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     % perl -MBench -E'my $res = bench sub { ... }'

     # specify bench options
     % perl -MBench -E'bench sub { ... }, 100'
     % perl -MBench -E'bench sub { ... }, {n=>-5}'
     304347 calls (60665/s), 5.017s (0.0165ms/call)

     # use Dumbbench as the backend
     % perl -MDumbbench -MBench -E'bench sub { ... }'
     % perl -MBench -E'bench sub { ... }, {dumbbench=>1, dumbbench_options=>{...}}'
     Ran 26 iterations (6 outliers).
     Rounded run time per iteration: 2.9029e-02 +/- 4.8e-05 (0.2%)

     # bench multiple codes
     % perl -MBench -E'bench {a=>sub{...}, b=>sub{...}}, {n=>-2}'
     % perl -MBench -E'bench [sub{...}, sub{...}]'; # automatically named a, b, ...
     b: 100 calls (5357/s), 0.0187s (0.1870ms/call)
     a: 100 calls (12120/s), 0.0083s (0.0825ms/call)
     Fastest is a (2.267x b)

DESCRIPTION

lib/Bench.pm  view on Meta::CPAN

 % perl -MBench -E'my $res = bench sub { ... }'

 # specify bench options
 % perl -MBench -E'bench sub { ... }, 100'
 % perl -MBench -E'bench sub { ... }, {n=>-5}'
 304347 calls (60665/s), 5.017s (0.0165ms/call)

 # use Dumbbench as the backend
 % perl -MDumbbench -MBench -E'bench sub { ... }'
 % perl -MBench -E'bench sub { ... }, {dumbbench=>1, dumbbench_options=>{...}}'
 Ran 26 iterations (6 outliers).
 Rounded run time per iteration: 2.9029e-02 +/- 4.8e-05 (0.2%)

 # bench multiple codes
 % perl -MBench -E'bench {a=>sub{...}, b=>sub{...}}, {n=>-2}'
 % perl -MBench -E'bench [sub{...}, sub{...}]'; # automatically named a, b, ...
 b: 100 calls (5357/s), 0.0187s (0.1870ms/call)
 a: 100 calls (12120/s), 0.0083s (0.0825ms/call)
 Fastest is a (2.267x b)

=head1 DESCRIPTION