in reply to
Re: MCE seemingly stray array in sample code for Strassen's algorithm
in thread MCE seemingly stray array in sample code for Strassen's algorithm
Your use of the word "global" is truly discriptive, but I believe that perl documentation reserves it for package variables. A possible alternative is "file scope variable".
Example: The description of "our" in perlfunc contains the following quote.
our associates a simple name with a package (read: global) variable in the current package,...