Btw. for the new i7-3960X cpu intel even DISABLED 2 cores (the chip itself has got 8 when called Xeon). They wanted more turbo boost time, thats clear... If they wanted they could have sold it as 8 core as well, but compared to AMD they test before what solution is faster: higher clock speed or more active cores...
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AMD FX-8150 Bulldozer On Ubuntu Linux
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That so many people lambast the Bulldozer architecture and think that AMD "should have tweaked Phenom II" goes to show how short-sighted readers are.
Readers of computer technology websites at that, so you'd expect them to have some modicum of literacy in the matter. Scary... Worst I've seen is probably HardOCP.
1. Software: if software can't use the CPU properly, said CPU is neutered
2. Fusion: that's the long term plan, with FPU-intensive, massively parallel workloads taken care of by the GPU part of the silicon
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Originally posted by Kano View PostBtw. for the new i7-3960X cpu intel even DISABLED 2 cores (the chip itself has got 8 when called Xeon). They wanted more turbo boost time, thats clear... If they wanted they could have sold it as 8 core as well, but compared to AMD they test before what solution is faster: higher clock speed or more active cores...
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Originally posted by PsynoKhi0 View PostThat so many people lambast the Bulldozer architecture and think that AMD "should have tweaked Phenom II" goes to show how short-sighted readers are.
Readers of computer technology websites at that, so you'd expect them to have some modicum of literacy in the matter. Scary... Worst I've seen is probably HardOCP.
1. Software: if software can't use the CPU properly, said CPU is neutered
2. Fusion: that's the long term plan, with FPU-intensive, massively parallel workloads taken care of by the GPU part of the silicon
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I don't think Intel is disabling cores on SB-E because it's a better chip that way, but rather because it creates a better fit with their yield management and market segmentation strategy. How else would they charge twice as much for the Xeon E5-2687W? Similarly, why else would 3930K only have 12MB of L3 cache?
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Originally posted by raj7095 View Postalso, if the software can't use the cpu properly, they shouldn't have released it in the first place, save it for later on, keep optimizing it, keep an ace up the sleeve which gets rid of the competition when the time is right. just keep baking it till its cooked. not half. and atm, if they did release a tweaked phenom, consumers would be much happier.
And again: the marketing surrounding BD has been complete and utter trash. I'm first in line saying that.
Re-read all reviews, replacing all instances of "n cores" by "n/2 modules". Suddenly you're comparing 2/3/4 module Bulldozer to 4-6 core Phenom II. And performance looks much better. What difference the wording makes!
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I've had my FX-8120 for about a week now. It is extremely fast, regardless of whatever spin Intel and their minions try to put on it. Let's discuss how and why:
Virtualbox: I can practically simulate an entire virtual city, I'm limited more by "only" having 16GB of RAM than I am by Bulldozer. If you think Sandy Bridge can run as many VMs simultaneously then you are clearly delusional, unless you're rationale is that SB wins some bizarre floating point benchmark in a VM. Given that no sane person would choose to virtualize a number-crunching/rendering/compiling type app, that is a really a poor way to benchmark it. 99% of people virtualize low to medium intensity servers and give them one real core each, where Bulldozer wins by default, by having more cores. Assigning more than 1 VM to a core on an Intel HT CPU is just asking for trouble.
Truecrypt: 2GB/s AES encryption, and 200+MB/s AES-Twofish-Serpent encryption using the built in benchmark. This also translates into a server than easily saturate 2 or more gigabit RJ45 ports with SSH encrypted data using scp without slowing down anything else that's running.
Multitasking/Apps: I have yet to hit the threshold where anything starts slowing down, I can run numerous VMs, Netbeans, Firefox and Banshee all at the same time, and new apps still launch instantaneously.
I've also used Sandy Bridge in real life(where most of you haven't used Bulldozer), and Sandy certainly doesn't feel any faster in single threaded loads(because 10-30% isn't noticeable in real life), but it definitely feels slower with more parallel workloads.
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Originally posted by Kano View PostI would not say that the average VBox user will use more than 2 vms the same time. But when you really need more than 4 vms then you could be right that a few more cores would not hurt.
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I'm looking at it on the virtualization front as well
For me I don't give a rats about the gaming or desktop app performance which is what keeps getting benchmarked. How does it handle 4 VM's, and 3 of them have 2 vCPU's? For that type of load, it seems this chip is perfect for home server usage. Going forward I think this is the right direction in architecture since everything (in business, and some at home too) is going to virtual, from phones, tablets, and desktops, while new "servers" are already almost all virtual already. The big issue is this is a version 1 part, and it is still server tuned rather than desktop. AMD's strategy *should* work well LONG term, but short term? Yeah, not good. Intel is still betting on single threaded performance, and that could backfire really quick if everything *finally* shifts to multithreaded now that the writing is firmly on the wall... Time will tell whether Intel's current strategy or AMD's current strategy will succeed or backfire. I'd prefer that AMD keep going and innovating, since Intel hasn't proven itself capable of doing that in the absence of proper competition.
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