)
Python version: 3.12
Granian version: 2.3.1

Note: unless otherwise specified, all benchmarks are run with 1 server worker and 1 thread.

ASGI

Server	Total requests	RPS	avg latency	max latency
Granian Asgi get 10KB (c128)	1209492	121065	1.056ms	21.722ms
Granian Asgi echo 10KB (iter) (c256)	604180	60601	4.218ms	33.901ms
Uvicorn H11 get 10KB (c64)	95321	9532	6.707ms	16.222ms
Uvicorn H11 echo 10KB (iter) (c64)	83145	8315	7.682ms	22.916ms
Uvicorn Httptools get 10KB (c128)	396594	39694	3.22ms	16.505ms
Uvicorn Httptools echo 10KB (iter) (c128)	349481	34974	3.652ms	17.761ms
Hypercorn get 10KB (c128)	65706	6575	19.43ms	192.337ms
Hypercorn echo 10KB (iter) (c128)	57788	5784	22.07ms	187.016ms

WSGI

Server	Total requests	RPS	avg latency	max latency
Granian Wsgi get 10KB (c64)	1234817	123487	0.517ms	3.097ms
Granian Wsgi echo 10KB (iter) (c64)	866084	86606	0.738ms	3.67ms
Gunicorn Gthread get 10KB (c64)	63449	6345	10.068ms	13.108ms
Gunicorn Gthread echo 10KB (iter) (c64)	44999	4500	14.192ms	25.237ms
Gunicorn Gevent get 10KB (c64)	94102	9411	3.541ms	7460.271ms
Gunicorn Gevent echo 10KB (iter) (c64)	63017	6302	4.813ms	7860.646ms
Uwsgi get 10KB (c64)	165575	16558	3.858ms	5.763ms
Uwsgi echo 10KB (iter) (c256)	193382	19386	10.264ms	6588.85ms

HTTP/2

Server	Total requests	RPS	avg latency	max latency
Granian Asgi get 10KB (c64)	670752	67079	0.952ms	4.25ms
Granian Asgi echo 10KB (iter) (c512)	122105	12274	41.544ms	157.271ms
Hypercorn get 10KB (c128)	41415	4143	30.809ms	399.949ms
Hypercorn echo 10KB (iter) (c128)	31932	3195	39.934ms	82.546ms

ASGI file responses

Server	Total requests	RPS	avg latency	max latency
Granian (pathsend) (c128)	500730	50116	2.55ms	30.838ms
Uvicorn H11 (c128)	95279	9533	13.408ms	317.559ms
Uvicorn Httptools (c64)	151960	15196	4.204ms	10.432ms
Hypercorn (c128)	65378	6542	19.515ms	30.242ms

Long I/O

Plain text response comparison simulating long I/O waits (10ms and 100ms).

Server	Total requests	RPS	avg latency	max latency
Granian Rsgi 10ms (c512)	469509	47111	10.849ms	79.164ms
Granian Rsgi 100ms (c512)	50291	5054	100.853ms	104.491ms
Granian Asgi 10ms (c512)	463502	46495	10.99ms	61.469ms
Granian Asgi 100ms (c512)	50284	5050	101.0ms	104.911ms
Granian Wsgi 10ms (c512)	418746	42024	12.165ms	47.537ms
Granian Wsgi 100ms (c512)	50294	5051	100.391ms	104.889ms
Uvicorn Httptools 10ms (c512)	310265	31111	16.425ms	153.543ms
Uvicorn Httptools 100ms (c512)	50276	5046	100.763ms	108.566ms
Hypercorn 10ms (c128)	64491	6456	19.781ms	194.227ms
Hypercorn 100ms (c128)	64360	6441	19.829ms	190.223ms
Gunicorn Gevent 10ms (c128)	85902	8598	14.86ms	26.707ms
Gunicorn Gevent 100ms (c512)	50288	5052	100.758ms	138.529ms
Uwsgi 10ms (c512)	163394	16412	20.75ms	7610.089ms
Uwsgi 100ms (c128)	164639	16474	7.696ms	3354.149ms

Websockets

Websocket broadcasting comparison with concurrent clients sending a predefined amount of messages and receiving those messages from all the connected clients. The benchmark takes the time required for the test to run and compute the relevant throughput (in messages per second).

Clients	Server	Send throughput	Receive throughput	Combined throughput
8	Granian Rsgi	1022244	213279	239939
8	Granian Asgi	1029782	216303	243341
8	Uvicorn H11	610660	125721	141436
8	Hypercorn	580836	90975	102347
16	Granian Rsgi	1937499	226845	241023
16	Granian Asgi	1935757	226807	240983
16	Uvicorn H11	1261027	128309	136329
16	Hypercorn	1248253	98296	104439
32	Granian Rsgi	3572750	225997	233059
32	Granian Asgi	3597453	225285	232325
32	Uvicorn H11	N/A	N/A	N/A
32	Hypercorn	N/A	N/A	N/A

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