Re: Copy alist instead of deep copy on Grob clone (issue 561640045 by address@hidden)

[hanwenn]

it's hard to say if this makes a measurable difference:

$ grep -C1 User.time timing-deepcopy.txt 
        Command being timed: "lilypond -I carver MSDM"
        User time (seconds): 56.16
        System time (seconds): 0.73
--
        Command being timed: "./out/bin/lilypond.baseline -I carver MSDM"
        User time (seconds): 56.50
        System time (seconds): 0.76
--
        Command being timed: "lilypond -I carver MSDM"
        User time (seconds): 56.27
        System time (seconds): 0.80
--
        Command being timed: "./out/bin/lilypond.baseline -I carver MSDM"
        User time (seconds): 56.13
        System time (seconds): 0.73
--
        Command being timed: "lilypond -I carver MSDM"
        User time (seconds): 56.39
        System time (seconds): 0.79
--
        Command being timed: "./out/bin/lilypond.baseline -I carver MSDM"
        User time (seconds): 56.28
        System time (seconds): 0.68


https://codereview.appspot.com/561640045/