[Python-Dev] Re: acceptability of asm in python code?

David Eppstein eppstein@ics.uci.edu
Sat, 08 Mar 2003 21:33:06 -0800

In article <000501c2e5f8$c384b6e0$6401a8c0@damien>,
 "damien morton" <dmorton@bitfurnace.com> wrote:

> > If you had said "a huge speedup, on all programs", on the 
> > weak end of maybe. "Small speedup" isn't worth the obscurity. 
> >  Note that Python contains no assembler now.
> Its arguable which is more obscure, the x86 assembly instruction "jo"
> (jump if overflow), or the xor trickery in C. <wink>
> I take your point, though, about there being no assembly in python now.

The place to put this sort of low-level instruction optimization is in 
the peepholer of your C compiler.

David Eppstein                      http://www.ics.uci.edu/~eppstein/
Univ. of California, Irvine, School of Information & Computer Science