Add CLAUDE.md

[penelopeysm]

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Benchmark Report

• this PR's head: 99af9c065a9b401f6e1987e816c8233d6722e812
• base branch: 7d8536659fe012824bac28315788b545c291435a

Computer Information

Julia Version 1.11.9
Commit 53a02c0720c (2026-02-06 00:27 UTC)
Build Info:
  Official https://julialang.org/ release
Platform Info:
  OS: Linux (x86_64-linux-gnu)
  CPU: 4 × AMD EPYC 9V74 80-Core Processor
  WORD_SIZE: 64
  LLVM: libLLVM-16.0.6 (ORCJIT, znver4)
Threads: 1 default, 0 interactive, 1 GC (on 4 virtual cores)

Benchmark Results

┌───────────────────────┬───────┬─────────────┬────────┬───────────────────────────────┬────────────────────────────┬─────────────────────────────────┐
│                       │       │             │        │       t(eval) / t(ref)        │     t(grad) / t(eval)      │        t(grad) / t(ref)         │
│                       │       │             │        │ ─────────┬──────────┬──────── │ ───────┬─────────┬──────── │ ──────────┬───────────┬──────── │
│                 Model │   Dim │  AD Backend │ Linked │     base │  this PR │ speedup │   base │ this PR │ speedup │      base │   this PR │ speedup │
├───────────────────────┼───────┼─────────────┼────────┼──────────┼──────────┼─────────┼────────┼─────────┼─────────┼───────────┼───────────┼─────────┤
│               Dynamic │    10 │    mooncake │   true │   268.63 │   273.58 │    0.98 │   8.70 │    7.40 │    1.18 │   2338.08 │   2023.80 │    1.16 │
│                   LDA │    12 │ reversediff │   true │  2505.86 │  2531.37 │    0.99 │   2.17 │    1.95 │    1.11 │   5432.15 │   4929.79 │    1.10 │
│   Loop univariate 10k │ 10000 │    mooncake │   true │ 30473.57 │ 29393.51 │    1.04 │   7.21 │    8.27 │    0.87 │ 219785.70 │ 242943.33 │    0.90 │
├───────────────────────┼───────┼─────────────┼────────┼──────────┼──────────┼─────────┼────────┼─────────┼─────────┼───────────┼───────────┼─────────┤
│    Loop univariate 1k │  1000 │    mooncake │   true │  3095.42 │  3890.89 │    0.80 │   7.01 │    6.24 │    1.12 │  21712.18 │  24294.63 │    0.89 │
│      Multivariate 10k │ 10000 │    mooncake │   true │ 33250.16 │ 35458.93 │    0.94 │  10.51 │    8.81 │    1.19 │ 349571.17 │ 312339.87 │    1.12 │
│       Multivariate 1k │  1000 │    mooncake │   true │  4111.24 │  4293.48 │    0.96 │   8.31 │    7.62 │    1.09 │  34166.25 │  32707.34 │    1.04 │
├───────────────────────┼───────┼─────────────┼────────┼──────────┼──────────┼─────────┼────────┼─────────┼─────────┼───────────┼───────────┼─────────┤
│ Simple assume observe │     1 │ forwarddiff │  false │     0.88 │     0.89 │    0.98 │  10.43 │   11.09 │    0.94 │      9.14 │      9.88 │    0.93 │
│           Smorgasbord │   201 │ forwarddiff │  false │   955.39 │   931.34 │    1.03 │ 146.64 │   77.24 │    1.90 │ 140100.63 │  71935.87 │    1.95 │
│           Smorgasbord │   201 │      enzyme │   true │  1299.30 │  1267.41 │    1.03 │   4.88 │    4.51 │    1.08 │   6340.85 │   5718.89 │    1.11 │
├───────────────────────┼───────┼─────────────┼────────┼──────────┼──────────┼─────────┼────────┼─────────┼─────────┼───────────┼───────────┼─────────┤
│           Smorgasbord │   201 │ forwarddiff │   true │  1310.25 │  1289.10 │    1.02 │  70.42 │   70.66 │    1.00 │  92267.11 │  91089.56 │    1.01 │
│           Smorgasbord │   201 │    mooncake │   true │  1290.28 │  1713.65 │    0.75 │   5.21 │    3.66 │    1.43 │   6728.56 │   6267.04 │    1.07 │
│           Smorgasbord │   201 │ reversediff │   true │  1298.30 │  1262.71 │    1.03 │ 126.25 │  123.23 │    1.02 │ 163904.06 │ 155600.65 │    1.05 │
├───────────────────────┼───────┼─────────────┼────────┼──────────┼──────────┼─────────┼────────┼─────────┼─────────┼───────────┼───────────┼─────────┤
│              Submodel │     1 │    mooncake │   true │     0.88 │     0.88 │    1.00 │  28.69 │   33.62 │    0.85 │     25.15 │     29.58 │    0.85 │
└───────────────────────┴───────┴─────────────┴────────┴──────────┴──────────┴─────────┴────────┴─────────┴─────────┴───────────┴───────────┴─────────┘

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.26%. Comparing base (7d85366) to head (99af9c0).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1377   +/-   ##
=======================================
  Coverage   82.26%   82.26%           
=======================================
  Files          49       49           
  Lines        3512     3512           
=======================================
  Hits         2889     2889           
  Misses        623      623           

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