use strict; use warnings;

use threads;
use Thread::Semaphore;
use MCE::Shared;
use Time::HiRes 'time';

my $condvar = MCE::Shared->condvar;
my $sem     = Thread::Semaphore->new;

# Start the shared server. Not necessary if Perl has IO::FDPass.
MCE::Shared->start;

sub test {
    $condvar->wait;
    for (1..10000) {
        threads->yield;
        $sem->down;
        $sem->up;
    }
}

threads->create('test') for 1..3;
$condvar->broadcast(0.5);

my $start = time;
$_->join for threads->list;

printf "duration: %0.03f secs\n", time - $start;


##</code><code>##

use strict; use warnings;

use threads;
use MCE::Mutex;
use MCE::Shared;
use Time::HiRes 'time';

my $condvar = MCE::Shared->condvar;
my $mutex   = MCE::Mutex->new;

# Start the shared server. Not necessary if Perl has IO::FDPass.
MCE::Shared->start;

sub test {
    $condvar->wait;
    for (1..10000) {
        threads->yield;
        $mutex->lock;
        $mutex->unlock;
    }
}

threads->create('test') for 1..3;
$condvar->broadcast(0.5);

my $start = time;
$_->join for threads->list;

printf "duration: %0.03f secs\n", time - $start;


##</code><code>##

use strict; use warnings;

use threads;
use MCE::Mutex;
use MCE::Shared;
use Time::HiRes 'time';

my $condvar = MCE::Shared->condvar;
my $mutex   = MCE::Mutex->new( impl => 'Flock' );

# Start the shared server. Not necessary if Perl has IO::FDPass.
MCE::Shared->start;

sub test {
    $condvar->wait;
    for (1..10000) {
        threads->yield;
        $mutex->lock;
        $mutex->unlock;
    }
}

threads->create('test') for 1..3;
$condvar->broadcast(0.5);

my $start = time;
$_->join for threads->list;

printf "duration: %0.03f secs\n", time - $start;


##</code><code>##

    Thread::Semaphore     0.386 secs
    MCE::Mutex::Channel   0.162 secs
    MCE::Mutex::Flock     0.144 secs


##</code><code>##

    Thread::Semaphore     0.293 secs
    MCE::Mutex::Channel   0.499 secs
    MCE::Mutex::Flock     0.498 secs


##</code><code>##

    Thread::Semaphore    41.897 secs
    MCE::Mutex::Channel   0.980 secs
    MCE::Mutex::Flock     0.702 secs


##</code><code>##

    Thread::Semaphore    35.521 secs
    MCE::Mutex::Channel   2.994 secs
    MCE::Mutex::Flock     3.322 secs