Test building on a generic runner

.gitlab-ci.yml

@@ -24,16 +24,11 @@ docker-base:
 
 build-job:       # This job runs in the build stage, which runs first.
   stage: build
-  before_script:
-    - module load spack
-    - module load cmake
-    - module load boost
-    - module load casacore
-  tags:
-    - das6-gpu
+  image: "$CI_REGISTRY_IMAGE:latest"
   script:
-    - cmake -B build .
+    - cmake -B build . -DCMAKE_BUILD_TYPE=Release
     - make -C build
+    - build/microbenchmarks --benchmark_out=results-generic.json --benchmark_out_format=json
 
 unittests: 
   stage: test