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[Phoronix] AMD Bulldozer Dual-Interlagos Benchmarks On Linux - Page 3

post #21 of 39
Quote:
Originally Posted by Brutuz View Post
8 core with 16 threads? If so, Bulldozer is going to be some serious competition for Intel...Considering it has a clock speed disadvantage here.


LGA2011 won't be any faster than 1155 clock for clock except in the few memory intensive applications, for cores? Well, AMD has that covered already...Going from this and the rough clock speeds, assuming equal clocks then AMD will probably be roughly equal to Intel when its BD vs 2011 8 core.
Intel will also have the Hyper-Threading advantage as their 8-core will be able to handle 16 threads. Granted AMD's thread handling should be better than Intel's non-hyper-threaded CPU's. I'm thinking that Bulldozer should compete well with Sandy Bridge and Bulldozer 2 (2012) should compete well with Ivy Bridge.

I'm curious though, how many threads does the average OCN user actually have running simultaneously?
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post #22 of 39
This doesn't really tell you much. I'm waiting for more benchmarks. I'll probably be looking to get the quad-core version of Bulldozer if it's ~$150 or less and is around as fast or just a bit slower than the 2500K. I'm thinking of only spending $600 for a gaming build.
    
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post #23 of 39
Quote:
Originally Posted by dodger.blue View Post
Intel will also have the Hyper-Threading advantage as their 8-core will be able to handle 16 threads. Granted AMD's thread handling should be better than Intel's non-hyper-threaded CPU's. I'm thinking that Bulldozer should compete well with Sandy Bridge and Bulldozer 2 (2012) should compete well with Ivy Bridge.

I'm curious though, how many threads does the average OCN user actually have running simultaneously?
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post #24 of 39
Quote:
Originally Posted by konspiracy View Post
What we have been needing is some normal benchmarks to leak.
Fixed.
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post #25 of 39
Quote:
Originally Posted by LOL_Wut_Axel View Post
This doesn't really tell you much. I'm waiting for more benchmarks. I'll probably be looking to get the quad-core version of Bulldozer if it's ~$150 or less and is around as fast or just a bit slower than the 2500K. I'm thinking of only spending $600 for a gaming build.

$600 won't buy you much mate, I'd find a way to save another $600 if you want an awesome rig.. I don't think you could build a real gaming rig for $600, even with combo deals you would be hard pressed to get a nice system.
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post #26 of 39
Quote:
Originally Posted by _GTech View Post
$600 won't buy you much mate, I'd find a way to save another $600 if you want an awesome rig.. I don't think you could build a real gaming rig for $600, even with combo deals you would be hard pressed to get a nice system.
Not at 1900x1080, but there's no reason why $600 couldn't give you more than 60fps at 1440x900.
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post #27 of 39
Quote:
Originally Posted by dodger.blue View Post
Not at 1900x1080, but there's no reason why $600 couldn't give you more than 60fps at 1440x900.
600$'s enough to drive my monitor.
post #28 of 39
Quote:
Originally Posted by _GTech View Post
$600 won't buy you much mate, I'd find a way to save another $600 if you want an awesome rig.. I don't think you could build a real gaming rig for $600, even with combo deals you would be hard pressed to get a nice system.
I just built my friend a system for $800 and it pulls 23k points in 3dm6 and games very well at 1600x1050 in BC2.


I can't wait to see more clear cut benchmarks than this one, too many strange variables IMO.
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post #29 of 39
By some crazy level of math in my head and the assumption of 100% clock and core scaling as # of cores and clock speeds go down.

I read 32 cores at 1.8Ghz somewhere in this thread/source.
32 Cores at 1.8Ghz = 25.97sec
8 Cores at 6.4Ghz = 25.97sec
8 Cores at 3.2Ghz = 51.94sec (????)
8 Cores at 4Ghz = 38.955sec (????)

Thank god I'm not a math major.
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post #30 of 39
Quote:
Originally Posted by nathris View Post
Its just under twice as fast an i7 950 with HT enabled.


Thats 32 cores with 64GB of ram vs 4 cores + 4 fake cores and 24GB of ram. A dual i7 950 system would probably be equal/faster.


Not at all surprised though. C-ray is a raytracing benchmark, and raytracing is almost exclusively floating point, which Bulldozer fails at. Its a 32 "core" system, but it only has 16 floating point units, which should perform fairly close to 8 hyperthreaded Nehalem FP units, given the clock difference.
The floating point should be as fast as a sandy bridge processor barring AVX instruction sets... There is one FPU per two core but it is 256 bit so it can process two 128-bit instructions, making it the equivalent of two normal Phenom II FPUs. Theoretically there should be more throughput.

But for all we know someone just spoofed these results. There is something glaringly wrong here: the "interlagos" results for 16 256-bit FPUs are only twice as fast as compared to the 2500k's 4 256-bit FPUs (which, unless the program uses 256bit AVX instruction sets, should only be doing one 128bit instruction per clock as it is).
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