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Benchmarks

The purpose of this tool is to benchmark the performance of the hermit CLI.This will let us track performance changes from one release to another.

Example of current benchmarks with a VM(4xCPU : Intel(R) Core(TM) i7-10750H CPU @ 2.60GHz, RAM 6GB) :

  • Debug mode
Benching with cat.
Benchmark 1: hermit.com with cat
  Time (mean ± σ):     1737.8 ms ± 103.2 ms    [User: 1725.2 ms, System: 12.1 ms]
  Range (min … max):   1595.7 ms … 1915.7 ms    10 runs

Benching with count_vowels.
Benchmark 1: hermit.com with count_vowels
  Time (mean ± σ):     50272.0 ms ± 2673.0 ms    [User: 50248.9 ms, System: 19.0 ms]
  Range (min … max):   47441.7 ms … 54378.3 ms    10 runs

Benching with cowsay.
Benchmark 1: hermit.com with cowsay
  Time (mean ± σ):     30065.3 ms ± 1294.7 ms    [User: 30047.6 ms, System: 15.0 ms]
  Range (min … max):   28296.4 ms … 32019.9 ms    10 runs
  • Release mode
Benching with cat.
Benchmark 1: hermit.com with cat
  Time (mean ± σ):      46.0 ms ±   4.6 ms   [User: 44.2 ms, System: 1.8 ms]
  Range (min … max):    40.0 ms …  60.3 ms    67 runs

Benching with count_vowels.
Benchmark 1: hermit.com with count_vowels
  Time (mean ± σ):     795.7 ms ±  33.1 ms    [User: 789.6 ms, System: 6.0 ms]
  Range (min … max):   734.3 ms … 841.0 ms    10 runs

Benching with cowsay.
Benchmark 1: hermit.com with cowsay
  Time (mean ± σ):     472.0 ms ±  18.6 ms    [User: 471.0 ms, System: 1.0 ms]
  Range (min … max):   447.8 ms … 508.2 ms    10 runs

Requirements

  • Install Hyperfine : cargo install --locked hyperfine

    More info can be found in installation docs.

  • Build Hermit, preferably in release mode.

Usage

Hermit-cli

Run ./benchmarks/bench-cli.sh, this will run benchmarks using hermit-cli with available samples.

Default samples used during the bench :

You can provide your own samples to benchmark against it :

  • Create a folder under benchmarks/bench-cli/custom/ with the '$name' of your sample (ex.: benchmarks/custom/my_cli)
  • Create a HermitFile under benchmarks/bench-cli/custom/$name/ (ex.: benchmarks/custom/my_cli/HermitFile)
  • Run ./benchmarks/bench-cli.sh --only-custom

Cli binaires produced by Hermit-cli

Run ./benchmarks/bench-artifacts.sh, this will run benchmarks using cli binaries produced by hermit-cli.

Default samples used during the bench :

You can benchmark your own samples, follow instructions provided by: ./benchmarks/bench-artifacts.sh --only-custom