Not any more efficient, but can be written as a single line: 
my %data2= map {/^(\w+).*?sum\s+([0-9.]+)/} @lines;

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             I hope life isn't a big joke, because I don't get it.
                   -SNL

In reply to Re: building a hash from regex matches by NetWallah
in thread building a hash from regex matches by polarbear

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