Before
------

Empty ‘directory-abbrev-alist’
Local:  Elapsed time: 0.073266s (0.015766s in 1 GCs)
Remote: Elapsed time: 0.660868s (0.260615s in 17 GCs)

100 items in ‘directory-abbrev-alist’ (no matches)
Local:  Elapsed time: 0.347025s (0.147198s in 10 GCs)
Remote: Elapsed time: 0.911555s (0.370291s in 25 GCs)

100 items in ‘directory-abbrev-alist’ (all matches)
Local:  Elapsed time: 0.575803s (0.374109s in 25 GCs)
Remote: Elapsed time: 0.960296s (0.396087s in 26 GCs)

500 items in ‘directory-abbrev-alist’ (no matches)
Local:  Elapsed time: 1.151418s (0.582457s in 38 GCs)
Remote: Elapsed time: 1.716861s (0.802557s in 53 GCs)

500 items in ‘directory-abbrev-alist’ (all matches)
Local:  Elapsed time: 1.396938s (0.815721s in 53 GCs)
Remote: Elapsed time: 1.752481s (0.802967s in 54 GCs)


After
-----

Empty ‘directory-abbrev-alist’
Local:  Elapsed time: 0.073033s (0.014667s in 1 GCs)
Remote: Elapsed time: 0.681975s (0.255890s in 17 GCs)

100 items in ‘directory-abbrev-alist’ (no matches)
Local:  Elapsed time: 0.362925s (0.154917s in 10 GCs)
Remote: Elapsed time: 1.123233s (0.477880s in 32 GCs)

100 items in ‘directory-abbrev-alist’ (all matches)
Local:  Elapsed time: 0.593666s (0.388942s in 25 GCs)
Remote: Elapsed time: 1.143706s (0.484284s in 33 GCs)

500 items in ‘directory-abbrev-alist’ (no matches)
Local:  Elapsed time: 1.121195s (0.561525s in 38 GCs)
Remote: Elapsed time: 2.649969s (1.295120s in 88 GCs)

500 items in ‘directory-abbrev-alist’ (all matches)
Local:  Elapsed time: 1.356323s (0.783774s in 53 GCs)
Remote: Elapsed time: 2.742058s (1.334358s in 89 GCs)