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The true power of Sandy Bridge? (130 GFlop peak linpack) - Page 3

post #21 of 61
That is impressive, but I don't see how it is possible.

What that says is your CPU is suddenly capable of 130 billion floating point operations per second ? That means that you should now be able to break the superPI 32M record. Say 3-4 minutes ?

I'm not hatin' Balla, I'm just sayin.
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post #22 of 61
There we go, getting 123 GFlops at 4.8GHz.



Quote:
Originally Posted by ugotd8 View Post
That is impressive, but I don't see how it is possible.

What that says is your CPU is suddenly capable of 130 billion floating point operations per second ? That means that you should now be able to break the superPI 32M record. Say 3-4 minutes ?

I'm not hatin' Balla, I'm just sayin.

If superpi used AVX sure.
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post #23 of 61
Quote:
Originally Posted by BallaTheFeared View Post
No problem man.

It's called core advancement.

Look up AVX and you'll understand, SP1 allows usage of that instruction set, which basically doubled SB FP.
Is this something that enhances HT threads? Or is it just a general improvement on physical cores as well? Im just in awe that a simple "enhancement" can more than double the normal Gflops for the SB processors.
post #24 of 61
Wow, I've been schooled. Got alot of reading to do here: http://software.intel.com/en-us/avx/

Thanks!

EDIT: After reading the second post of this thread http://software.intel.com/en-us/foru...ad.php?t=79768 I went cross-eyed.

Balla, u were right on the money with the title of this thread, this is the true power of the SB. Rep 4 u.
Edited by ugotd8 - 1/16/11 at 9:26pm
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post #25 of 61
Quote:
Originally Posted by Mattb2e View Post
Is this something that enhances HT threads? Or is it just a general improvement on physical cores as well? Im just in awe that a simple "enhancement" can more than double the normal Gflops for the SB processors.
It's like hyperthreading for hyperthreads.
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post #26 of 61
Thread Starter 
Indeed, some people on OCN are unaware that there are multiple parts that do different things and all those things come together to form a CPU.



Don't go getting all affected over my floppies yo.
    
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post #27 of 61
Not going to lie. I didn't believe you at first. Good find.
    
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post #28 of 61
that's a significant increase seeing how the same cpu at 500Mhz down was only getting like 63 Gflops
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post #29 of 61
Thread Starter 
Yesterday I was getting between 68-70 GFlops, today I'm getting 130 at the same 5GHz clocks.

I'd say thats a nice little boost.

Wheres that thread were someone said "I was expecting more GFlops from SB"?


    
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post #30 of 61
So many jellies in this thread.
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