Intel C2350 FH8065401488914 Fiche De Données

Intel

®

 Atom™ Processor C2000 Product Family for Microserver

Datasheet, Vol. 2 of 3

September 2014

224

Order Number: 330061-002US

AtomicOps enable advanced synchronization mechanisms that are particularly useful 

when multiple producers and/or multiple consumers need to be synchronized in a non-

blocking fashion. AtomicOps also enable lock-free statistics counters, for example 

where a device atomically increments a counter, and host software atomically reads 

and clears the counter.

Compared to locked transactions:

• AtomicOps provide lower latency, higher scalability, advanced synchronization 

algorithms, and dramatically less impact to other PCIe traffic.

• Direct support for the three chosen AtomicOps over PCIe, enables easier migration 

of existing high-performance, Symmetric Multi-Processing (SMP) applications to 

systems that use PCIe as the interconnect for tightly-coupled co-processors.

Components that implement AtomicOp Requester capability generate any or all three of 

the AtomicOps, using one or more of the supported operand sizes.

Components that implement AtomicOp Completer capability, carry out the AtomicOps 

transactions. A PCIe function with AtomicOp Completer capability is not required to 

support all AtomicOp type/size combinations, and is not required to support all of its 

Memory Space as a target range for AtomicOps.

For increased interoperability, certain AtomicOp Completer capabilities are required to 

be supported by root ports in sets if at all.

FetchAdd

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2

N/A

Swap

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CAS

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