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Bug Database
Bug ID: 6753547
Votes 0
Synopsis NUMA allocator: Invalid chunk size computation during adaptive resizing
Category hotspot:garbage_collector
Reported Against
Release Fixed hs14(b06)
State 10-Fix Delivered, bug
Priority: 3-Medium
Related Bugs
Submit Date 28-SEP-2008
Description
The per-lgrp chuck size can be incorrectly computed because of the non-associativity of the floating point operations:

Expression z = x1 * y / x2 with x1 <= x2 can yield z > y, which applied to chunk size computation can result in a chunk size bigger that available.
Posted Date : 2008-09-28 06:53:22.0
Work Around
N/A
Evaluation
http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/ab4a7734b9c4
Posted Date : 2008-10-07 06:17:27.0
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