message: ci: Use Cirrus "greedy" flag to use idle CPU time when available
  MAKEJOBS limited for MSan to avoid excessive RAM usage
diff: env: # Global defaults
  PACKAGE_MANAGER_INSTALL: "apt-get update && apt-get install -y"
  - MAKEJOBS: "-j4"
  + MAKEJOBS: "-j10"
  TEST_RUNNER_PORT_MIN: "14000" # Must be larger than 12321, which is used for the http cache. See https://cirrus-ci.org/guide/writing-tasks/#http-cache
  CCACHE_SIZE: "200M"
  CCACHE_DIR: "/tmp/ccache_dir"
  @@ -38,6 +38,7 @@ main_template: &MAIN_TEMPLATE
  # https://cirrus-ci.org/faq/#are-there-any-limits
  # Each project has 16 CPU in total, assign 2 to each container, so that 8 tasks run in parallel
  cpu: 2
  + greedy: true
  memory: 8G # Set to 8GB to avoid OOM. https://cirrus-ci.org/guide/linux/#linux-containers
  ccache_cache:
  folder: "/tmp/ccache_dir"
  @@ -212,7 +213,6 @@ task:
  memory: 24G
  env:
  << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
  - MAKEJOBS: "-j8"
  FILE_ENV: "./ci/test/00_setup_env_native_tsan.sh"
  task:
  @@ -223,6 +223,7 @@ task:
  env:
  << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
  FILE_ENV: "./ci/test/00_setup_env_native_msan.sh"
  + MAKEJOBS: "-j4" # Avoid excessive memory use due to MSan
  task:
  name: '[ASan + LSan + UBSan + integer, no depends] [jammy]'
  @@ -232,6 +233,7 @@ task:
  env:
  << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
  FILE_ENV: "./ci/test/00_setup_env_native_asan.sh"
  + MAKEJOBS: "-j4" # Avoid excessive memory use
  task:
  name: '[fuzzer,address,undefined,integer, no depends] [focal]'
  @@ -243,7 +245,6 @@ task:
  memory: 16G
  env:
  << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
  - MAKEJOBS: "-j8"
  FILE_ENV: "./ci/test/00_setup_env_native_fuzz.sh"
  task:
  @@ -255,7 +256,6 @@ task:
  memory: 16G # The default memory is sometimes just a bit too small, so double everything
  env:
  << : *CIRRUS_EPHEMERAL_WORKER_TEMPLATE_ENV
  - MAKEJOBS: "-j8"
  FILE_ENV: "./ci/test/00_setup_env_i686_multiprocess.sh"
  task:
  