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A multi-core processor (or chip-level multiprocessor, CMP) combines two or more independent cores into a single package composed of a single integrated circuit (IC), called a die, or more dies packaged together. The individual core is normally a CPU. A dual-core processor contains two cores, and a quad-core processor contains four cores. A multi-core microprocessor implements multiprocessing in a single physical package. A processor with all cores on a single die is called a monolithic processor. Cores in a multicore device may share a single coherent cache at the highest on-device cache level (e.g. L2 for the Intel Core 2) or may have separate caches (e.g. current AMD dual-core processors). The processors also share the same interconnect to the rest of the system. Each "core" independently implements optimizations such as superscalar execution, pipelining, and multithreading. A system with n cores is effective when it is presented with n or more threads concurrently. The most commercially significant (or at least the most 'obvious') multi-core processors are those used in personal computers (primarily from Intel and AMD) and game consoles (e.g., the eight-core Cell processor in the PS3 and the three-core Xenon processor in the Xbox 360). In this context, "multi" typically means a relatively small number of cores. However, the technology is widely used in other technology areas, especially those of embedded processors, such as network processors and digital signal processors, and in GPUs.

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Wikipedia About Dual-core

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A multi-core processor (or chip-level multiprocessor, CMP) combines two or more independent cores into a single package composed of a single integrated circuit (IC), called a die, or more dies packaged together. The individual core is normally a CPU. A dual-core processor contains two cores, and a quad-core processor contains four cores. A multi-core microprocessor implements multiprocessing in a single physical package. A processor with all cores on a single die is called a monolithic processor. Cores in a multicore device may share a single coherent cache at the highest on-device cache level (e.g. L2 for the Intel Core 2) or may have separate caches (e.g. current AMD dual-core processors). The processors also share the same interconnect to the rest of the system. Each "core" independently implements optimizations such as superscalar execution, pipelining, and multithreading. A system with n cores is effective when it is presented with n or more threads concurrently. The most commercially significant (or at least the most 'obvious') multi-core processors are those used in personal computers (primarily from Intel and AMD) and game consoles (e.g., the eight-core Cell processor in the PS3 and the three-core Xenon processor in the Xbox 360). In this context, "multi" typically means a relatively small number of cores. However, the technology is widely used in other technology areas, especially those of embedded processors, such as network processors and digital signal processors, and in GPUs.

The amount of performance gained by the use of a multicore processor depends on the problem being solved and the algorithms used, as well as their implementation in software (Amdahl's law). For so-called "embarrassingly parallel" problems, a dual-core processor with two cores at 2GHz may perform very nearly as fast as a single core of 4GHz. Other problems though may not yield so much speedup. This all assumes however that the software has been designed to take advantage of available parallelism. If it hasn't, there will not be any speedup at all. However, the processor will multitask better since it can run two programs at once, one on each core.

Terminology

There is some discrepancy in the semantics by which the terms multi-core and dual-core are defined. Most commonly they are used to refer to some sort of central processing unit (CPU), but are sometimes also applied to digital signal processors (DSP) and System-on-a-chip (SoC). Additionally, some use these terms to refer only to multi-core microprocessors that are manufactured on the same integrated circuit die. These people generally refer to separate microprocessor dies in the same package by another name, such as multi-chip module, double coreFact: date=October 2007, or even twin core.Fact: date=October 2007 This article uses both the terms "multi-core" and "dual-core" to reference microelectronic CPUs manufactured on the same integrated circuit, unless otherwise noted.

Search results for Dual-core

dual-core news, reviews and downloads on CNET

Come to CNET for the latest news stories and articles, trusted editor and user reviews, and software downloads related to dual-core.www.cnet.com/topic/dual-core.html

Dual Core Processing: Over-simplified, demystified and explained ...

The latest buzz in the processor industry is about dual core processors. ... A dual core processor is exactly what it sounds like. ...icrontic.com/articles/dual_core

What is a Dual Core Processor?

