Intel® Arria® 10 Core Fabric and General Purpose I/Os Handbook

ID 683461
Date 5/27/2022
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1.1.3. Shared Arithmetic Chain and Carry Chain Interconnects

There are two dedicated paths between ALMs—carry chain and shared arithmetic chain. Intel® Arria® 10 devices include an enhanced interconnect structure in LABs for routing shared arithmetic chains and carry chains for efficient arithmetic functions. These ALM-to-ALM connections bypass the local interconnect. The Intel® Quartus® Prime Compiler automatically takes advantage of these resources to improve utilization and performance.
Figure 4. Shared Arithmetic Chain and Carry Chain Interconnects


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