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Bug ID: JDK-6973570 OrderAccess::storestore() scales poorly on multi-socket x64 and sparc: cache-line ping-ponging
JDK-6973570 : OrderAccess::storestore() scales poorly on multi-socket x64 and sparc: cache-line ping-ponging

Details
Type:
Bug
Submit Date:
2010-07-30
Status:
Closed
Updated Date:
2011-05-11
Project Name:
JDK
Resolved Date:
2011-04-23
Component:
hotspot
OS:
generic
Sub-Component:
runtime
CPU:
generic
Priority:
P3
Resolution:
Fixed
Affected Versions:
hs19
Fixed Versions:
hs19 (b06)

Related Reports
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Sub Tasks

Description
See comments section.

                                    

Comments
EVALUATION

SubCR's will be needed for other releases to which 6948538 is planned to be backported.
                                     
2010-07-30
SUGGESTED FIX

file:///net/neeraja.us.oracle.com/export/ysr/store_store/webrev/index.html

(When we move to SS12.2 we should use the new compiler support for barriers,
for which a separate bug will be filed.)
                                     
2010-08-05
EVALUATION

http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/a6bff45449bc
                                     
2010-08-11



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