Benchmark for test memcached performance

bench-memcached.php

<?php
// Initialize values: 1000000 keys of 20 bytes with 40 bytes of data
$c = 1000000;
$values = array();
for ($i=0;$i<$c;$i++) $values[sprintf('%020s',$i)]=sha1($i);

// Memcached
$m = new Memcached();
$m->addServer('10.0.101.82', 11211);
$start = microtime(true);
foreach ($values as $k => $v) $m->set($k, $v, 3600);
$time = microtime(true)-$start;
echo "memcached set: $time\n";
$start = microtime(true);
foreach ($values as $k => $v) $m->get($k);
$time = microtime(true)-$start;
echo "memcached get: $time\n";