Brief and Straightforward Guide: What is a Dual Core Processor? ... A dual core processor is a CPU with two separate cores on the same die, each with its own cache. ...www.wisegeek.com/what-is-a-dual-core-processor.htm

© AMDboard.com - AMD Dual-Core & Multi-Core Processor Special - Part 1

02/17/06 Five Things You Didn't Know About Dual-Core Processors - TechWeb "The widespread assumption is that the dual-core duel has been fought solely on ...www.amdboard.com/dual_core.html

AMD Athlon™ 64 X2 Dual Core Processor Utilities and Updates

AMD Athlon™ 64 X2 Dual Core Processor Utilities & Updates. Download File ... The AMD Dual-Core Optimizer helps to correct the resulting video performance ...www.amd.com/us-en/Processors/TechnicalResources/0,,30_182_87...

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News about Dual-core

AMD preps Atom rival, Intel to launch dual-core Atom next month

TG DailyA reader pointed us to AMD slides, which provide some evidence that AMD will be aiming to compete at least in certain markets that is targeted by Intel’s Atom processor, by using one of its existing products. Meanwhile, Intel is apparently preparing the launch of its first dual-core Atom processors for October. http://www.tgdaily.com/content/view/39258/135/

WB gram panchayats steer ahead in eGovernance

CIOLKOLKATA, INDIA: In order to enable effective governance through PC penetration within the Rural Development and Panchayati Raj (RD & PR) institutions, the West Bengal government has successfully completed its eGovernance project by deploying AMD Athlon X2 dual-core processor based desktops.http://www.ciol.com/SMB/News-Reports/WB-gram-panchayats-stee...

WB gram panchayats complete e-governance project

Chennai OnlineKOLKATA,INDIA: AMD (Advanced Micro Devices), a global provider of processing solutions in the computing and graphics markets and the West Bengal Government today announced the successful deployment of AMD Athlon X2 dual-core processor based desktops for the gram panchayat e-governance project. ...http://www.chennaionline.com/technology/details.aspx?sectid=...

อินเทลเปิดตัว Xeon 6 คอร์อย่างเป็นทางการ

Blognone Tech News ThailandSubmitted by lew on 16 September, 2008 - 23:34. tags: Submitted by lew on 9 September, 2008 - 23:13. tags:http://www.blognone.com/topics/intel

Cray launches deskside Wintel supercomputer

TG DailyCray surprised the hardware community today with the launch of a Intel-Microsoft based supercomputer system, which according to the manufacturer, is the “most affordable supercomputer” the company ever offered and is claimed to be the world’s highest performing supercomputer that runs on standard office power. http://www.tgdaily.com/content/view/39341/135/

News about Dual-core

key to Wolfdale TEMP reading mystery

Toms HardwareThis guide relates ONLY TO 45 nm CPUs, it was written for dual core models, but you may also use some of the data for quad core models, however I recommend you to do YOUR OWN table for calculations. thanks for reading so much crap Looking forward ... http://www.tomshardware.com/forum/253563-28-wolfdale-temp-re...

ATI Radeon HD 4670 -

Toms HardwareWill this graphics card work on my computer, which is a AMD Athlon Dual Core 4200+, with a M2V Asustek VIA K8T900 Chipset (?!?), and has 2gb Ram, DDR 2?http://www.tomshardware.com/forum/254818-33-radeon-4670

Intel's next big leap, its six-core chip, set for release

ComputerworldThe six-core Xeon was built on a single piece of silicon, unlike Intel's quad-core chips which are built from two dual-core chips. As a result of the improvements in Dunnington, Brookwood said it handles caching much better, improving performance.http://www.computerworld.com/action/article.do?command=viewA...

Nanotech: The Circuits Blog

CNET NewsHarpertown and Clovertown are quad-core processors, Woodcrest is dual-core. In the No. 4 slot was the AMD Opteron dual-core chip (8.4 percent), followed by the X54xx series of Intel Harpertown processors (7.8 percent), then by the PowerPC 440 (4.22 ... http://news.cnet.com/8300-13924_3-64.html?keyword=%22IBM%22

Read all '"Hewlett-Packard"' posts in Crave

CNET NewsThe 4.3-pound TX 2105/CT ultraportable notebook uses a dual-core Athlon 64 X2 TK-57 processor. Another model comes with the AMD Turion 64 X2 TL-60 processor.http://news.cnet.com/8300-17938_105-1.html?keyword=%22Hewlet...

