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What is SMP( symmetric multiprocessing)?  

Asked in Computers & Accessories at 6:59 PM on November 05, 2008

Tags: smp, symmetric, multiprocessing

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Amit Singh
Amit Singh

(1) Short for Symmetric Multiprocessing, a computer architecture that provides fast performance by making multiple CPUs available to complete individual processes simultaneously (multiprocessing). Unlike asymmetrical processing, any idle processor can be assigned any task, and additional CPUs can be added to improve performance and handle increased loads. A variety of specialized operating systems and hardware arrangements are available to support SMP. Specific applications can benefit from SMP if the code allows multithreading.

SMP uses a single operating system and shares common memory and disk input/output resources. Both UNIX and Windows NT support SMP.

(2) Short for Simple Management Protocol, another name for SNMP2. SNMP2 is an enhanced version of the Simple Network Management Protocol (SNMP) with features required to support larger networks operating at high data transmission rates. SNMP2 also supports multiple network management workstations organized in a hierarchical fashion.

Answered by Point at 7:11 AM on November 06, 2008

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Point
Point

HI
In my point of view SMP lets multiple CPUs in a networking device share the same board, memory, I/O and operating system. Nonetheless, each CPU in an SMP system can act independently. While one CPU handles a database lookup, others can update the database and perform other tasks, dramatically increasing the ability of the device to handle today's increasingly complex networking tasks.

SMP costs relatively little. When scaling from one CPU to two, only one processor board is needed. Processing power is doubled without paying for additional support chips and without taking up an additional slot in the chassis.

More info in link
en.wikipedia.org/wiki/Symmet ric_multiprocessing

Answered by Sanjeev at 7:23 PM on November 05, 2008

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Sanjeev
Sanjeev

To achieve maximum efficiency and reliability a mode of operation known as symmetric multiprocessing is used. In essence, with SMP any process or threads can be assigned to any processor.

Answered by Anju Singh at 6:59 PM on November 05, 2008

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Anju Singh
Anju Singh

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