Speed up GSI analysis jobs in CI testing (#3115)

This PR adds `DO_TEST_MODE`, which can be used for other things in the
future but for now sets the GSI to run just 5 iterations per outer loop
to reduce runtime for CI testing.

Resolves #3114

ci/cases/gfsv17/ocnanal.yaml

@@ -15,6 +15,7 @@ base:
   DO_VRFY_OCEANDA: "NO"
   FHMAX_GFS: 240
   ACCOUNT: {{ 'HPC_ACCOUNT' | getenv }}
+  DO_TEST_MODE: "YES"
 
 marineanl:
   SOCA_INPUT_FIX_DIR: {{ HOMEgfs }}/fix/gdas/soca/1440x1080x75/soca

ci/cases/yamls/atmaerosnowDA_defaults_ci.yaml

@@ -3,3 +3,4 @@ defaults:
 base:
   DO_JEDISNOWDA: "YES"
   ACCOUNT: {{ 'HPC_ACCOUNT' | getenv }}
+  DO_TEST_MODE: "YES"

ci/cases/yamls/gfs_defaults_ci.yaml

@@ -2,3 +2,4 @@ defaults:
   !INC {{ HOMEgfs }}/parm/config/gfs/yaml/defaults.yaml
 base:
   ACCOUNT: {{ 'HPC_ACCOUNT' | getenv }}
+  DO_TEST_MODE: "YES"

ci/cases/yamls/gfs_extended_ci.yaml

@@ -12,3 +12,4 @@ base:
   FCST_BREAKPOINTS: 192
   FHMAX_GFS: 384
   FHMAX_HF_GFS: 120
+  DO_TEST_MODE: "YES"

ci/cases/yamls/soca_gfs_defaults_ci.yaml

@@ -3,3 +3,4 @@ defaults:
 base:
   ACCOUNT: {{ 'HPC_ACCOUNT' | getenv }}
   DO_JEDIOCNVAR: "YES"
+  DO_TEST_MODE: "YES"

parm/config/gefs/config.base

@@ -65,6 +65,7 @@ export REALTIME="YES"
 # Experiment mode (cycled or forecast-only)
 export MODE="@MODE@" # cycled/forecast-only
 export SFS_POST="@SFS_POST@" # TODO, place holder until RUN=SFS is developed
+export DO_TEST_MODE="@DO_TEST_MODE@" # option to change configuration for automated testing
 
 ####################################################
 # DO NOT ADD MACHINE DEPENDENT STUFF BELOW THIS LINE

parm/config/gefs/yaml/defaults.yaml

@@ -21,6 +21,7 @@ base:
   HPSSARCH: "NO"
   LOCALARCH: "NO"
   SFS_POST: "NO"
+  DO_TEST_MODE: "NO"
 fcst:
   reforecast: "NO"
   FHZER: 6

parm/config/gfs/config.anal

@@ -29,6 +29,11 @@ fi
 export lobsdiag_forenkf=".false."  # anal does not need to write out jacobians
                    # set to .true. in config.eobs and config.eupd
 
+# Reduce number of iterations for testing mode
+if [[ ${DO_TEST_MODE} = "YES" ]]; then
+  export SETUP="${SETUP:-}niter(1)=5,niter(2)=5,"
+fi
+
 # Do not process the following datasets
 export GSNDBF=${GSNDBF:-/dev/null}
 export AMSREBF=${AMSREBF:-/dev/null}

parm/config/gfs/config.base

@@ -88,6 +88,7 @@ export REALTIME="YES"
 
 # Experiment mode (cycled or forecast-only)
 export MODE="@MODE@" # cycled/forecast-only
+export DO_TEST_MODE="@DO_TEST_MODE@" # option to change configuration for automated testing
 
 ####################################################
 # DO NOT ADD MACHINE DEPENDENT STUFF BELOW THIS LINE

parm/config/gfs/yaml/defaults.yaml

@@ -21,6 +21,7 @@ base:
   GSI_SOILANAL: "NO"
   EUPD_CYC: "gdas"
   FHMAX_ENKF_GFS: 12
+  DO_TEST_MODE: "NO"
 
 atmanl:
   JCB_ALGO_YAML_VAR: "${PARMgfs}/gdas/atm/jcb-prototype_3dvar.yaml.j2"