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Haskell: Spock vs scotty benchmark
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Spock vs scotty benchmark

Benchmark the two Haskell web frameworks Spock and scotty

How to run

Install wrk HTTP benchmarking tool. On ubuntu run sudo apt install wrk.

> cabal update
> cabal install --only-dependencies
> cabal configure
> cabal build
> dist/build/Spock-scotty-benchmark/Spock-scotty-benchmark spock/scotty
> ./bench.sh

Results

On Arch with an i5 (i5-3317U), requests in 30 seconds, higher is better

Framework GHC Version no regex, no captures simple captures, no regex regex captures
Spock 7.10.1 0.7.10.0 782906 734979 661227
scotty 7.10.1 0.10.1.0 835393 692151 524374

Spock

> ./bench.sh
Benchmarking http://localhost:8080/echo/hello-world (no regex, no captures)
Running 30s test @ http://localhost:8080/echo/hello-world
  8 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    16.85ms   27.80ms 847.75ms   99.31%
    Req/Sec     3.28k   627.05    12.67k    94.91%
  782906 requests in 30.02s, 127.67MB read
Requests/sec:  26077.42
Transfer/sec:      4.25MB
Benchmarking http://localhost:8080/echo/plain/hello (simple captures, no regex)
Running 30s test @ http://localhost:8080/echo/plain/hello
  8 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    18.85ms   39.35ms   1.09s    99.13%
    Req/Sec     3.13k   706.56    10.78k    96.10%
  734979 requests in 30.02s, 115.65MB read
Requests/sec:  24480.10
Transfer/sec:      3.85MB
Benchmarking http://localhost:8080/echo/regex/42 (regex captures)
Running 30s test @ http://localhost:8080/echo/regex/42
  8 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    22.38ms   55.12ms   1.30s    98.94%
    Req/Sec     2.77k   625.44    13.08k    94.20%
  661227 requests in 30.02s, 102.16MB read
Requests/sec:  22024.47
Transfer/sec:      3.40MB

scotty

> ./bench.sh
Benchmarking http://localhost:8080/echo/hello-world (no regex, no captures)
Running 30s test @ http://localhost:8080/echo/hello-world
  8 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    15.87ms   27.48ms 866.32ms   99.32%
    Req/Sec     3.53k   493.42    10.23k    95.83%
  835393 requests in 30.03s, 136.23MB read
Requests/sec:  27820.09
Transfer/sec:      4.54MB
Benchmarking http://localhost:8080/echo/plain/hello (simple captures, no regex)
Running 30s test @ http://localhost:8080/echo/plain/hello
  8 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    19.07ms   30.67ms 955.54ms   99.25%
    Req/Sec     2.90k   550.93    10.98k    95.08%
  692151 requests in 30.02s, 108.91MB read
Requests/sec:  23054.96
Transfer/sec:      3.63MB
Benchmarking http://localhost:8080/echo/regex/42 (regex captures)
Running 30s test @ http://localhost:8080/echo/regex/42
  8 threads and 400 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency    28.64ms   68.53ms   1.52s    98.73%
    Req/Sec     2.25k   589.30    10.99k    95.90%
  524374 requests in 30.02s, 81.01MB read
Requests/sec:  17465.17
Transfer/sec:      2.70MB