in reply to exec vs. system

The “ruling constraint” of your program is probably not CPU capacity:   it is I/O.   Throwing additional processes at an I/O-bound algorithm generally makes it dramatically slower, not faster.

Replies are listed 'Best First'.
Re^2: exec vs. system
by Anonymous Monk on Jul 07, 2011 at 12:51 UTC
    The “ruling constraint” of your program is probably not CPU capacity:

    On what information do you base that conclusion?

[reply]

In Section Seekers of Perl Wisdom