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by FeepingCreature
1312 days ago
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Aiui, it's one object that happens to sometimes be allocated at an offset where two fields in it lie across a cache line boundary. ASLR only affects static offsets, not heap memory. edit: Pointers will be 8-aligned. Random 16-byte allocation if one pointer is at 8-offset and the next is at 0-offset will sometimes give you a cache-line crossing. Admittedly it should be 25%, not 12%... Maybe Java's allocator is only 8-aligned? |
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