#测试代码

$msg = ['test'=>23];$start = microtime(true);  for($i=0;$i<100000;$i++){	$packMsg = msgpack_pack($msg);}echo 'pack len:'.strlen($packMsg)."\r\n";$end = microtime(true);echo 'run time:'.($end-$start).'s'."\r\n";  echo 'memory usage:'.(memory_get_usage()/1024)."KB\r\n";/*$start = microtime(true);  for($i=0;$i<100000;$i++){	$jsonMsg = json_encode($msg);}echo 'json len:'.strlen($jsonMsg)."\r\n";$end = microtime(true);  echo 'run time:'.($end-$start).'s'."\r\n";  echo 'memory usage:'.(memory_get_usage()/1024)."KB\r\n";$start = microtime(true);  for($i=0;$i<100000;$i++){	$packMsg = serialize($msg);}echo 'php len:'.strlen($packMsg)."\r\n";$end = microtime(true);echo 'run time:'.($end-$start)."s\r\n";echo 'memory usage:'.(memory_get_usage()/1024)."KB\r\n";*/

#执行结果

pack len:7run time:0.024219989776611smemory usage:354.4765625KBjson len:11run time:0.010890007019043smemory usage:354.1796875KBphp len:22run time:0.010586977005005smemory usage:353.8828125KB

#分析评论 网上查阅的基本结果都是(估计是php7以前的版本)

运行速度  serialize
    
     
      json>msgpack内存消耗  serialize
      
     
    

在php7里运行，得出的结果如下

运行速度  serialize
    
     
      json>msgpack内存消耗  serialize