Decommission aarch64 ampere runner.

ci/build.linux.gitlab-ci.yml

@@ -268,6 +268,8 @@ build:linux:cross:arm:clang-12:default:
     EIGEN_CI_TARGET_ARCH: aarch64
     EIGEN_CI_CROSS_TARGET_TRIPLE: aarch64-linux-gnu
     EIGEN_CI_ADDITIONAL_ARGS: -DEIGEN_TEST_CUSTOM_CXX_FLAGS=-march=armv8.2-a+fp16
+  tags:
+    - saas-linux-large-arm64
 
 build:linux:cross:aarch64:gcc-10:default:
   extends: .build:linux:cross:aarch64
@@ -320,10 +322,6 @@ build:linux:cross:ppc64le:clang-12:default:
   variables:
     EIGEN_CI_TARGET_ARCH: loongarch64
     EIGEN_CI_CROSS_TARGET_TRIPLE: loongarch64-linux-gnu
-  tags:
-    - eigen-runner
-    - linux
-    - cross-compiler
 
 # GCC-14 (minimum on Ubuntu 24)
 build:linux:cross:loongarch64:gcc-14:default:

ci/test.linux.gitlab-ci.yml

@@ -292,9 +292,7 @@ test:linux:cuda-12.2:clang-12:
     # Enable cross-compiled arm binary to run on aarch64.
     EIGEN_CI_BEFORE_SCRIPT: "ln -s /usr/arm-linux-gnueabihf/lib/ld-linux-armhf.so.3 /lib/ && export LD_LIBRARY_PATH=/usr/arm-linux-gnueabihf/lib/"
   tags:
-    - eigen-runner
-    - linux
-    - aarch64
+    - saas-linux-large-arm64
 
 .test:linux:arm:gcc-10:default:
   extends: .test:linux:arm
@@ -336,9 +334,7 @@ test:linux:arm:clang-12:default:unsupported:
     EIGEN_CI_TARGET_ARCH: aarch64
     EIGEN_CI_CROSS_TARGET_TRIPLE: aarch64-linux-gnu
   tags:
-    - eigen-runner
-    - linux
-    - aarch64
+    - saas-linux-large-arm64
 
 .test:linux:aarch64:gcc-10:default:
   extends: .test:linux:aarch64