Arteris : Cache coherency is expensive and provides little or negative benefit for some tasks. So why is it still used so frequently?
December 22, 2021 at 05:47 pm EST
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Michael Frank, Fellow and System Architect at Arteris IP is quoted in this new with Semiconductor Engineering article:
The High But Often Unnecessary Cost Of Coherence
December 22nd, 2021 - By Brian Bailey
Cache coherency is expensive and provides little or negative benefit for some tasks. So why is it still used so frequently?
"Coherence is a contract between agents that says, 'I promise you that I will always provide the latest data to you,'" says Michael Frank, fellow and system architect at Arteris IP. "It is mostly important when you have a lot of people sharing the same data set. Coherence between equal peers is very important and will not go away."
To read the entire article on SemiEngineering, please click here:https://semiengineering.com/the-high-but-often-unnecessary-cost-of-coherence/
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Arteris Inc. published this content on 22 December 2021 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 22 December 2021 22:46:04 UTC.
Arteris, Inc. is a provider of semiconductor system IP, including interconnect and other intellectual property, (collectively, System IP) technology. Its System IP technology manages the on-chip communications and IP block deployments in system-on-chip (SoC) semiconductors and systems of chiplets. The Company provides semiconductor interconnect IP and SoC Integration Automation software (SIA) solutions to serve its target end-markets, including automotive, enterprise computing, consumer electronics, communications across wired and wireless, and industrial segments. Its semiconductor IP product portfolio includes Non-coherent NoC IP, with FlexNoC and FlexWay, Cache-coherent NoC IP, with Ncore and Last-level cache, with CodaCache. Its SIA technology suite of Magillem and CSRCompiler products cover the key capabilities for SoC integration automation and overall SoC development acceleration. The Magillem connectivity product shortens and streamlines the SoC integration process.