DRR: correctly separate the calculate and update (#1132) #3149

Job	Run time
docker / docker (fedora39)	20m 14s
codecheck / codecheck	44m 11s
docker / docker (rocky8)	23m 2s
conda / conda (ubuntu-20.04)	11m 15s
conda / conda (macos-12)	12m 10s
conda / conda (macos-14)	4m 4s
linux / linux (-doc-mpi-)	40m 41s
mac / macports (macos-12)	17m 35s
linux / linux (-mpi-)	50m 59s
mac / macports (macos-14)	3m 24s
linux / linux (-coverage-mpi-)	1h 7m 39s
mac / macsimple (macos-12)	9m 50s
mac / macports (+allmodules, macos-12)	27m 34s
linux / linux (-debug-)	29m 56s
mac / macsimple (macos-14)	7m 34s
linux / linux (-debug-mpi-)	42m 12s
linux / linux (-intel-)	45m 51s
linux / linux (-pycv-mpi-)	17m 33s
linux / linux (-nvhpc-mpi-)	54m 7s
	8h 49m 51s

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