That was my first attempt :) 

sub byvec {
    no warnings 'portable';
    vec( ${ $_[0] }, $_, 64 ) ^= ~0 for 0 .. ( length( ${ $_[0] } ) / 
+8 );
}

[download]

Nowhere close to tr///.

With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^2: In-place bitwise NOT? by BrowserUk
in thread In-place bitwise NOT? by BrowserUk

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