United StatesChange Country, Oracle Worldwide Web Sites Communities I am a... I want to...
Bug ID: JDK-7039731 arraycopy could use prefetch on SPARC
JDK-7039731 : arraycopy could use prefetch on SPARC

Details
Type:
Enhancement
Submit Date:
2011-04-26
Status:
Closed
Updated Date:
2011-11-28
Project Name:
JDK
Resolved Date:
2011-11-28
Component:
hotspot
OS:
solaris_nevada
Sub-Component:
compiler
CPU:
sparc
Priority:
P3
Resolution:
Fixed
Affected Versions:
6u23
Fixed Versions:
hs22 (b05)

Related Reports
Backport:
Backport:

Sub Tasks

Description
It should be possible to optimize arraycopy to improve copy performance - Pl. see comments for more details.

                                    

Comments
EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/2f9b79ddb05c
                                     
2011-09-03
PUBLIC COMMENTS

Use BIS and prefetch in arraycopy stubs for Sparc (BIS for T4 only).
                                     
2011-09-06
EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/2f9b79ddb05c
                                     
2011-09-08
EVALUATION

See main CR
                                     
2011-09-14



Hardware and Software, Engineered to Work Together