From ee5e498ff0dc0b9a77ade68c3372517ba22d84ae Mon Sep 17 00:00:00 2001
From: ChrisRackauckas-Claude <accounts@chrisrackauckas.com>
Date: Sat, 12 Sep 2026 04:16:27 -0400
Subject: [PATCH 1/2] Add AirspeedVelocity benchmarking CI

Adds a benchmark workflow (Julia 1 and lts) and a benchmark/benchmarks.jl
suite covering representative workloads so PRs check for performance
regressions.

Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>
Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Agent-Harness: devin 3000.10.21
Agent-Model: SWE-2 Max
Agent-Session: local session transcript /home/crackauc/.local/share/devin/cli/summaries/history_ccb52064e6514b21.md
---
 .github/workflows/benchmark.yml | 29 +++++++++++++++++++
 benchmark/benchmarks.jl         | 50 +++++++++++++++++++++++++++++++++
 2 files changed, 79 insertions(+)
 create mode 100644 .github/workflows/benchmark.yml
 create mode 100644 benchmark/benchmarks.jl

diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
new file mode 100644
index 0000000..7ffe9b5
--- /dev/null
+++ b/.github/workflows/benchmark.yml
@@ -0,0 +1,29 @@
+name: Benchmark this PR
+
+on:
+  pull_request:
+    branches: [main]
+    paths-ignore: ['docs/**']
+
+permissions:
+  pull-requests: write
+  contents: read
+
+jobs:
+  benchmark:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    strategy:
+      fail-fast: false
+      matrix:
+        version: ["1", "lts"]
+    env:
+      # Force consistent Julia depot path for self-hosted runners
+      JULIA_DEPOT_PATH: ~/.julia
+    steps:
+      - uses: MilesCranmer/AirspeedVelocity.jl@action-v1
+        with:
+          julia-version: ${{ matrix.version }}
+          script: "benchmark/benchmarks.jl"
+          extra-pkgs: "DifferentialEquations,Distributions,ModelingToolkit"
+          job-summary: true
diff --git a/benchmark/benchmarks.jl b/benchmark/benchmarks.jl
new file mode 100644
index 0000000..95ff594
--- /dev/null
+++ b/benchmark/benchmarks.jl
@@ -0,0 +1,50 @@
+using EasyModelAnalysis, BenchmarkTools
+using DifferentialEquations, Distributions, ModelingToolkit
+using ModelingToolkit: t_nounits as t, D_nounits as D
+
+const SUITE = BenchmarkGroup()
+
+@parameters σ ρ β
+@variables x(t) y(t) z(t)
+
+eqs = [
+    D(D(x)) ~ σ * (y - x),
+    D(y) ~ x * (ρ - z) - y,
+    D(z) ~ x * y - β * z,
+]
+
+@mtkbuild sys = ODESystem(eqs, t)
+
+u0 = [D(x) => 2.0, x => 1.0, y => 0.0, z => 0.0]
+p = [σ => 28.0, ρ => 10.0, β => 8 / 3]
+tspan = (0.0, 50.0)
+prob = ODEProblem(sys, u0, tspan, p; jac = true)
+sol = solve(prob)
+
+t_measure = [0.0, 1.0, 2.0, 5.0, 10.0]
+
+# =============================================================================
+# Timeseries extraction and extremes
+# =============================================================================
+
+SUITE["timeseries"] = BenchmarkGroup()
+
+SUITE["timeseries"]["get_timeseries"] = @benchmarkable get_timeseries(
+    $prob, $x, $t_measure
+)
+SUITE["timeseries"]["get_min_t"] = @benchmarkable get_min_t($prob, $x)
+SUITE["timeseries"]["get_max_t"] = @benchmarkable get_max_t($prob, $x)
+SUITE["timeseries"]["stop_at_threshold"] = @benchmarkable stop_at_threshold(
+    $prob, $x, 5.0
+)
+
+# =============================================================================
+# Sensitivity analysis (Morris over parameter bounds)
+# =============================================================================
+
+SUITE["sensitivity"] = BenchmarkGroup()
+
+pbounds = [ρ => [0.0, 20.0], β => [0.0, 10.0]]
+SUITE["sensitivity"]["morris"] = @benchmarkable EasyModelAnalysis.get_sensitivity(
+    $prob, 40.0, $y, $pbounds; samples = 100
+)

From 21e64d24a32370726edf739b96ef009e4d8ec05b Mon Sep 17 00:00:00 2001
From: ChrisRackauckas-Claude <accounts@chrisrackauckas.com>
Date: Sat, 12 Sep 2026 05:14:40 -0400
Subject: [PATCH 2/2] Bump benchmark job timeout to 60 minutes

The dep install + precompile plus benchmarking both the base and PR revs
exceeds the 30 minute job timeout on this package's dependency tree.

Co-Authored-By: Chris Rackauckas <accounts@chrisrackauckas.com>
Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Agent-Harness: devin 3000.10.21
Agent-Model: SWE-2 Max
Agent-Session: local session transcript /home/crackauc/.local/share/devin/cli/summaries/history_5872b13ce3ce43b6.md
---
 .github/workflows/benchmark.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index 7ffe9b5..b714053 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -12,7 +12,7 @@ permissions:
 jobs:
   benchmark:
     runs-on: ubuntu-latest
-    timeout-minutes: 30
+    timeout-minutes: 60
     strategy:
       fail-fast: false
       matrix: