[Backport] 8322149: ConcurrentHashMap smarter presizing for copy constructor and putAll #102
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…tructor and putAll Summary: ConcurrentHashMap::ConcurrentHashMap() -> putAll() -> tryPresize() -> transfer() does a lot of unnecessary work. There is nothing to transfer from the old table, since the table is just being initialized. Testing: CI testing Reviewers: lingjun-cg, yuleil Issue: dragonwell-project#101
MaxXSoft
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lingjun-cg
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Aug 30, 2024
yuleil
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Sep 5, 2024
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[Backport] 8322149: ConcurrentHashMap smarter presizing for copy constructor and putAll
Summary: ConcurrentHashMap::ConcurrentHashMap() -> putAll() -> tryPresize() -> transfer() does a lot of unnecessary work. There is nothing to transfer from the old table, since the table is just being initialized.
Testing: CI testing
Reviewers: lingjun-cg, yuleil
Issue: #101