HTTP server & framework benchmarks

router.cr benchmark results

router.cr 0.2 is a crystal web framework. At concurrency 64 it serves 161 913 requests per second with a P50 latency of 0.14 ms, ranking 73 of 383 overall and 3 of 12 among crystal frameworks.

Throughput, latency & reliability

All measured metrics for router.cr 0.2, by concurrency level.
MetricConcurrency 64Concurrency 256Concurrency 512
Requests / second161 913165 332145 634
P50 latency0.14 ms0.44 ms1.15 ms
P75 latency0.25 ms1.08 ms3.69 ms
P90 latency0.43 ms4.26 ms10.21 ms
P99 latency6.80 ms16.46 ms27.84 ms
P99.999 latency27.04 ms42.68 ms60.45 ms
Average latency0.40 ms1.55 ms3.48 ms
Minimum latency0.02 ms0.02 ms0.02 ms
Standard deviation1.31 ms3.27 ms5.76 ms
Total requests2 428 7912 480 3002 185 032
Bytes received144.33 MB147.42 MB129.86 MB
HTTP errors000
Request timeouts000
Socket connection errors000
Socket read errors000
Socket write errors000

Position in this benchmark

Position of router.cr on requests per second.
ConcurrencyOverallAmong crystal frameworks
6473 of 3833 of 12
25649 of 3832 of 12
51277 of 3834 of 12

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web frameworks benchmark: #73 of 383

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web frameworks benchmark: #3 of 12 in crystal

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Explore crystal frameworks

Fastest crystal frameworks at concurrency 64.
# Framework Requests / second P50 latency P99 latency HTTP errors
1 toro 0.5 163 514 0.14 ms 6.72 ms 0
2 spider-gazelle 8.2 162 561 0.14 ms 6.47 ms 0
4 runcobo 2 157 140 0.14 ms 6.49 ms 0
5 grip 5 149 928 0.14 ms 7.48 ms 0
6 athena-routing 0.2 146 161 0.14 ms 7.37 ms 0
7 kemal 1.14 143 488 0.14 ms 7.23 ms 0
8 amber 1.5 132 163 0.14 ms 6.41 ms 0
9 orion 3 124 845 0.14 ms 6.28 ms 0
10 marten 0.7 83 529 0.21 ms 8.31 ms 0
11 athena 0.21 74 187 0.34 ms 5.51 ms 0

All 12 crystal frameworks