New algorithm for selecting evacuation candidates

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index 4232e3997170477afe72edc82883c8a45183fab8..28a159e7d5785b245c85daf243b91237573f7815 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -608,6 +608,10 @@ DEFINE_INT(trace_allocation_stack_interval, -1,
 DEFINE_BOOL(trace_fragmentation, false, "report fragmentation for old space")
 DEFINE_BOOL(trace_fragmentation_verbose, false,
             "report fragmentation for old space (detailed)")
+DEFINE_INT(max_evacuation_size, 0,
+           "maximum total size of evacuated objects per space (in Mbytes)")
+DEFINE_INT(target_fragmentation, 40,
+           "the goal maximum percentage of free space in committed memory")

[Hannes Payer (out of office), 2015/05/27 08:49:30]

goal -> target

[ulan, 2015/05/27 11:33:20]

Removed the flags.

 DEFINE_BOOL(collect_maps, true,
             "garbage collect maps from which no objects can be reached")
 DEFINE_BOOL(weak_embedded_maps_in_optimized_code, true,