Python Memory Manager

[MartinRinehart at gmail.com]

Paul Rubin wrote:
> repz movsw is a pretty lame way to copy data on current x86's.
> Use XMM instead.

Thank you, Paul. I'm pretty sure you meant MMX, Multi-Media
eXtensions.

Paul's just told me to upgrade my 32-bit thinking to use newer 64-bit
registers, even on a 32-bit cpu. Please divide my prior timings by
two.
Pentium or later required.