Trying this out on my actual code shows a HUGE time improvement:

Results from range lookup with Time::Piece and subroutine 

Line: 37000 : 119 seconds : tps: 8.40336134453782
Line: 38000 : 115 seconds : tps: 8.69565217391304
Line: 39000 : 121 seconds : tps: 8.26446280991735
Line: 40000 : 120 seconds : tps: 8.33333333333333
Line: 41000 : 114 seconds : tps: 8.7719298245614
Line: 42000 : 139 seconds : tps: 7.19424460431655
Line: 43000 : 126 seconds : tps: 7.93650793650794
Line: 44000 : 122 seconds : tps: 8.19672131147541
Line: 45000 : 177 seconds : tps: 5.64971751412429
Line: 46000 : 161 seconds : tps: 6.2111801242236

[download]

Results with array (seconds) lookup 

Line: 37000 : 6 seconds : tps: 166.666666666667
Line: 38000 : 6 seconds : tps: 166.666666666667
Line: 39000 : 7 seconds : tps: 142.857142857143
Line: 40000 : 6 seconds : tps: 166.666666666667
Line: 41000 : 5 seconds : tps: 200
Line: 42000 : 7 seconds : tps: 142.857142857143
Line: 43000 : 7 seconds : tps: 142.857142857143
Line: 44000 : 6 seconds : tps: 166.666666666667
Line: 45000 : 7 seconds : tps: 142.857142857143
Line: 46000 : 7 seconds : tps: 142.857142857143

[download]

In reply to Re^7: search through hash for date in a range by bfdi533
in thread search through hash for date in a range by bfdi533

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