LOGIN | REGISTER NOW | SUBSCRIBE
 
 
News on Monday
more>>
SharePoint Tech Report
more>>


   

 
 
Download Current Issue
ISSUE 2/1/2010 PDF

Need Back Issues?
DOWNLOAD HERE

Receive the print Edition?


 
blogs tab
Is Microsoft eyeing Office subscription pricing?
Microsoft may be preparing to offer a new Office pricing option called "union," which charges the same for cloud as on-premises.
02/01/2010 09:38 AM EST

Facebook rewrites PHP runtime
Facebook is about to open source its own PHP runtime, written from scratch for speed.
01/30/2010 08:53 PM EST

There WILL be a JavaOne this year
JavaOne will happen in 2010, as a co-located event with Oracle's OpenWorld, on Sept. 19-23 in San Francisco.
01/27/2010 01:02 PM EST

 

Events calendar tab
Macworld 2010
2/9/2010 to 2/13/2010
San Francisco
IDG World Expo

SPTechCon 2010
2/10/2010 to 2/12/2010
San Francisco
BZ Media

PyCon 2010 (Python Conf.)
2/17/2010 to 2/25/2010
Atlanta
Python Software Foundation

Southern Calif. Linux Expo
2/19/2010 to 2/20/2010
Los Angeles
SCALE

IBM Pulse
2/21/2010 to 2/24/2010
Las Vegas
IBM


 
print Printable version 
Most Read Latest News Blog Resources
Facebook brings HipHop to PHP
HipHop compiles PHP to speed up the Web layer at world's most popular social networking si...

Syncfusion announces component suite for .NET 4
Essential Studio 2010 has business intelligence, reporting and UI controls, ready for .NET...

Oracle acquires AmberPoint
Today's merger will probably affect most of AmberPoint's existing partnerships with other ...

Digg!  Digg
Reddit  Reddit
Slashdot  Slashdot
Share on facebook  Facebook
Share on Twitter  Twitter

AMD looks for ways to optimize Java on 'Shanghai'


By David Worthington
December 17, 2008 — 
Advanced Micro Devices (AMD) is researching techniques to boost the performance of Java Virtual Machines that run on its "Shanghai" processor, which it has begun producing.

Shanghai is a quad-core processor, produced at a 45nm technology node, that features increased cache size, a new iteration of HyperTransport and reduced power consumption. The chip also uses AMD's Instruction-Based Sampling (IBS) performance monitoring technique.

The company is working with JVM developers, including IBM, Oracle and Sun Microsystems, to build a framework that uses information provided by IBS to improve the performance of JVMs, said Ben Pollan, manager of AMD's Java Labs. He added that the work was happening in research, and it could take several years until production JVMs leverage IBS.

In another technique, AMD is leveraging parallel programming by providing JVMs with better management of hardware resources in multicore processors.

For instance, garbage collection may be assigned to certain processor cores, while graphics operations are offloaded to the graphics processing unit (GPU), Pollan explained.

"Offloading graphics to the GPU is a natural path [for AMD] after the ATI acquisition," he said. AMD acquired graphics chipmaker ATI in 2006, and it has recently worked to merge CPU and GPU programming by creating a unified software development kit that supports Open Computing Language. AMD's work that is applicable to JVM developers, however, remains in research.

In the near term, the company is continuing to offer short-term revisions and optimizations through its performance engineering process, Pollan said. AMD contributes code to the OpenJDK community to streamline that process, he added.


Related Search Term(s): Java, multicore, AMD


Share this link: http://www.sdtimes.com/link/33123
 

Add comment


Name*
Email*  
Country     


  • Comment
  • Preview
Loading