perf - Add performance report for 4.2.20 [ci skip]

reports/4.2.20/perf.json

@@ -0,0 +1,407 @@
+{
+    "tag": "4.2.20",
+    "generated_at": "2026-01-23T20:41:23Z",
+    "parent_pipeline_id": 12239,
+    "child_pipeline_id": 12241,
+    "summary": {
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+        "passed_tests": 685,
+        "failed_tests": 0,
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+        "passed_languages": 43,
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+        "min_duration_seconds": 49,
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reports/4.2.20/perf.md

@@ -0,0 +1,146 @@
+# Performance Report: 4.2.20
+
+**Generated:** 2026-01-23T20:41:23Z
+**Pipeline:** [#12241](https://git.unturf.com/engineering/unturf/un-inception/-/pipelines/12241)
+
+## Summary
+
+| Metric | Value |
+|--------|-------|
+| Total Tests | 685 |
+| Passed | 685 |
+| Failed | 0 |
+| Pass Rate | 100.0% |
+| Languages | 43 |
+| Avg Duration | 114s |
+| Slowest | java (272s) |
+| Fastest | crystal (49s) |
+
+---
+
+## 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](chart-duration-by-language.png)
+
+**Key observations:**
+- **JAVA** and **ZIG** are outliers at 90+ seconds
+- Most languages cluster between 20-40 seconds
+- Compiled languages (red) tend to be faster than interpreted (blue)
+- **CRYSTAL** is the fastest at 49 seconds
+
+---
+
+## Compiled vs Interpreted
+
+Comparing performance between compiled languages (C, Go, Rust, etc.) and interpreted languages (Python, Ruby, JavaScript, etc.).
+
+![Category Comparison](chart-category-comparison.png)
+
+**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 43 languages.
+
+![Duration Histogram](chart-duration-histogram.png)
+
+**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 (java, zig)
+
+---
+
+## Speed Leaders
+
+Side-by-side comparison of the 10 slowest and 10 fastest languages.
+
+![Speed Leaders](chart-speed-leaders.png)
+
+**Slowest (left):** JAVA, ZIG, COBOL, PERL, HASKELL
+**Fastest (right):** CRYSTAL, DENO, V, R, CSHARP
+
+---
+
+## Queue vs Execution Time
+
+Scatter plot showing the relationship between CI queue wait time and actual test execution time.
+
+![Queue vs Execution](chart-queue-vs-execution.png)
+
+**Notes:**
+- Queue time is how long the job waited for a runner
+- Most jobs had similar queue times (clustered vertically)
+- Outliers labeled - java and zig took longest to execute regardless of queue time
+
+---
+
+## Dashboard
+
+Summary dashboard combining key metrics and visualizations.
+
+![Dashboard](chart-dashboard.png)
+
+---
+
+## Raw Data
+
+### Per-Language Performance
+
+| Language | Status | Duration |
+|----------|--------|----------|
+| java | Passed | 272s |
+| zig | Passed | 224s |
+| cobol | Passed | 198s |
+| perl | Passed | 191s |
+| haskell | Passed | 187s |
+| bash | Passed | 186s |
+| objc | Passed | 155s |
+| raku | Passed | 154s |
+| elixir | Passed | 150s |
+| awk | Passed | 145s |
+| c | Passed | 144s |
+| rust | Passed | 142s |
+| fortran | Passed | 139s |
+| typescript | Passed | 138s |
+| lua | Passed | 133s |
+| dart | Passed | 127s |
+| go | Passed | 126s |
+| kotlin | Passed | 109s |
+| cpp | Passed | 107s |
+| nim | Passed | 103s |
+| d | Passed | 99s |
+| commonlisp | Passed | 99s |
+| ocaml | Passed | 98s |
+| dotnet | Passed | 94s |
+| prolog | Passed | 91s |
+| ruby | Passed | 89s |
+| python | Passed | 88s |
+| javascript | Passed | 87s |
+| julia | Passed | 86s |
+| php | Passed | 84s |
+| tcl | Passed | 80s |
+| erlang | Passed | 79s |
+| scheme | Passed | 75s |
+| groovy | Passed | 75s |
+| clojure | Passed | 75s |
+| fsharp | Passed | 73s |
+| forth | Passed | 73s |
+| powershell | Passed | 72s |
+| csharp | Passed | 58s |
+| r | Passed | 57s |
+| v | Passed | 56s |
+| deno | Passed | 56s |
+| crystal | Passed | 49s |
+
+---
+
+*Report generated by UN Inception CI pipeline*

reports/4.2.20/pool-metrics.json

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+        "stdev": 2.89
+      },
+      "sample_count": 43
+    }
+  ]
+}

reports/4.2.20/raw-pools.csv

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reports/4.2.20/raw-samples.csv

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+1769200762,24.37,30.9,23.77,130.4,258.2,34.5,303,7,3,3926,200
+1769200771,24.33,30.63,23.8,130.4,258.2,34.5,302,11,3,3141,200
+1769200780,22.54,30.15,23.68,130.1,258.5,34.4,305,10,0,457,200
+1769200786,21.3,29.77,23.6,130.1,258.4,34.4,304,7,1,3989,200
+1769200795,20.51,29.31,23.51,130.1,258.4,34.4,304,9,1,1440,200
+1769200802,18.94,28.84,23.39,130.1,258.5,34.4,304,9,0,207,200

reports/PERFORMANCE-HISTORY.md

@@ -24,3 +24,4 @@ Tracking compile and test execution times across releases.
 | 4.2.17 | 2026-01-23 | 665 | 100.0% | 104s | ruby | objc |
 | 4.2.18 | 2026-01-23 | 665 | 100.0% | 100s | r | scheme |
 | 4.2.19 | 2026-01-23 | 701 | 100.0% | 151s | lua | dart |
+| 4.2.20 | 2026-01-23 | 685 | 100.0% | 114s | java | crystal |