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ptabor
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So what's the difference between these two technologies? seems to me they're almost the same, no?
But there is some competition with regards to memory access.chroot said:A dual core processor literally has two times as many function units as a single-core processor, and can really run two programs concurrently, with no competition for function units.
Source please?But there is some competition with regards to memory access.
For instance the AMD dual cores are better optimized for this than the current Intel processors.
Anttech said:Source please?
I have a dual core 2.0Ghz with 2 gig Ram runing osX 10.4. I have Umbuntu and XP virtually running on top, with only a small performance hit. I use a LOT of RAM doing this however.
I don't think I could have done that with hyperthreaded proc
Jeff Reid said:It's my understanding that the Intel Dual Core CPU's share the cache, which eliminates the logic required to invalidate one CPU's cache when another CPU modifies memory with a non-shared cache.
For 15 years? I would never have characterised them as supercomputers.chroot said:The algorithms for cache-coherent non-uniform memory access have been in existence for many years. SGI has had such technology in their supercomputers for something like 15 years now.
MeJennifer said:For 15 years? I would never have characterised them as supercomputers.
They just did the graphics fast.
Yes right now, but certainly not 15 years ago!chroot said:What are you, a joker? They make the finest supercomputers on the planet. The fourth largest supercomputer in existence right now is an SGI machine with 10,160 processors.
MeJennifer said:Yes right now, but certainly not 15 years ago! Some years ago they reinvented themselves, rather than calling people names it would be nicer to study the history of the company.
See for instance http://en.wikipedia.org/wiki/Silicon_Graphics"
Dual core refers to a processor with two physical cores, while hyperthreading refers to a technology that allows a single physical core to behave like two logical cores.
Hyperthreading can improve multitasking performance by allowing two threads to run simultaneously on a single physical core, but dual core processors have two physical cores which can also improve multitasking performance.
No, not all dual core processors have the hyperthreading technology. It depends on the specific processor model and manufacturer.
It depends on the specific tasks and applications being run. In general, a dual core processor may perform better in tasks that require multiple cores, while a hyperthreaded processor may perform better in tasks that can benefit from simultaneous multithreading.
It depends on your specific computing needs and budget. Generally, a hyperthreading processor may be more beneficial for tasks that require multitasking and can benefit from simultaneous multithreading. It is important to research and compare the specific features and performance of different processors before making a decision.