Norton AntiVirus 2009 was released on September 8, 2008. Addressing performance issues, over 300 changes were made, with a "zero-impact" goal.[21][22]Benchmarking conducted by Passmark Software PTY LTD highlights its 47-second install time, 32 second scan time, and 5 MB memory utilization. Symantec funded the benchmark test and provided some scripts used to benchmark each participating antivirus software.[23]