Loop test the efficiency of php reading and writing to Redis and shared memory (shm) under Centos

<?php

//测试数据

$arr = array( 1 =>

  array ('id' => '4146','attacksdfdsfdsddddddddddd' => '5.45','atk_class' => '神圣级','wufang' => '4.9','def_class' => '超神级','cefang' => '4.9','mdf_class' => '超神级','hp' => '6.43','hp_class' => '神王级','dodge' => '55','dodge_class' => 'SSSS','crit' => '50','crit_class' => 'SSS','penetrate' => '55','penetrate_class' => 'SSSS','mingzhong' => '51','hit_class' => 'SSSS','anti_dizziness' => '0','anti_dizzinesssdfdsfdsfdsfdsfds_class' => 'F','anti_critical' => '20','anti_critical_class' => 'F','tenacity' => '0','tenacity_class' => 'F',

  ),

  2 =>

  array ('id' => '414ddffff7','attack' => '5.45','atk_class' => '神圣级','wufang' => '4.95','def_class' => '超神级','cefang' => '4.95','mdf_class' => '超神级','hp' => '6.43','hp_class' => '神王级','dodge' => '55','dodge_class' => 'SSSS','crit' => '50','crit_class' => 'SSS','penetrate' => '55','penetrate_class' => 'SSSS','mingzhong' => '51','hit_class' => 'SSSS','anti_dizziness' => '0','anti_dizziness_clsdfdsfdsfdsfdsfdsass' => 'F','anti_critical' => '20','anti_critical_class' => 'F','tenacity' => '0','tenacity_class' => 'F',

  ));

$str = json_encode($arr);

echo strlen($str);          //输出1024

<?php

$redis = new Redis();

$redis->connect('127.0.0.1',6379);

$redis->auth('310c8cabcdefghf2d8abcdefd44496ac80');

$start = microtime(true) ;

for($i = 0; $i<10000; $i++) {

    $redis->set('key', $str);

}

echo microtime(true) - $start;    //执行5次，大概平均结果为  1.7016470432281 秒

<?php

$key = 0x4337b123; 

$size = 1024; 

$shmid = @shmop_open($key, 'c', 0644, $size); 

$start = microtime(true);

for($i = 0; $i<10000; $i++) {

    shmop_write($shmid, $str, 0);

}

@shmop_close($shmid);

echo microtime(true) - $start;  //执行5次，大概平均结果为 0.0025370121002197 秒

<?php

$redis = new Redis();

$redis->connect('127.0.0.1',6379);

$redis->auth('310c8cabcdefghf2d8abcdefd44496ac80');

$start = microtime(true) ;

for($i = 0; $i<10000; $i++) {

    $redis->get('key');

}

echo microtime(true) - $start;     //执行5次，大概平均结果为 2.1236310005188 秒

<?php

$key = 0x4337b123; 

$size = 1024; 

$shmid = @shmop_open($key, 'c', 0644, $size); 

$start = microtime(true);

for($i = 0; $i<10000; $i++) {

    shmop_read($shmid, 0,1024);

}

@shmop_close($shmid);

echo microtime(true) - $start;     //执行5次，大概平均结果为 0.0021078586578369 秒