Dec 6 2007, 12:03 PM
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well.. i don't know whether they put multiple core into 1 gpu or a single board comprising of multiple smaller gpus
and.. to get more performance, you need to cram more transistor in the single die.. which currently we are hitting 700mill for 8800GT. i think its cheaper to manufacture smaller gpu compared to a single large gpu.
and.. to get more performance, you need to cram more transistor in the single die.. which currently we are hitting 700mill for 8800GT. i think its cheaper to manufacture smaller gpu compared to a single large gpu.
The diagram states its Multi Chip Module (MCM) so it's multiple dies (perhaps even > 2 ?) on a single substrate. Most likely will be connected via Hypertransport. It will be cheaper to manufacture the dies but slightly harder to assemble.
QUOTE(ikanayam @ Dec 6 2007, 11:25 AM)
It's not like a single dual core cpu sharing a single memory controller, because that would give them no benefit. It's more likely to have chips with independent memory controllers and nonoverlapping address spaces, like amd chips connected via hypertransport. It's an improved crossfire.
I believe Larabee is going to have multiple in-order x86 cores with separate L2 caches all attached to a larger shared memory: kind of like how C2D have a shared last level cache (LLC).
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