Long time to compile and upload

Why does it take 1 minute and 45 seconds to compile or upload the code for Arduino Blink example ?
I run it om my Windows Vista 64 Bit machine. I have test it on Arduino 0023 and 1.0.1.
My arduino board is Duemilanove.

I have test it on a Windows Vista home Basic 32 bit. On this machine it is much faster

Can someone understand this ?

Regards