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Bug ID: JDK-7028394 Newer AMD Processor Prefetch Defaults
JDK-7028394 : Newer AMD Processor Prefetch Defaults

Details
Type:
Enhancement
Submit Date:
2011-03-17
Status:
Closed
Updated Date:
2011-04-24
Project Name:
JDK
Resolved Date:
2011-04-24
Component:
hotspot
OS:
generic
Sub-Component:
compiler
CPU:
x86
Priority:
P4
Resolution:
Fixed
Affected Versions:
hs21
Fixed Versions:
hs21 (b05)

Related Reports
Backport:

Sub Tasks

Description
Please review this patch which changes a flag default for some
newer AMD processors.  The webrev is at

  http://cr.openjdk.java.net/~tdeneau/bd-prefetch/webrev.01/

This new default has shown improvement across many workloads.
I do not have a bug id for this.

-- Tom Deneau, AMD

                                    

Comments
EVALUATION

http://hg.openjdk.java.net/jdk7/hotspot-comp/hotspot/rev/82de9bd880e3
                                     
2011-03-17
EVALUATION

http://hg.openjdk.java.net/jdk7/hotspot-rt/hotspot/rev/82de9bd880e3
                                     
2011-03-21



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