"Adam Olsen" <[EMAIL PROTECTED]> writes:

> * Bolt-on tracing GC such as Boehm-Demers-Weiser.  Totally unsupported
> by the C standards and changes cache characteristics that CPython has
> been designed with for years, likely with a very large performance
> penalty.

Last time I did some GC benchmarks (unrelated to Python), Boehm GC
came up surprisingly fast. I suppose it's faster than malloc +
reference counting (not sure how much amortizing malloc calls helps).

I don't like the idea of a conservative GC at all in general, but
Boehm GC seems to have very good quality, and it's easy to use from
the point of view of a C API.

-- 
   __("<         Marcin Kowalczyk
   \__/       [EMAIL PROTECTED]
    ^^     http://qrnik.knm.org.pl/~qrczak/
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