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Re^4: How to concatenate N binary buffers?

by mantager (Sexton)
on Nov 16, 2012 at 14:45 UTC ( #1004211=note: print w/ replies, xml ) Need Help??

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  1. or download this
    $ ./syswrite_or_concat.pl 1000000
    Double syswrite: 
    timethis 1000000:  2 wallclock secs ( 0.43 usr +  0.94 sys =  1.37 CPU
    +) @ 729927.01/s (n=1000000)
    ...
    timethis 1000000:  1 wallclock secs ( 0.32 usr +  0.45 sys =  0.77 CPU
    +) @ 1298701.30/s (n=1000000)
    Data join:
    timethis 1000000:  1 wallclock secs ( 0.37 usr +  0.46 sys =  0.83 CPU
    +) @ 1204819.28/s (n=1000000)
    
  2. or download this
    #!/usr/bin/env perl
    # ex: set tabstop=4 et syn=perl:
    ...
    
    unlink $file;
    

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