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Chapter: Advanced Computer Architecture : Multi-Core Architectures

Case Studies: Multicore architecture

A multi-core design in which a single physical processor contains the core logic of more than one processor. Goal- enables a system to run more task simultaneously achieving greater overall performance

Case Studies

 

Multicore architecture

 

A multi-core design in which a single physical processor contains the core logic of more than one processor. Goal- enables a system to run more task simultaneously achieving greater overall performance

 

Hyper-threading or multicore?

 

Early PCs-capable of doing single task at a time. Later multi-threading tech., came into place. Intel’s multi-threading called Hyper-threading

 

Multi-core processors

 

Each core has its execution pipeline. No limitation for the number of cores that can be placed in a single chip. Two cores run at slower speeds and lower temperatures. But the combined throughput > single processor. The fundamental relationship b/w freq. and power can be used to multiply the no. of cores from 2 to 4, 8 and even higher

 

Intel-multicore architecture

 

Ø Intel Turbo Boost Tech.

Ø Intel Hyper Threading Tech.

Ø Intel  Core Microarchitecture.

Ø Intel Advanced Smart Cache.

Ø Intel Smart Memory Access.

Intel Smart Memory access


Benefits

 

Ø Multi-core performance.

 

Ø Dynamic scalability.

 

Ø Design and performance scalability

 

Ø Intelligent performance on-demand

 

Ø Increased performance on Highly-threaded apps.

 

Ø Scalable shared memory.

 

Ø Multi-level shared cache.

 

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Advanced Computer Architecture : Multi-Core Architectures : Case Studies: Multicore architecture |


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