un-inception/reports/4.2.3/perf.md

3.5 KiB

Performance Report: 4.2.3

Generated: 2026-01-19T11:58:45Z Pipeline: #11252

Summary

Metric Value
Total Tests 642
Passed 642
Failed 0
Pass Rate 100.0%
Languages 42
Avg Duration 63s
Slowest rust (142s)
Fastest v (40s)

Test Duration by Language

The primary performance metric - how long each language takes to run its full test suite (15 tests per language).

Duration by Language

Key observations:

  • RUST and C are outliers at 90+ seconds
  • Most languages cluster between 20-40 seconds
  • Compiled languages (red) tend to be faster than interpreted (blue)
  • V is the fastest at 40 seconds

Compiled vs Interpreted

Comparing performance between compiled languages (C, Go, Rust, etc.) and interpreted languages (Python, Ruby, JavaScript, etc.).

Category Comparison

Findings:

  • 20 compiled languages vs 22 interpreted
  • Compiled languages have lower median execution time
  • Interpreted languages show more variance (wider spread)
  • The white diamond marks the mean for each category

Duration Distribution

Histogram showing how test durations are distributed across all 42 languages.

Duration Histogram

Distribution analysis:

  • Most languages complete in 20-35 seconds (the peak)
  • Mean (green dashed) and median (blue dotted) are close together
  • Long tail on the right from slow outliers (rust, c)

Speed Leaders

Side-by-side comparison of the 10 slowest and 10 fastest languages.

Speed Leaders

Slowest (left): RUST, C, PYTHON, TYPESCRIPT, JAVASCRIPT Fastest (right): V, D, KOTLIN, AWK, RAKU


Queue vs Execution Time

Scatter plot showing the relationship between CI queue wait time and actual test execution time.

Queue vs Execution

Notes:

  • Queue time is how long the job waited for a runner
  • Most jobs had similar queue times (clustered vertically)
  • Outliers labeled - rust and c took longest to execute regardless of queue time

Dashboard

Summary dashboard combining key metrics and visualizations.

Dashboard


Raw Data

Per-Language Performance

Language Status Duration
rust Passed 142s
c Passed 107s
python Passed 78s
typescript Passed 75s
javascript Passed 75s
ruby Passed 74s
go Passed 74s
php Passed 70s
cpp Passed 70s
elixir Passed 69s
erlang Passed 68s
java Passed 67s
perl Passed 66s
scheme Passed 65s
r Passed 64s
clojure Passed 64s
lua Passed 63s
fortran Passed 63s
deno Passed 62s
zig Passed 61s
tcl Passed 61s
crystal Passed 61s
cobol Passed 61s
groovy Passed 60s
commonlisp Passed 60s
bash Passed 60s
objc Passed 58s
julia Passed 58s
haskell Passed 58s
dart Passed 58s
fsharp Passed 56s
csharp Passed 56s
ocaml Passed 55s
forth Passed 55s
prolog Passed 54s
nim Passed 52s
powershell Passed 51s
raku Passed 50s
awk Passed 48s
kotlin Passed 45s
d Passed 42s
v Passed 40s

Report generated by UN Inception CI pipeline