Hash 1 Rows/Sec: 62500.1
Hash 2 Rows/Sec: 4032.3

##</code><code>##

Start of execution:  <2MB
After one hash:     123MB
After two hashes:   131MB

##</code><code>##

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