Re: What happened to the ex-Guile VM?

[Keisuke Nishida]

At 20 Mar 2001 22:52:34 +0100,
Marius Vollmer wrote:
> 
> >   % guile-vm  ;; debug engine
> >   address@hidden> ,time (fib 30)
> >   $3 = 1346269
> >   clock utime stime cutime cstime gctime
> >    3.12  3.11  0.00   0.00   0.00   0.00
> 
> Nice!  With Lightning and hand coding the assembler (probably
> pessimizing it on the way), I get a speedup of 28 compared to the
> debugging evaluator and 11 compared to the normal evaluator.  Since
> you get a speedup of about 7.5, this speaks very much for your VM.

I realized that I had compiled the VM with no optimization (-O0).
With -O2 and the fast engine, I get a speedup of about 13.7:

  address@hidden> ,time (fib 30)
  $2 = 1346269
  clock utime stime cutime cstime gctime
   1.73  1.72  0.00   0.00   0.00   0.00

Just for your information.

Kei