ActivePerl v5.8.0, WinXP, 640MB available

Hash 1 Rows/Sec: 250000.3
Hash 2 Rows/Sec: 250000.3

 <2MB
154MB
157MB


ActivePerl v5.6.1, WinXP, 640MB available

Hash 1 Rows/Sec: 200000.2
Hash 2 Rows/Sec: 200000.2

 <2MB
155MB
157MB