	一句话概述代码的用途：（例：使用js控制复制及输入数据时只能是数字） 120* 字
	代码类型：无函数类插件单段代码直接可运行
	TAG标签：（用空格隔开） 30 字
	描述说明：请填写代码的实现原理、应用场景、功能说明、调用示例、注意事项等。
	Redis写与shmop相差两个数量等级读也相似都不受php内存限制 shm比redis慢 redis是多台服务器，其它都是单台结论shmop>swoole\table>shm>redis 0.00072097778320312>0.0016679763793945>0.041023015975952>0.14361214637756 https://www.cnblogs.com/wt645631686/p/9146600.html
	代码正文：*
	简单说明：排序： $arr = array( 1 => array ('22' => '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); $size = strlen($str); $table = new Swoole\Table(1024); $table->column('name', swoole_table::TYPE_STRING, $size); $table->create(); $start = microtime(true); for($i = 0; $i<10000; $i++) { $table->set(1, array('name'=>$str)); } echo "\n".(microtime(true) - $start); echo "\n".$table->get('1', 'name'); echo "\n".$size;
	简单说明：排序： $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); $redis = new Redis(); $redis->connect('127.0.0.1',6379); $start = microtime(true) ; for($i = 0; $i<10000; $i++) { $redis->set('key', $str); } echo microtime(true) - $start; echo "\n".$redis->get('key');
	简单说明：排序： $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); $key =1;//ftok(__FILE__, 'h'); 只能是存在的文件转为数字 $size = strlen($str); $signal = sem_get($key); # 请求信号控制权 if(sem_acquire($signal)){//获取一把锁如厕所只一间关门 $shmid = @shmop_open($key, 'c', 0644, $size); $start = microtime(true); for($i = 0; $i<10000; $i++) { shmop_write($shmid, $str, 0); } $read=shmop_read($shmid,0,$size); shmop_close($shmid); } sem_release($signal);//释放信号开门 echo microtime(true) - $start; echo "\n".$read;
	简单说明：排序： //基于/dev/shm的缓存实现的性能测试，基于内存的缓存，在Windows上可以用普通文件系统做测试。 $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); $start = microtime(true); for($i = 0; $i<10000; $i++) { file_put_contents('/dev/shm/key', $str, LOCK_EX); } echo microtime(true) - $start; echo "\n".file_get_contents('/dev/shm/key');