md5 and large files

Roger Binns rogerb at
Mon Oct 18 04:42:27 CEST 2004

Andrew Dalke wrote:
> I think most of the time is spent doing I/O, not computing
> the checksum.  That's probably even true if written in C.

The OP said they were using 4GB files, so unless the machine
has more than that amount of memory, either algorithm on
the entire file will be almost entirely disk bound.


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