Setup buildkite

Author: amontoison

.buildkite/pipeline.yml

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+steps:
+  - label: "Nvidia GPUs -- LinearOperators.jl"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: 1.8
+    agents:
+      queue: "juliagpu"
+      cuda: "*"
+    command: |
+      julia --color=yes --project -e '
+      using Pkg
+      Pkg.add("CUDA")
+      Pkg.instantiate()
+      include("test/gpu/nvidia.jl")'
+    timeout_in_minutes: 30

test/gpu/nvidia.jl

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+using LinearOperators, CUDA, CUDA.CUSPARSE, CUDA.CUSOLVER
+
+@testset "Nvidia -- CUDA.jl" begin
+
+  @test CUDA.functional()
+  CUDA.allowscalar(false)
+
+  A = CUDA.rand(5,5)
+  B = CUDA.rand(10,10)
+  C = CUDA.rand(20,20)
+  M = BlockDiagonalOperator(A, B, C)
+
+  v = CUDA.rand(35)
+  y = M * v
+  @test y <: CuVector{Float32}
+end