albook_brian[519]$ perl benchmark
Testing with 380 files
Timing for 2 CPU seconds...
Benchmark: running assign, glob, ordinary_mod, ordinary_orig, schwartz_mod, schwartz_orig, 
	schwartz_orig_assign, sort_names, sort_names_assign for at least 2 CPU seconds...
    assign:            (2.03 usr + 0.00 sys = 2.03 CPU) (n=   6063)
      glob:            (0.81 usr + 1.27 sys = 2.08 CPU) (n=    372)
ordinary_mod:          (0.46 usr + 1.70 sys = 2.16 CPU) (n=     80)
ordinary_orig:         (0.51 usr + 1.64 sys = 2.15 CPU) (n=     66)
schwartz_mod:          (1.54 usr + 0.51 sys = 2.05 CPU) (n=    271)
schwartz_orig:         (1.06 usr + 1.03 sys = 2.09 CPU) (n=    174)
schwartz_orig_assign:  (1.20 usr + 0.87 sys = 2.07 CPU) (n=    156)
sort_names:            (2.09 usr + 0.01 sys = 2.10 CPU) (n=3595626)
sort_names_assign:     (2.16 usr + 0.00 sys = 2.16 CPU) (n=   5698)
-------------------------------------------------------------------------
Timing for 1000 iterations
Benchmark: timing 1000 iterations of assign, glob, ordinary_mod, ordinary_orig, schwartz_mod, 
	schwartz_orig, schwartz_orig_assign, sort_names, sort_names_assign...
    assign:            1 secs ( 0.33 usr +  0.00 sys =  0.33 CPU) 
      glob:            6 secs ( 2.31 usr +  3.30 sys =  5.61 CPU) 
ordinary_mod:         28 secs ( 5.57 usr + 21.49 sys = 27.06 CPU) 
ordinary_orig:        34 secs ( 7.86 usr + 24.74 sys = 32.60 CPU) 
schwartz_mod:          8 secs ( 5.12 usr +  2.47 sys =  7.59 CPU) 
schwartz_orig:        12 secs ( 6.63 usr +  5.52 sys = 12.15 CPU) 
schwartz_orig_assign: 14 secs ( 7.76 usr +  5.41 sys = 13.17 CPU) 
sort_names:            0 secs ( 0.00 usr +  0.00 sys =  0.00 CPU)
sort_names_assign:     0 secs ( 0.39 usr +  0.00 sys =  0.39 CPU)