woidda/rust-str_metrics-ruby-benchmark

Do some benchmarks on string metrics implemented in Rust called from Ruby vs native implementation

Some Benchmarks Jaro-Winkler in plain Ruby vs Rust

I played around with rust integration and found a project called str_metrics -- see reddit and wanted to see how fast a native Rust implementation for Jaro-Winkler distance is vs the one shipped in Ruby (used for "did-you-mean" suggestion for typos in methods). I added the Levenshtein distance as well.

The benchmark executes 50 000 times a string comparison and prints out the result. See the benchmark-rust.rb.

Note: You might need to install rust first for your environment if you want to run those benchmarks yourself or adapt it.

Results

ruby benchmark-rust.rb

These report shows the user CPU time, system CPU time, the sum of the user and system CPU times, and the elapsed real time. The unit of time is seconds.
----------
Jarowinkler test short words
----------
str_metrics
  0.278842   0.000000   0.278842 (  0.278858)
ruby
  1.056634   0.003742   1.060376 (  1.061857)
----------
Jarowinkler test longer words
----------
str_metrics
  2.914134   0.000000   2.914134 (  2.914430)
ruby
 79.243360   0.000000  79.243360 ( 79.281593)
----------
----------
Levenshtein test short words
----------
str_metrics
  0.349502   0.000000   0.349502 (  0.349512)
ruby
  3.872907   0.000000   3.872907 (  3.873256)
----------
Levenshtein test longer words
----------
str_metrics
  6.272882   0.000000   6.272882 (  6.279489)
ruby
146.693731   0.027974 146.721705 (146.746541)