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Re: Faster base64 -d

From: Bob Proulx
Subject: Re: Faster base64 -d
Date: Sun, 7 Apr 2013 22:30:46 -0600
User-agent: Mutt/1.5.21 (2010-09-15)

Jim Meyering wrote:
> Ole Tange wrote:
> > I was astonished to learn that:
> >   perl -MMIME::Base64 -e 'while(read(STDIN,$buf,770*50)){print 
> > decode_base64($buf)}'
> > is faster than:
> >   base64 -d
> > ...
> Thanks for raising the issue.
> I confirm the perl-based version takes less than 50% of base64 -d's
> elapsed time on an old 2GHz celeron, e.g., running these:
> ...
> Patches most welcome.

This does seem surprising.  This seems appropriate to open as a ticket
in the defect tracker so that the issue isn't lost.

Ole, Would you like to open a ticket in the BTS about this issue?
(Mail to address@hidden.)  You may reference this thread to tie
it back to this discussion.


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