16 lines
615 B
YAML
16 lines
615 B
YAML
define: DUK_USE_HOBJECT_ARRAY_ABANDON_LIMIT
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introduced: 2.1.0
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default: 2
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tags:
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- performance
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- lowmemory
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description: >
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Abandon array part if its density is below L and array is larger than
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DUK_USE_HOBJECT_ARRAY_ABANDON_MINSIZE. The limit L is expressed as
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a .3 fixed point point, e.g. 2 means 2/8 = 25%.
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The default limit is quite low: one array entry with packed duk_tval is 8
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bytes whereas one normal entry is 4+1+8 = 13 bytes without a hash entry,
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and 17-21 bytes with a hash entry (load factor 0.5-1.0). So the array part
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shouldn't be abandoned very easily from a footprint point of view.
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