kemal 1.13 benchmark results

kemal 1.13 is a crystal web framework. At concurrency 64 it serves 100 892 requests per second with a P50 latency of 0.49 ms, ranking 174 of 358 overall and 4 of 12 among crystal frameworks.

Language: crystal 1.21
Framework version: 1.13
Website: https://kemalcr.com
Open in the interactive charts: compare kemal

All measured metrics for kemal 1.13, by concurrency level.
Metric	Concurrency 64	Concurrency 256	Concurrency 512
Requests / second	100 892	80 549	74 509
P50 latency	0.49 ms	3.12 ms	7.05 ms
P75 latency	0.96 ms	4.28 ms	8.44 ms
P90 latency	1.34 ms	5.03 ms	9.47 ms
P99 latency	2.06 ms	6.66 ms	13.30 ms
P99.999 latency	3.27 ms	15.12 ms	19.57 ms
Average latency	0.63 ms	3.17 ms	6.82 ms
Minimum latency	0.02 ms	0.02 ms	0.02 ms
Standard deviation	0.49 ms	1.47 ms	2.55 ms
Total requests	1 513 439	1 208 408	1 117 963
Bytes received	179.43 MB	143.28 MB	132.56 MB
HTTP errors	0	0	0
Request timeouts	0	0	0
Socket connection errors	0	0	0
Socket read errors	0	0	0
Socket write errors	0	0	0

Rank

Position of kemal on requests per second.
Concurrency	Overall	Among crystal frameworks
64	174 of 358	4 of 12
256	219 of 358	7 of 12
512	229 of 358	9 of 12

Other crystal frameworks

Fastest crystal frameworks at concurrency 64.
#	Framework	Requests / second	P50 latency	P99 latency
1	marten 0.6	116 524	0.38 ms	2.34 ms
2	runcobo 2	104 584	0.49 ms	1.87 ms
3	toro 0.5	102 349	0.53 ms	1.87 ms
5	spider-gazelle 8.1	100 293	0.54 ms	1.91 ms
6	orion 3	99 793	0.49 ms	2.16 ms
7	router.cr 0.2	99 692	0.55 ms	1.93 ms
8	athena-routing 0.2	98 776	0.52 ms	2.06 ms
9	grip 5	98 077	0.56 ms	1.95 ms
10	amber 1.5	97 511	0.51 ms	2.11 ms
11	athena 0.21	95 029	0.50 ms	2.70 ms

All 12 crystal frameworks