Write compact restart files #8110

Job	Run time
Build SU2 (asan) (BaseNoMPI-asan)	16m 12s
Build SU2 (BaseMPI)	13m 21s
Build SU2 (asan) (ReverseNoMPI-asan)	44m 17s
Build SU2 (ReverseMPI)	14m 14s
Build SU2 (ForwardMPI)	11m 3s
Build SU2 (BaseNoMPI)	8m 12s
Build SU2 (tsan) (BaseOMP-tsan)	12m 1s
Build SU2 (ReverseNoMPI)	12m 9s
Build SU2 (tsan) (ReverseOMP-tsan)	27m 12s
Build SU2 (ForwardNoMPI)	9m 54s
Build SU2 (BaseOMP)	7m 40s
Build SU2 (ReverseOMP)	14m 37s
Build SU2 (ForwardOMP)	10m 31s
Unit Tests (test_driver)	1m 27s
Regression Tests (vandv.py)	2m 44s
Unit Tests (test_driver_AD)	1m 28s
Regression Tests (tutorials.py)	4m 35s
Unit Tests (test_driver_DD)	56s
Regression Tests (parallel_regression.py)	14m 6s
Regression Tests (parallel_regression_AD.py)	9m 21s
Regression Tests (serial_regression.py)	16m 18s
Regression Tests (serial_regression_AD.py)	5m 5s
Regression Tests (hybrid_regression.py)	10m 57s
Regression Tests (hybrid_regression_AD.py)	3m 19s
Thread Sanitizer Tests (hybrid_regression.py)	31m 29s
Thread Sanitizer Tests (hybrid_regression_AD.py)	11m 14s
Address Sanitizer Tests (serial_regression.py)	17m 6s
Address Sanitizer Tests (serial_regression_AD.py)	6m 2s
	5h 37m 30s

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