높은 동시성에서 ThinkPHP5와 프레임워크 없는 코드의 효율성 비교

$prizeArr = array(
            array('level' => 1, 'name' => '手机', 'randnum' => 10),
            array('level' => 2, 'name' => '100元话费', 'randnum' => 5010),
            array('level' => 3, 'name' => '自拍杆', 'randnum' => 15010),
            array('level' => 4, 'name' => '5元红包', 'randnum' => 115010),
        );

        $rand_num = mt_rand(1, 115010);
        $level = 4;
        
        for ($i = 0; $i < 4; $i++) {
            if ($rand_num <= $prizeArr[$i][&#39;randnum&#39;]) {
                $level = $prizeArr[$i][&#39;level&#39;];
                break;
            }
        }

$sql = "select * from `lottory` where id=".$level." ";
     $res = $rnpdo->RnFetchRow($sql, array());
     $dataNum = $res['errmsg']['prizenum'];    //剩余数量
     $version = $res['errmsg']['version'];    //版本号
     
     $updatesql = "update `lottory` set prizenum=prizenum-1,version=version+1 where id=".$level." and version=".$version." ";
     $updateres = $rnpdo->RnExec($updatesql, array());
     //print_r($res);
     if(!empty($updateres['errmsg'])) {
         //插入抽奖记录
         $openid = $version.'-'.createOpenid();
         $time = time();
         $insertSql = "insert into `lottory_list` ( `openid`, `prize`, `posttime`) values ('$openid','$level','$time') ";
         $rnpdo->RnPtmQuery($insertSql, array());
         
         echo 'success';
     }
     else
     {
         echo 'fail';
     }

$res = Db::table("lottory")->where('id',$level)->find();
         
         $dataNum = $res['prizenum'];    //剩余数量
         $version = $res['version'];    //版本号
         dump($res);
         
         $result = Db::table('lottory')->where('id', $level)->where('version', $version)->update(['prizenum' => ['exp','prizenum-1'],'version' => ['exp','version+1']]);
         dump($result);
         if($result) {
             //插入抽奖记录
             $openid = $version.'-'.createOpenid();
             $time = time();
             $data = ['openid' => $openid, 'prize' => $level,'posttime'=>$time];
             Db::table('lottory_list')->insert($data);
             
             echo 'success';
         }
         else
         {
             echo 'fail';
         }

ab -c 1000 -n 10000 http://localhost/lottory.php
ab -c 1000 -n 10000 http://localhost/index.php?s=index/index/hello