iconcert.kr  pi5-64bit-sd
   0.0002539 sec by fputs() ( 100write)
   0.0004870 sec by fputs() ( 100write)

   1742214868 display sec-by time()
   1742214868.2968 display sec-by microtime(true)

util/speed/

after2

 0.0007510 sec for 200write

 Database 50,000 Row Read
poll_result