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# llil2.pl
# Example run: perl llil2.pl tt1.txt tt2.txt tt3.txt >out.txt
...

warn "sort + output  : $taken2 secs\n";
warn "total          : $taken secs\n";

// llil2.cpp. C++ 11 version of Perl llil.pl.
// llil2.cpp is faster than llil.cpp while also clarifying limits:
...

   return 0;
}

get_properties : 11 secs
sort + output  : 74 secs
total          : 85 secs

get_properties : 11 secs
sort + output  : 25 secs
total          : 36 secs

get_properties : 10 secs
sort + output  : 20 secs
total          : 30 secs

get_properties : 9 secs
sort + output  : 7 secs
total          : 16 secs

get_properties : 6 secs
sort + output  : 6 secs
total          : 12 secs

using map_str_int_type = std::unordered_map<std::string, llil_int_type
+>;
// to (llil2a.cpp):
using map_str_int_type = std::map<std::string, llil_int_type>;

get_properties : 4 secs
sort + output  : 5 secs
total          : 9 secs

sort { $href->{$b} <=> $href->{$a} || $a cmp $b } keys %{$href}

sort { $href->{$b} <=> $href->{$a} } sort keys %{$href} )