Beefy Boxes and Bandwidth Generously Provided by pair Networks
Problems? Is your data what you think it is?

Compact and sparse bit vector

by diotalevi (Canon)
on Dec 27, 2008 at 21:37 UTC ( #732843=CUFP: print w/ replies, xml ) Need Help??

Help for this page

Select Code to Download

  1. or download this
    use constant MEGABYTE => 2 ** 20;
    my $vector = '';
    # 5,000 bits. Set every 100th bit between 15 million and 20 million. 
    printf "%0.1fM\n", length( $vector ) / MEGABYTE;
  2. or download this
    use constant KILOBYTE => 2 ** 10;
    use Judy::1 qw( Set MemUsed );
    my $vec;
    printf "%0.1fK\n", MemUsed( $judy ) / KILOBYTE;

Log In?

What's my password?
Create A New User
Node Status?
node history
Node Type: CUFP [id://732843]
Approved by Corion
Front-paged by Corion
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others having an uproarious good time at the Monastery: (7)
As of 2015-05-24 18:16 GMT
Find Nodes?
    Voting Booth?

    In my home, the TV remote control is ...

    Results (475 votes), past polls