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[ET] IBM unveils Power8 and OpenPower pincer attack on Intel’s x86 server monopoly - Page 11

post #101 of 166
Quote:
Originally Posted by L36 View Post

What the hell do you have to do to cool such thing?

Get a Noctua NH-D14

I'm guessing some kind of complex liquid nitrogen cooling solution.
post #102 of 166
That is one hell of a cpu!
Quote:
Originally Posted by Capt View Post

Imagine having one in your keychain. It'd be so badass! biggrin.gif
cjrhoades here used to rock a P4 on chain. This would be necklace worthy! Techy Flavor Flav.
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post #103 of 166
Not sure if I'm not thinking about this correctly, but couldn't someone with an x86 license go in and maybe, I don't know, implement the more efficient logic structures that exist in this chip as x86 instructions now?
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post #104 of 166
Quote:
Originally Posted by poizone View Post

Not sure if I'm not thinking about this correctly, but couldn't someone with an x86 license go in and maybe, I don't know, implement the more efficient logic structures that exist in this chip as x86 instructions now?

sure....If you want to write a compiler from scratch.

one of the recurring themes (and you'll hear this in the DX vs. mantle discussions) is flexibility vs precision.

common compilers like GCC can handle lots of languages on lots of different hardware.

If you were to write a compiler for just one language it would be faster because less things would get lost in translation. what was written in C could be more accurately translated down the food chain.

One of the reaons that consoles are so well "optimized" is that the compilers they use is specifically for 1 hardware setup. Which means they can very easily and very precisely control resources like memory and threads.

apologies for the complete thread jack.

----

On topic. I'm really curious how Intel will respond. They haven't had much heat from AMD in the server/high end market. I wonder if this push by IBM will force Intel to dedicate more R&D to high end chips.
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post #105 of 166
Speaking of which, I have a Core 2 Duo E8400 collecting dust somewhere. I really need to make it into a keychain while I remeber it. I would do that for my Phenom II X4 965, but it has pins on the chip.
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post #106 of 166
Quote:
Originally Posted by BlackVenom View Post

That is one hell of a cpu!
cjrhoades here used to rock a P4 on chain. This would be necklace worthy! Techy Flavor Flav.

It's too bad I lost it frown.gif
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post #107 of 166
Quote:
Originally Posted by DuckieHo View Post

POWER8 isn't a specialized chip. This is a general purpose processor just like Xeons or ARM Cortex-A9s.
It's relative!

Assembly people call machine code low-level and assembly high-level.
C people call machine code/assembly low-level and C high-level.
C++ people call machine code/assembly low-level, C mid-level and C++ high-level.
Java people call machine code/assembly low-level, bye-code/C mid-level, and Java high-level.
etc....

Quote:
Originally Posted by serothis View Post

Don't worry. noob questions are a good thing because that means you're genuinely trying to learn something new which is a good thing.

A VERY brief over view of how programming works is this. Keep in mind it's been a while since I've written a compiler (college days) so I'm skipping a lot of things and I might get a few bits wrong.

Programmers write code in a language (C/C++/java/etc). these languages that we typically program in are considered "high" level languages because we can actually comprehend them.

When a program is compiled it is translated to Intermediate representations.(tokens then trees, etc). this is where a lot of the compiler optimizations happen.

After that the code is trans formed into Assembly which is generally considered a Intermediate language. Something that we can read/understand and write but something that most programmers dread touching.

All of the code generated up to this point is "generic" code. code that can run on basically any machine given certain requirements.

After this is when code is changed and modified to run specifically on YOUR machine. i.e. specific registers, memory assignment, etc. Even more optimizations (tailored for your hardware) happen here. Once all of this happens you can no longer copy/paste this code onto another computer and expect it to work.

---

As DuckieHo said, the terms "high level" "low level" change depending on who you talk to. but they're all wrong tongue.gif

Ahh that explains a lot,Thanks.

Does anyone use assembly?if so why not just use C since it'd be much easier?
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post #108 of 166
Quote:
Originally Posted by Mad Pistol View Post

Speaking of which, I have a Core 2 Duo E8400 collecting dust somewhere. I really need to make it into a keychain while I remeber it. I would do that for my Phenom II X4 965, but it has pins on the chip.

Cover it in a clear epoxy and let it dry.
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post #109 of 166
Quote:
Originally Posted by Dantron View Post

Quote:
Originally Posted by Mad Pistol View Post

Speaking of which, I have a Core 2 Duo E8400 collecting dust somewhere. I really need to make it into a keychain while I remeber it. I would do that for my Phenom II X4 965, but it has pins on the chip.

Cover it in a clear epoxy and let it dry.

Just pull them off with a pliers. Also, epoxy doesn't dry, it cures smile.gif

Here
post #110 of 166
Whatever >.>
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