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[computer world]Microsoft presses Intel for 16-core Atom chip

post #1 of 26
Thread Starter 
Quote:
IDG News Service - Microsoft has asked Intel to develop a 16-core version of its low-power Atom chip for use in servers, part of a wider effort to reduce power consumption in its massive data centers, a Microsoft executive said Thursday.
source

I wonder if there is much of a market for this?
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post #2 of 26
If Microsoft plans on replacing the CPUs in their data centers, then yes, that would be a large market. Lol, and I'm sure other server-users would look into it as well and possibly use it.
post #3 of 26
God WHY??. I think it's better an 80W-115W AMD 12 core(the one with lower clock), than 16 core of this 0.6GFLop per core thing.

Unless they do it all by integers, in that case it may not be the best solution but it's at least acceptable.
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post #4 of 26
Thread Starter 
Quote:
Originally Posted by Madman340 View Post
If Microsoft plans on replacing the CPUs in their data centers, then yes, that would be a large market. Lol, and I'm sure other server-users would look into it as well and possibly use it.
but tying product development to one companies needs doesn't necessarily seem like a good idea unless there were safeguards put in place, deals signed, etc.
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post #5 of 26
Microsoft gets what microsoft wants
    
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post #6 of 26
I have already addressed this somewhat:

http://blogs.amd.com/work/2010/11/29...-little-cores/
post #7 of 26
Quote:
Originally Posted by fabrizziop View Post
God WHY??. I think it's better an 80W-115W AMD 12 core(the one with lower clock), than 16 core of this 0.6GFLop per core thing.

Unless they do it all by integers, in that case it may not be the best solution but it's at least acceptable.
Erm, because the total number of watts a current atom uses can be counted on your fingers.

Yeah, it'd save a bunchload in electricity.
post #8 of 26
Quote:
Originally Posted by SgtSpike View Post
Erm, because the total number of watts a current atom uses can be counted on your fingers.

Yeah, it'd save a bunchload in electricity.
Not necessarily.

Quote:
A “Bobcatâ€-based APU is 9W or 18W of power, and a dual core design, which seems pretty power efficient. Since they are dual core, a “Bobcatâ€-based APU is 4.5-9W per core. When you compare that to the AMD Opteron 4100 Series processors (the EE version) with a 32W ACP (5.33W/core) you see that our current server products are in the same range in a “per core†level. Even the AMD Opteron 6100 Series processors can actually reach down to 5.41W/core with the HE models, but the total power (remember that it has 12 cores) is higher.
This is a snippet from JF-AMD's blog which he posted just above you, addressing that point. Per core, they aren't exactly leaps and bounds ahead of the Opteron server CPU's.
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post #9 of 26
Quote:
Originally Posted by IcedEarth View Post
Not necessarily.

This is a snippet from JF-AMD's blog which he posted just above you, addressing that point. Per core, they aren't exactly leaps and bounds ahead of the Opteron server CPU's.
I b pwned.

Thanks for the info though.
post #10 of 26
And the biggest problem? They are single socket only. That means you have more physical servers to manage and keep track of. In addition, you spend much more time passing data and instructions between nodes vs. between sockets. Message passing at the socket level is an order of magnitude faster.

Combine this with some 4P platforms and you are looking at 48 cores in one platform today and 64 cores in that same platform in a few more months.

If you had to process a scalable workload with lots of interdependencies across 64 cores would you rather do it with 1 box, all local or on 32 boxes, all over a fabric interconnect.

Maybe I am just a simple guy, but that just sounds like a bad idea. Especially if they are using Gb as their interconnect. Maybe it would be faster with infiniband, but the cost of 32 host adapters and switches would kill you.

For plain processing power you can't beat the 4P Opteron. Especially when you can configure 4x 6168 CPUs, 32GB, a drive and a 3 year warranty for only $7500. To do 24 nodes against today's platform you'd need those nodes to be $234 each. And your interconnect cost would have to be $0.

Trust me, I have done this math more times than anyone else here - the numbers just don't work. Unless an Atom core is ~3-4 the performance of an Opteron core. Anyone want to take a bet on that one?
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