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Old Sep 27, 2006, 11:08 AM   #1
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ShaidarHaran
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Default Intel shows prototype teraflop MPU

about 29.5 minutes into the video.

80 FPUs on one chip.

Project Z FTW!
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Old Sep 29, 2006, 06:11 AM   #2
MAIA
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Nice video, but this is rather old news. If you're amazed with numbers, then you should now that Z-10240 has 128 cores. Of course we're talking about pieces of silicon measuring 600mm.

Anyway, some info about Project Z:
Quote:
MOST PEOPLE IN THE KNOW are puzzling over exactly what the unannounced Project Z is. Word has leaked out that it is a massively multicore chip on a scale that no one has even attempted before. It will truly change things.

The first one is called Z-10240, and it is a collection of 128 cores on a single slab of silicon. Each core will be a ground up reworking of the venerable Z-80, both for ISA compatibility reasons, and time to market. One engineer was quoted as saying that it should easy vendor worries about new ISAs because 'everyone know the Z-80 instruction set'.

Memory access, a large worry in chips like this is not going to be n problem here, both cache and main memory bandwidth problems have been not just addressed but solved. Since the Z-80 had a 16-bit memory addressing scheme, it could see a whopping 64K of ram. If you take into account that the original ran at 2.5MHz, a figure Intel will easily exceed, the target is about ten times that, then memory requirements should be easily satisfied by dual channel DDR-400.

This cost effective solution is not the only innovation. With an addressable memory space of 64K, at the 45nm node, it should be possible to put that much memory in as L2 cache. I told you there was lurking innovation here. This does come at a cost, with projected die sizes topping 600mm.

Performance projections are somewhere between wristwatch and dishwasher, but the team is eagerly awaiting the next generation Z-20480 due in 2009. This 256 core monster should easily have FP performance in excess of most household appliances, and will compete on a level playing field with mid-90s American cars, the '96 Taurus wagon being a key design goal.

Yes, you can have all this, in late 2007. Who said high end innovation was dead? Let the core races begin. µ
Now there's some BIG news. 128 cores on one chip? But at a massive 600mm, I doubt you'll get one in your home PC
MAIA

Edit: If the link doesn't work, replace the initial "mms://" with "http://".
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Old Sep 29, 2006, 07:16 AM   #3
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After making some research on the "80 FPU's" thing, i think you might be confused about some stuff. This demosntration was made in regards to "Intel's Tera-Scale initiative -- a set of research projects geared to bringing multi-teraflop systems to the masses by 2010", so this is not necessarly the project Z. And it's not 80 FPU's (FPU are Floating Point Units), but 80 cores per die.

MAIA
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Last edited by MAIA : Sep 29, 2006 at 07:38 AM.
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Old Sep 30, 2006, 02:45 PM   #4
ShaidarHaran
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Quote:
Originally Posted by MAIA View Post
After making some research on the "80 FPU's" thing, i think you might be confused about some stuff. This demosntration was made in regards to "Intel's Tera-Scale initiative -- a set of research projects geared to bringing multi-teraflop systems to the masses by 2010", so this is not necessarly the project Z. And it's not 80 FPU's (FPU are Floating Point Units), but 80 cores per die.

MAIA
FPUs were mentioned by name in the video, also the term teraflop was used. I'm not confused about anything.
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