Vendor: XtremeSilica Category: Coherency

AMBA ACE - Ensures cache coherency and data consistency in multi-core systems

AMBA ACE Verification IP (VIP) ensures correct cache coherency between processors and shared memory systems in SoC designs.

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Overview

AMBA ACE Verification IP (VIP) ensures correct cache coherency between processors and shared memory systems in SoC designs. It simulates complex scenarios like cache sharing, eviction, and invalidation to ensure protocol compliance and optimized system performance.

The VIP is ideal for multi-core processors, high-performance computing, and real-time applications. It supports advanced features such as snooping and directory-based coherency, accelerating development and reducing debugging time in systems requiring high data integrity.

Key features

  • Comprehensive Cache Coherency Verification: Verifies compliance with cache coherency protocols across multiple processors. Ensures the proper handling of cache states such as shared, invalid, and exclusive for seamless communication.
  • Support for Advanced Coherency Models: Validates both snoop-based and directory-based coherency protocols for effective data consistency across multi-core systems. Essential for maintaining high performance in complex designs.
  • Multi-Layer Interconnect Support: Simulates interactions across multiple interconnect layers to ensure accurate protocol compliance in SoCs. Verifies proper operation in systems with complex memory hierarchies and communication paths.
  • Coherency Transaction Coverage: Covers key coherency transactions like ReadUnique, WriteBack, and CleanShared. Validates these operations under various traffic scenarios to ensure correct data handling across cores.
  • Highly Configurable Test Environment: Offers a parameterized test environment that allows for customization of ACE configurations. Tailors bandwidth, latency, and coherency levels to match specific system requirements.

Block Diagram

AMBA ACE block diagram

Specifications

Identity

Part Number
AMBA ACE
Vendor
XtremeSilica
Type
Silicon IP

Files

Product Sheet Download

Note: some files may require an NDA depending on provider policy.

Provider

XtremeSilica
HQ: India
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Learn more about Coherency IP core

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 understand the issues at hand, it’s first necessary to understand the role of cache in the memory hierarchy.

Co-Designed Cache Coherency Architecture for Embedded Multicore Systems

In this paper, we present the round-robin method applied to baseline coherency protocol and initial analysis of one hybrid protocol that performs speculative requests when access patterns are detected. We also propose to manage patterns through a dedicated hardware component attached to each core of the processor.

Frequently asked questions about Coherency Interconnect IP cores

What is AMBA ACE - Ensures cache coherency and data consistency in multi-core systems?

AMBA ACE - Ensures cache coherency and data consistency in multi-core systems is a Coherency IP core from XtremeSilica listed on Semi IP Hub.

How should engineers evaluate this Coherency?

Engineers should review the overview, key features, supported foundries and nodes, maturity, deliverables, and provider information before shortlisting this Coherency IP.

Can this semiconductor IP be compared with similar products?

Yes. Buyers can compare this product with similar semiconductor IP cores or IP families based on category, provider, process options, and structured technical specifications.

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