From aaadc058cb71c704234f201423f5540b990047bc Mon Sep 17 00:00:00 2001
From: Katharine Hyatt <kslimes@gmail.com>
Date: Mon, 23 Mar 2026 12:23:10 +0100
Subject: [PATCH 1/2] Try Enzyme tests with CUDA

---
 test/enzyme/eig.jl         | 3 +++
 test/enzyme/eigh.jl        | 3 +++
 test/enzyme/lq.jl          | 3 +++
 test/enzyme/orthnull.jl    | 3 +++
 test/enzyme/polar.jl       | 3 +++
 test/enzyme/projections.jl | 4 ++++
 test/enzyme/qr.jl          | 3 +++
 test/enzyme/svd.jl         | 3 +++
 8 files changed, 25 insertions(+)

diff --git a/test/enzyme/eig.jl b/test/enzyme/eig.jl
index 1404d751c..57efa81f4 100644
--- a/test/enzyme/eig.jl
+++ b/test/enzyme/eig.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...)
         AT = Diagonal{T, Vector{T}}
         TestSuite.test_enzyme_eig(AT, m; atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_eig(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end
diff --git a/test/enzyme/eigh.jl b/test/enzyme/eigh.jl
index 05ae7f384..a1984d944 100644
--- a/test/enzyme/eigh.jl
+++ b/test/enzyme/eigh.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...)
         AT = Diagonal{T, Vector{T}}
         TestSuite.test_enzyme_eigh(AT, m; atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_eigh(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end
diff --git a/test/enzyme/lq.jl b/test/enzyme/lq.jl
index 7c747529d..c10aadcba 100644
--- a/test/enzyme/lq.jl
+++ b/test/enzyme/lq.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...), n in (17, m, 23)
         AT = Diagonal{T, Vector{T}}
         m == n && TestSuite.test_enzyme_lq(AT, (m, m); atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_lq(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end
diff --git a/test/enzyme/orthnull.jl b/test/enzyme/orthnull.jl
index 086873d3f..aa8ac967a 100644
--- a/test/enzyme/orthnull.jl
+++ b/test/enzyme/orthnull.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...), n in (17, m, 23)
         AT = Diagonal{T, Vector{T}}
         m == n && TestSuite.test_enzyme_orthnull(AT, (m, m); atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_orthnull(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end
diff --git a/test/enzyme/polar.jl b/test/enzyme/polar.jl
index 183086adb..1843ecd5d 100644
--- a/test/enzyme/polar.jl
+++ b/test/enzyme/polar.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...), n in (17, m, 23)
         AT = Diagonal{T, Vector{T}}
         #m == n && TestSuite.test_enzyme_polar(AT, (m, m); atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_polar(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end
diff --git a/test/enzyme/projections.jl b/test/enzyme/projections.jl
index 52b222a52..4d4d71ad0 100644
--- a/test/enzyme/projections.jl
+++ b/test/enzyme/projections.jl
@@ -18,4 +18,8 @@ for T in (BLASFloats..., GenericFloats...)
         TestSuite.test_enzyme_projections(T, (m, m); atol, rtol)
         TestSuite.test_enzyme_projections(Diagonal{T, Vector{T}}, (m, m); atol, rtol)
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_projections(CuMatrix{T}, (m, m); atol, rtol)
+        TestSuite.test_enzyme_projections(Diagonal{T, CuVector{T}}, (m, m); atol, rtol)
+    end
 end
diff --git a/test/enzyme/qr.jl b/test/enzyme/qr.jl
index 2d8b9e7e1..3d3116a1f 100644
--- a/test/enzyme/qr.jl
+++ b/test/enzyme/qr.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...), n in (17, m, 23)
         AT = Diagonal{T, Vector{T}}
         m == n && TestSuite.test_enzyme_qr(AT, (m, m); atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_qr(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end
diff --git a/test/enzyme/svd.jl b/test/enzyme/svd.jl
index bef41e5c7..64feccfb4 100644
--- a/test/enzyme/svd.jl
+++ b/test/enzyme/svd.jl
@@ -18,4 +18,7 @@ for T in (BLASFloats..., GenericFloats...), n in (17, m, 23)
         AT = Diagonal{T, Vector{T}}
         m == n && TestSuite.test_enzyme_svd(AT, m; atol = m * m * TestSuite.precision(T), rtol = m * m * TestSuite.precision(T))
     end
+    if CUDA.functional()
+        TestSuite.test_enzyme_svd(CuMatrix{T}, (m, n); atol = m * n * TestSuite.precision(T), rtol = m * n * TestSuite.precision(T))
+    end
 end

From ef38cf9744467d41e6de7482efb626bd003ce304 Mon Sep 17 00:00:00 2001
From: Katharine Hyatt <katharine.s.hyatt@gmail.com>
Date: Sun, 19 Jul 2026 11:43:20 +0200
Subject: [PATCH 2/2] Extend timeout

---
 .buildkite/pipeline.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.buildkite/pipeline.yml b/.buildkite/pipeline.yml
index 11944ebb2..9242522d6 100644
--- a/.buildkite/pipeline.yml
+++ b/.buildkite/pipeline.yml
@@ -14,7 +14,7 @@ steps:
     agents:
       queue: "cuda"
     if: build.message !~ /\[skip tests\]/
-    timeout_in_minutes: 30
+    timeout_in_minutes: 90
 
   - label: "Julia LTS -- CUDA"
     plugins:
@@ -28,7 +28,7 @@ steps:
     agents:
       queue: "cuda"
     if: build.message !~ /\[skip tests\]/
-    timeout_in_minutes: 30
+    timeout_in_minutes: 90
   
   - label: "Julia v1 -- AMDGPU"
     plugins: