On 2012-01-01, at 13:44, Richard W.M. Jones wrote:
> Is compaction disabled? lablgtk disables it unconditionally by
> setting the global Gc max_overhead (see also the Gc documentation):
>
> src/gtkMain.ml:
> let () = Gc.set {(Gc.get()) with Gc.max_overhead = 1000000}
Anyone who disables compaction should seriously consider switching
to the first-fit allocation policy:
let () = Gc.set {(Gc.get ()) with Gc.allocation_policy = 1}
This may slow down allocations a bit, but the theory tells us that
it completely prevents unbounded fragmentation of the OCaml heap.
-- Damien
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