[gclist] Re: finding object prefix from infix pointer

[Pekka P. Pirinen]

Neat hacks.

>  q_rounded = q + offset_from_index(remainder); // e.g. remainder << 8

That should be remainder << 3, for consistency.

>  quotient = (i * fraction[i]) >> 20;

YM fraction[s].

> to get (relatively) fast multithreaded access to your lists [...]
> use one heap (set of sized pages) per thread,

Or just one set of free lists per thread, the pages can be shared.
-- 
Pekka P. Pirinen
Adaptive Memory Management team
Harlequin Group plc (or whatever we'll be tomorrow)