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post #91 of 758
Quote:
Originally Posted by BiG StroOnZ View Post

Turns out the chart is not actually from Hexus, but instead from a German website called 3DCenter.org which Hexus borrowed.

I will edit the chart myself and then re-post it.



Better?

I believe it's correct now.
edit: bulldozer decoder has 1x4 and 2x4 for steamroller and excavator
Edited by spurdomantbh - 10/6/15 at 1:57am
post #92 of 758
Quote:
Originally Posted by BiG StroOnZ View Post

Turns out the chart is not actually from Hexus, but instead from a German website called 3DCenter.org which Hexus borrowed.

I will edit the chart myself and then re-post it.



Better?

Better thumb.gif

Iirc, Haswelll is 1x 256bit add 1x256biy mul which is the same as Sandy, making it 1x256 FPU. However, they can act as two when you use FMA3 instructions with them, allowing each 1x256 unit to do both add/mul. At least I think that is what it is like.
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post #93 of 758
Quote:
Originally Posted by spurdomantbh View Post

I believe it's correct now.
edit: bulldozer decoder has 1x4 and 2x4 for steamroller and excavator

Hahaha.....lets edit it again. biggrin.gif
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post #94 of 758
Thread Starter 
Quote:
Originally Posted by spurdomantbh View Post

I believe it's correct now.
edit: bulldozer decoder has 1x4 and 2x4 for steamroller and excavator

I'll see what I can do give me a minute.

Edit:

How would you want me to represent that in the chart exactly?

Tell me how you want me to revise it and I'll fix it tomorrow night, need to get to bed for now. thumb.gif
Edited by BiG StroOnZ - 10/6/15 at 2:17am
post #95 of 758
Quote:
Originally Posted by LuckyStarV View Post

Better thumb.gif

Iirc, Haswelll is 1x 256bit add 1x256biy mul which is the same as Sandy, making it 1x256 FPU. However, they can act as two when you use FMA3 instructions with them, allowing each 1x256 unit to do both add/mul. At least I think that is what it is like.

I believe Haswell has full 2x 256bit FMA units.
Quote:
Originally Posted by sumitlian View Post

Hahaha.....lets edit it again. biggrin.gif

I kept trying to type one thing and ended up typing something else. I think I'm semi retarded :DDDDDDDDDDDDDDD
But Bulldozer has 1x4 decoder and SR/XV has 2x4
post #96 of 758
Quote:
Originally Posted by LuckyStarV View Post

Iirc, Haswelll is 1x 256bit add 1x256biy mul which is the same as Sandy, making it 1x256 FPU. However, they can act as two when you use FMA3 instructions with them, allowing each 1x256 unit to do both add/mul. At least I think that is what it is like.

True.
FMA3 and AVX2 make Haswell do 32 flops/cycle as compared to 16 flops/cycle with Sandy/Ivy.
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post #97 of 758
Quote:
Originally Posted by spurdomantbh View Post

I kept trying to type one thing and ended up typing something else. I think I'm semi retarded :DDDDDDDDDDDDDDD
But Bulldozer has 1x4 decoder and SR/XV has 2x4

No no....You ain't retarded at all. thumb.gif
We were just focusing on Sandy/ivy vs Haswell, that's it. smile.gif
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post #98 of 758
Quote:
Originally Posted by sumitlian View Post

No no....You ain't retarded at all. thumb.gif
We were just focusing on Sandy/ivy vs Haswell, that's it. smile.gif
I am though, I typed it out correctly first then closed the browser by accident biggrin.gif

Also from what I've read Haswell can do 256bit 2xFMA, 2xFMUL but only 1xFADD. Haswell has a really complicated FPU.

edit: ok sandy/ivy has 1x 256bit FMUL and 1x 256bit FADD. Haswell has 2x FMA units. So technically both Haswell and Sandy have 2x FP units, but Haswell has 2xFMA while Sandy has 1xFADD and 1x FMUL (which result in 1xFMA).
Edited by spurdomantbh - 10/6/15 at 2:33am
post #99 of 758
Now 1 year of waiting for product, keep my fingers cross:thumb:
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post #100 of 758
Made my own chart m8s. I think it's correct.


Quote:
Originally Posted by FlanK3r View Post

Now 1 year of waiting for product, keep my fingers cross:thumb:

I hope it's out on 1H 2016 tbh
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