[Beowulf] More AMD rumors
diep at xs4all.nl
Mon Nov 19 12:31:53 PST 2012
On Nov 19, 2012, at 8:37 PM, Robert G. Brown wrote:
> On Mon, 19 Nov 2012, Douglas Eadline wrote:
>>> On Mon, 19 Nov 2012, Douglas Eadline wrote:
>>>> Intel has a single socket Xeon (E3-12XX series Sandy/Ivy-Bridge)
>>>> and will work on single socket motherboards. Mostly designed for
>>>> the small office/home server these have more "server" features,
>>>> basically ECC, and cost slightly more than the i-5/7 series. They
>>>> are lower power as well.
>>> But are they faster?
>> That, I don't know. My guess is they are about the same as
>> the i7, but provide ECC. You know the die is pretty much the
>> same on all parts within a family. They blow a few fuses to turn
>> off capabilities and "bin" the parts based on
>> thermal performance/clock speed.
> Yeah, I just wasn't sure how much they were "within a family". You
> my motto -- a benchmark talks, bullshitting about possibilities
> Otherwise it is too easy to theorize your way into an expensive mess
> with your budget blown and no way to fix it.
> Anybody have an apples to apples comparison on some sort of real
> code or
> benchmark code i7 to one of the Xeon family CPUs?
If you're interested i have some results of diep at i7 Xeons and
2 socket Xeons that is.
Not 1 socket.
> In the meantime, let me commend the i7-3770 with this:
> processor : 7
> vendor_id : GenuineIntel
> cpu family : 6
> model : 58
> model name : Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz
> stepping : 9
> cpu MHz : 1600.000
> cache size : 8192 KB
> physical id : 0
> siblings : 8
> core id : 3
> cpu cores : 4
> apicid : 7
> initial apicid : 7
> fpu : yes
> fpu_exception : yes
> cpuid level : 13
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
> pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
> lm constant_tsc arch_perfmon pebs bts rep_good xtopology nonstop_tsc
> aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3
> cx16 xtpr pdcm sse4_1 sse4_2 x2apic popcnt aes xsave avx f16c rdrand
> lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority
> ept vpid fsgsbase smep erms
> bogomips : 6784.31
> clflush size : 64
> cache_alignment : 64
> address sizes : 36 bits physical, 48 bits virtual
> power management:
> on a pretty boring ASUS motherboard, not even a sabertooth. I
> hesitate to put together an i7 system for floating point stuff,
> with really large memory I admit ecc is moderately appealing (a
> perennial discussion:-). I would avoid overclocking it -
You did disable turboboost?
Which *is* a form of overclocking.
> - the ASUS
> boards all support aggressive overclocking -- to ensure that it
> runs in
> a nice, stable mode. I also have a small mountain of fans to keep the
> chassis cool. It's a 6 TB RAID as well as compute platform, and
> all of
> the fans have nifty blue leds and the case itself is partly
> It's gorgeous, in other words...
More information about the Beowulf