EDN

SoC design: When a network-on-chip meets cache coherency

Many people have heard the term cache coherency without fully understanding the considerations in the context of system-on-chip (SoC) devices, especially those using a network-on-chip (NoC). To ...
Electronic Design

Adding Cache to IPs and SoCs

Cache memory significantly reduces time and power consumption for memory access in systems-on-chip. Technologies like AMBA protocols facilitate cache coherence and efficient data management across CPU ...
Electronic Design

CXL: Coherency, Memory, and I/O Semantics on PCIe Infrastructure

Gain insight into the CXL specification. Learn how CXL supports dynamic multiplexing between a rich set of protocols that includes I/O (CLX.io, based on PCIe), caching (CXL.cache), and memory (CXL.mem ...
Semiconductor Engineering

The High But Often Unnecessary Cost Of Coherence

Cache coherency, a common technique for improving performance in chips, is becoming less useful as general-purpose processors are supplemented with, and sometimes supplanted by, highly specialized ...
Semiconductor Engineering

Balancing Memory And Coherence: Navigating Modern Chip Architectures

In the intricate world of modern chip architectures, the “memory wall” – the limitations posed by external DRAM accesses on performance and power consumption growing slower than the ability to compute ...