[
http://jira.codehaus.org/browse/RVM-341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ian Rogers updated RVM-341:
---------------------------
Fix Version/s: (was: 2.9.4)
1000
> Improved copying in VM_Memory
> -----------------------------
>
> Key: RVM-341
> URL:
http://jira.codehaus.org/browse/RVM-341> Project: RVM
> Issue Type: Improvement
> Components: Instruction Architecture: Intel, Runtime
> Reporter: Ian Rogers
> Fix For: 1000
>
>
> r13857 improved memory copying for Intel with SSE2 so that we used 64bit copies rather than 32bit copies. This gave a large number of speed ups:
>
http://jikesrvm.anu.edu.au/cattrack/results/rvmx86lnx32.anu.edu.au/perf/1790/performance_report> most notably on SpecJBB 2000. There is a low-hanging fruit to improve this further, for example, by using 128bit copies and using more than 1 register to do the copying.
--
This message is automatically generated by JIRA.
-
If you think it was sent incorrectly contact one of the administrators:
http://jira.codehaus.org/secure/Administrators.jspa-
For more information on JIRA, see:
http://www.atlassian.com/software/jira
-------------------------------------------------------------------------
Check out the new SourceForge.net Marketplace.
It's the best place to buy or sell services for
just about anything Open Source.
http://sourceforge.net/services/buy/index.php_______________________________________________
Jikesrvm-issues mailing list
Jikesrvm-issues@...
https://lists.sourceforge.net/lists/listinfo/jikesrvm-issues
