iconcert.kr  pi5-64bit-sd
   0.0002601 sec by fputs() ( 100write)
   0.0004830 sec by fputs() ( 100write)

   1747514748 display sec-by time()
   1747514748.2324 display sec-by microtime(true)

util/speed/speed2 tbl_pollt/testing

after2

 0.0007519 sec for 200write

 Database 50,000 Row Read
poll_result