Update CI scripts

.buildkite/pipeline.yml

@@ -0,0 +1,56 @@
+steps:
+  - label: "Nvidia GPUs -- CUDA.jl"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: 1.9
+    agents:
+      queue: "juliagpu"
+      cuda: "*"
+    command: |
+      julia --color=yes --project -e '
+        using Pkg
+        Pkg.add("CUDA")
+        Pkg.add("LinearOperators")
+        Pkg.instantiate()
+        using CUDA
+
+      julia --color=yes --project -e '
+        include("test/gpu/nvidia.jl")'
+    timeout_in_minutes: 30
+
+  - label: "AMD GPUs -- AMDGPU.jl"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: 1.9
+    agents:
+      queue: "juliagpu"
+      rocm: "*"
+      rocmgpu: "gfx1031"
+    env:
+      JULIA_NUM_THREADS: 4
+      JULIA_AMDGPU_CORE_MUST_LOAD: "1"
+      JULIA_AMDGPU_HIP_MUST_LOAD: "1"
+      JULIA_AMDGPU_DISABLE_ARTIFACTS: "1"
+    command: |
+      julia --color=yes --project -e '
+        using Pkg
+        # Pkg.add("AMDGPU")
+        Pkg.add(url="https://github.com/JuliaGPU/AMDGPU.jl", rev="master")
+        Pkg.instantiate()
+        include("test/gpu/amd.jl")'
+    timeout_in_minutes: 30
+
+  - label: "Intel GPUs -- oneAPI.jl"
+    plugins:
+      - JuliaCI/julia#v1:
+          version: 1.9
+    agents:
+      queue: "juliagpu"
+      intel: "*"
+    command: |
+      julia --color=yes --project -e '
+        using Pkg
+        Pkg.add("oneAPI")
+        Pkg.instantiate()
+        include("test/gpu/intel.jl")'
+    timeout_in_minutes: 30

.cirrus.yml

@@ -2,16 +2,11 @@ task:
   matrix:
     - name: FreeBSD
       freebsd_instance:
-        image_family: freebsd-13-1
+        image_family: freebsd-13-2
       env:
         matrix:
           - JULIA_VERSION: 1.6
           - JULIA_VERSION: 1
-    - name: Linux ARMv8
-      arm_container:
-        image: ubuntu:latest
-      env:
-        - JULIA_VERSION: 1
     - name: musl Linux
       container:
         image: alpine:3.14

.github/codecov.yml

@@ -0,0 +1,11 @@
+# Drops on the order 0.01% are typical even when no change occurs
+# Having the threshold set a little higher (0.5%) than that makes it 
+# a little more tolerant to fluctuations
+coverage:
+  status:
+    project:
+      default:
+        threshold: 0.5%
+    patch:
+      default:
+        threshold: 0.5%