Loop 1 (Simple arithmetic operations): 10000000 iterations Loop 2 (String concatenation): 1000000 iterations Loop 3 (Array manipulation): 100000 iterations Loop 4 (File I/O operations): 1000 iterations Total run time: 0.3556 seconds === System Resource Monitor === CPU Information: Number of CPU cores: 16 CPU Load: 1 minute: 4.86 (Per core: 0.30) 5 minutes: 5.43 (Per core: 0.34) 15 minutes: 5.7 (Per core: 0.36) Memory Usage: Total Memory: 60.788891 GB Used Memory: 47.126453 GB Free Memory: 2.102604 GB Memory Usage: 77.52% Top CPU-Intensive Processes: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND boslcoma 23517 0.2 0.0 454440 22868 ? Ss 06:14 0:04 lsphp boslcoma 6243 0.0 0.0 482620 35428 ? Ss 06:42 0:00 lsphp:me6/boslcoma/public_html/IoT/test_server.php boslcoma 6884 0.0 0.0 11688 1344 ? S 06:42 0:00 sh -c ps aux --sort=-%cpu | head -n 6 boslcoma 6886 0.0 0.0 51724 1704 ? R 06:42 0:00 ps aux --sort=-%cpu boslcoma 6887 0.0 0.0 4372 356 ? S 06:42 0:00 head -n 6 Top Memory-Intensive Processes: USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND boslcoma 6243 0.0 0.0 482620 35536 ? Ss 06:42 0:00 lsphp:me6/boslcoma/public_html/IoT/test_server.php boslcoma 23517 0.2 0.0 454440 22868 ? Ss 06:14 0:04 lsphp boslcoma 6901 0.0 0.0 51724 1708 ? R 06:42 0:00 ps aux --sort=-%mem boslcoma 6897 0.0 0.0 11688 1340 ? S 06:42 0:00 sh -c ps aux --sort=-%mem | head -n 6 boslcoma 6902 0.0 0.0 4372 356 ? S 06:42 0:00 head -n 6 Network Statistics: Interface: eth0 Received: 7.331062 TB (19053101015 packets) Transmitted: 34.005525 TB (21175740963 packets)