17 lines
719 B
YAML
17 lines
719 B
YAML
define: DUK_USE_STRTAB_RESIZE_CHECK_MASK
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introduced: 2.1.0
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default: 255
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tags:
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- performance
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- lowmemory
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description: >
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Somewhat technical: bit mask (must be 2^N-1) used against heap->st_count to
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determine the interval between string table resize checks. A resize check
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is made when heap->st_count & DUK_USE_STRTAB_RESIZE_CHECK_MASK is zero.
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A large value makes string table grow/shrink checks less frequent. Usually
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this has very little practical impact on memory performance. There are
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corner cases, such as dereferencing a large number of strings simultaneously,
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where this parameter affects how many new strings need to be inserted before
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the string table shrinks to a more appropriate size.
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