Feeds

Intel Hyper-threading to return with 45nm 'Nehalem'

Memory controller, GPU to be added too

Internet Security Threat Report 2014

Intel's next major processor architecture, the 45nm 'Nehalem', will see the re-introduction of the chip maker's Hyper-threading simultaneous multi-threading technology, the company confirmed today. Nehalem chips will also feature an integrated memory controller and a graphics core.

Nehalem is due to go into initial production in 2008 and builds on the 45nm Core 2 architecture revision, 'Penryn', that Intel is due to put into volume production later this year. Penryn incorporates more advanced power management and fourth-generation SSE multimedia extensions, and these will appear in Nehalem too, and extended.

Hyper-threading Technology (HT) will allow each core within a Nehalem processor to appear as a pair of virtual cores, essentially by utilising otherwise unneeded instruction execution units. The result isn't a doubling of performance - HT only works well when the second thread will fit into the execution units not required by the first thread.

Intel suggested Nehalem-generation processors will contain up to eight cores, allowing them to process up to 16 threads simultaneously, with that thread suitability caveat applying, of course. The architecture's core-level dynamic power management system will extend to caches and operate at a thread level, suggesting that any still unused execution units can be temporarily powered down.

The chip maker has been hinting at adding an integrated memory controller to processors for some years, and it looks like that will finally take place with Nehalem. Interestingly, like the on-board graphics core, the integrated memory controller is "optional", for which read that they won't appear in all Nehalem-generation processors.

The GPU, for example, will appear in products aimed at mainstream users, so don't expect to see one inside a Nehalem-era Core 2 Extreme, for example.

Both elements will increase the bandwidth required between the CPU and the rest of the system, and Intel revealed Nehalem chips will see the introduction of a serial, point-to-point system bus. AMD's had one of these for some time - as, indeed, it's had on-board memory controllers. It uses HyperTransport. Intel didn't say which technology it will be using, but it did say the interconnect will be "scalable and configurable", presumably to cater for CPUs with a memory controller and GPU, and those without.

Intelligent flash storage arrays

More from The Register

next story
Hi-torque tank engines: EXTREME car hacking with The Register
Bentley found in a hedge gets WW2 lump insertion
What's MISSING on Amazon Fire Phone... and why it WON'T set the world alight
You fought hard and you saved and earned. But all of it's going to burn...
Trousers down for six of the best affordable Androids
Stylish Googlephones for not-so-deep pockets
Download alert: Nearly ALL top 100 Android, iOS paid apps hacked
Attack of the Clones? Yeah, but much, much scarier – report
Fujitsu CTO: We'll be 3D-printing tech execs in 15 years
Fleshy techie disses network neutrality, helmet-less motorcyclists
prev story

Whitepapers

Designing and building an open ITOA architecture
Learn about a new IT data taxonomy defined by the four data sources of IT visibility: wire, machine, agent, and synthetic data sets.
The total economic impact of Druva inSync
Examining the ROI enterprises may realize by implementing inSync, as they look to improve backup and recovery of endpoint data in a cost-effective manner.
A strategic approach to identity relationship management
ForgeRock commissioned Forrester to evaluate companies’ IAM practices and requirements when it comes to customer-facing scenarios versus employee-facing ones.
Reg Reader Research: SaaS based Email and Office Productivity Tools
Read this Reg reader report which provides advice and guidance for SMBs towards the use of SaaS based email and Office productivity tools.
Business security measures using SSL
Examines the major types of threats to information security that businesses face today and the techniques for mitigating those threats.