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Full Discussion: How to use bench mark module for sub routines in perl?
Top Forums Shell Programming and Scripting How to use bench mark module for sub routines in perl? Post 302517492 by vanitham on Wednesday 27th of April 2011 02:07:47 AM
Old 04-27-2011
How to use bench mark module for sub routines in perl?
Hi,

I have 2 sub routines for example.

Code:
use Benchmark 'cmpthese';

sub explicit {
print "\n print and calculate\n";
}

sub new_per_loop {
     for (0..4){
print "\n print the loop \n";
    }
}

cmpthese (10_000, {
                 'Explicit'           => &explicit,
                 'New Array Per Loop' => &new_per_loop,
                            }
      );

It is going to an infinite loop and cmpthese function what should be the count?

What is the default count?

I tried to understand through Google but i did not get a clear picture?

In the real scenario i have to apply bench mark and calculate the time taken for a bigger sub routine which has many loops.

How can i put this bench mark to calculate the time taken by the sub routine?

If u can provide me the clear picture with an example that would be really great.

Regards
vanitha
 

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LEARN ABOUT DEBIAN

gatling-bench

bench(1)						      General Commands Manual							  bench(1)

NAME

       bench - http benchmark

SYNOPSIS

       bench [-n requests] [-c concurrency] [-t timeout] [-k] [-K count]
	       [-C cookie-file] [http://]host[:port]/uri

DESCRIPTION

       bench is a HTTP benchmark program that can fetch the same URL over and over again, or fetch several URLs (coming in from stdin).

       If you specify a URL on the command line, this URL will be fetch many times (specify with -n, default: 10000) with several connections open
       in parallen (specify with -c, default: 10).

       You can specify a timeout (per request) in seconds with -t.

       The -k switch activates keep-alive mode.  In keep-alive mode, the TCP connection is not closed between requests.  You also have to  specify
       how many HTTP requests can go over one TCP connection with -K.

       bench  can  also  send  one  HTTP  cookie per connection, as specified using a cookie file.  The cookie file is read line by line, and each
       request gets the next line inserted into it.  So each line should look something like this:

	 Cookie: foo=bar

       If the end of the file is reached, bench restarts it at the beginning.

AUTHOR

       Initially written by Felix von Leitner <felix-gatling@fefe.de>.

LICENSE

       GPLv2 (see http://www.gnu.org/copyleft/gpl.html)

																	  bench(1)
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