Add TODO notes to check need for cpus-per-task flag

- Check later if preplandobs and landanl APRUN commands
also need threading and therefore the --cpus-per-task flag.

Refs NOAA-EMC#2044

env/ORION.env

@@ -43,7 +43,7 @@ if [[ "${step}" = "prep" ]] || [[ "${step}" = "prepbufr" ]]; then
 
 elif [[ "${step}" = "preplandobs" ]]; then
 
-    export APRUN_CALCFIMS="${launcher} -n 1"
+    export APRUN_CALCFIMS="${launcher} -n 1" # TODO: Does this need threading (--cpus-per-task flag)?
 
 elif [[ "${step}" = "waveinit" ]] || [[ "${step}" = "waveprep" ]] || [[ "${step}" = "wavepostsbs" ]] || \
     [[ "${step}" = "wavepostbndpnt" ]] || [[ "${step}" = "wavepostpnt" ]] || [[ "${step}" == "wavepostbndpntbll" ]]; then
@@ -87,7 +87,7 @@ elif [[ "${step}" = "landanl" ]]; then
     [[ ${NTHREADS_LANDANL} -gt ${nth_max} ]] && export NTHREADS_LANDANL=${nth_max}
     export APRUN_LANDANL="${launcher} -n ${npe_landanl} --cpus-per-task=${NTHREADS_LANDANL}"
 
-    export APRUN_APPLY_INCR="${launcher} -n 6"
+    export APRUN_APPLY_INCR="${launcher} -n 6" # TODO: Does this need threading (--cpus-per-task flag)?
 
 elif [[ "${step}" = "ocnanalbmat" ]]; then