Re: Guile GC behaviour

[Ivan Karski <karski at nym dot alias dot net>]

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Christian Lynbech <chl@tbit.dk> writes

   However, the allocation of new heap segments is kind of orthogonal to
   the gc process itself. The process goes something like this: when gc
   is finished it estimates the fraction of the heap cleared up. If this
   is too small, a new heap segment is allocated. 

Of what size?

In libguile/gc.c comments we read

 * SCM_INIT_HEAP_SIZE is the initial size of heap.  If this much heap is
 * allocated initially the heap will grow by half its current size
 * each subsequent time more heap is needed.

but the code is

#define SCM_EXPHEAP(scm_heap_size) (scm_heap_size*2)

So is it half or twice?


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