Search results for Dual-core

dual core Definition: TechEncyclopedia from TechWeb

dual core - A single chip that contains two distinct processors that work simultaneously. ... dual core A single chip that contains two distinct processors that work simultaneously ... http://www.techweb.com/encyclopedia/defineterm.jhtml?term=du...

dualcorefitnessclub.com

Dual Core Fitness ... Apparently a new study shows that the Atkins diet isn't so bad after all, but critics ... http://dualcorefitnessclub.com

AMD Athlon™ 64 X2 Dual Core Processor Utilities and Updates

Download File: Release Date: Cpufreq Driver for Linux 2.10.00 ... AMD Athlon™ 64 X2 Dual Core Processor Utilities and Updateshttp://www.amd.com/us-en/Processors/TechnicalResources/0,,30...

AMD Athlon™ 64 X2 Dual Core Processor Utilities and Updates

Download File: Release Date: AMD Dual-Core Optimizer - The AMD ... AMD Athlon™ 64 X2 Dual Core Processor Utilities and Updateshttp://www.amd.com/gb-uk/Processors/TechnicalResources/0,,30...

Dual-Core Technology for Servers

Dell PowerEdge Multi-core Technology ... More processing capacity, efficiency and scalability to grow. Our enterprise class servers with 64-bit dual-core technology are engineered ... http://www.dell.com/content/topics/topic.aspx/global/product...
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What is Dual Core?

What is Dual Core?http://live.pirillo.com/ - BigJohnMidland wants to know exactly what "dual core" means. "Dual core" refers to the number of processing cores in the processor package. So, in...Flash - Video

Faster Windows Boot Times with Mult...

Faster Windows Boot Times with Multi-core CPUQuick little tip on how to increase windows boot times by enabling the use all of processor cores while booting up. Song is Love RollercoasterFlash - Video

Mac Pro Moving a sound level meter ...

Mac Pro Moving a sound level meter aroundMoving a RadioShack sound level meter around a Mac Pro 2.6. Set C weighted, 60, fast response.Flash - Video

Asus P5Q3 Deluxe/WiFi-AP @n Motherb...

Asus P5Q3 Deluxe/WiFi-AP @n MotherboardThe Asus P5Q3 Deluxe/WiFi-AP Intel P45 Socket 775 motherboard offers a true 16-phase power design, rich overclocking options, and the technology to enjoy great gaming and...Flash - Video

Gateway 14.1" Dual Core 1GB RAM 160...

Gateway 14.1Prices subject to change. Please visit www.hsn.com or call 1-800-284-3100 for the current selling price. Do you wish you had the portability and convenience of a laptop, but still...Flash - Video

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Details on Dell's New AMD Desktops

Details on Dell's New AMD DesktopsAt Tech Day yesterday, we launched 4 Dimension systems. All four of these systems (Dimension E520, C521, E521, and XPS 210) are meant for customers who want to do more than send emails or surf the web...msmedia: 9.4 MB w:320px - h:240px

Answers for Dual-core

TheOneWhat is the normal temperature for dual core processor ?TheOneIdeally, you want your processor temps to be in the mid 50s for idle temp and at most around 68c when under full load. Most bios now include a fail safe setting to shut your board down at 75c. It so...Andrew EWhat is the difference between a Intel Dual-Core and a Pentium 4 processor?Andrew EThe dual core (Core 2) line is the successor to the Pentium 4 line. Dual cores are superior in many (most) ways. For instance, the new core 2 chips run on a 65 nanometer (nm) architecture, which b...QinetHow do you think about intel pentium dual core?QinetAgreed. A processor will not in anyway affect your sound quality. It's the motherboard's job. Usually, the sound quality depends on the on board audio (which simply means that it's integrated with the...leblongeezerWhat are the advantages of buying a dual core or a price equivalent single core HT with the extra clock speed?leblongeezerHT and dual core are 2 totally different things. Hyperthreading benchmarks - at 3.6Ghz Intel Prescott score a 78 compared to a dual core AMD 2.2 GHZ at 104. Its that much of a difference. Dual ...drakanamorWhat is a good processor speed for a new computer with a dual-core processor?drakanamorI would look at the eBay completed listings prices for a similar computer to decide if it was worth repairing. Any 1.6 GHz dual core type processor is faster that your single core P4 3.2 GHz. A...
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