Vendor: Sifive, Inc. Category: CPU

High performance Linux capable vector processor

The SiFive Intelligence VIU75 Standard Core is a single-core instantiation of our RISC-V application processor with vector extens…

Contact Provider Request Datasheet

Overview

The SiFive Intelligence VIU75 Standard Core is a single-core instantiation of our RISC-V application processor with vector extensions and is capable of supporting full-featured operating systems such as Linux.

The VIU75 is ideal for applications requiring high-throughput, single-thread performance while under power constraints (e.g., AR, VR, sensor hubs, IVI systems, IP cameras, digital cameras, gaming devices).

Key features

  • Base core derived from SiFive U7 series
    • RV64GCV ISA with Sv39 or Sv48 support
    • 8-stage dual-issue in-order pipeline with decoupled vector unit
    • Machine, Supervisor, and User privilege modes
    • Full TLB-based MMU for Linux-based environments
    • Single and Coherent multi-core IP platform options
  • RISC-V Vector ISA extensions v1.0
    • Floating-point, fixed-point, and integer data types
    • Vector computation up to 256b/cycle on 8b to 64b datatypes
  • Other key attributes support
    • Configurable S7 core(s) can support System boot/monitor, Sensor Hub/Fusion, and Security Co-Processor
    • Private L2$
    • Up to 16 PMP regions with 4KB granularity
    • Supports SiFive WorldGuard security
    • Leverages existing SiFive Insight Advanced Trace & Debug hardware solutions

Block Diagram

VIU75 block diagram

What’s Included?

  • RTL Evaluation
  • Test Bench RTL
  • Software Development Kit
  • FPGA Bitstream
  • Documentation

Files

Product Sheet Download

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

Specifications

Identity

Part Number
VIU75
Vendor
Sifive, Inc.

Provider

Sifive, Inc.
HQ: USA
SiFive brings the power of the open source RISC-V ISA combined with innovations in CPU IP to the semiconductor industry, making it possible to develop domain-specific silicon faster than ever before. With its OpenFive business unit, the industry leaders in domain-specific silicon, SiFive is accelerating the pace of innovation for businesses large and small.
Contact Sifive, Inc.

Learn more about CPU IP core

Announcing Arm AGI CPU: The silicon foundation for the agentic AI cloud era

For the first time in our more than 35-year history, Arm is delivering its own silicon products – extending the Arm Neoverse platform beyond IP and Arm Compute Subsystems (CSS) to give customers greater choice in how they deploy Arm compute – from building custom silicon to integrating platform-level solutions or deploying Arm-designed processors.

Encarsia: Evaluating CPU Fuzzers via Automatic Bug Injection

Hardware fuzzing has recently gained momentum with many discovered bugs in open-source RISC-V CPU designs. Comparing the effectiveness of different hardware fuzzers, however, remains a challenge: each fuzzer optimizes for a different metric and is demonstrated on different CPU designs.

Pie: Pooling CPU Memory for LLM Inference

Pie maintains low computation latency, high throughput, and high elasticity. Our experimental evaluation demonstrates that Pie achieves optimal swapping policy during cache warmup and effectively balances increased memory capacity with negligible impact on computation. With its extended capacity, Pie outperforms vLLM by up to 1.9X in throughput and 2X in latency. Additionally, Pie can reduce GPU memory usage by up to 1.67X while maintaining the same performance. Compared to FlexGen, an offline profiling-based swapping solution, Pie achieves magnitudes lower latency and 9.4X higher throughput.

Frequently asked questions about CPU IP cores

What is High performance Linux capable vector processor?

High performance Linux capable vector processor is a CPU IP core from Sifive, Inc. listed on Semi IP Hub.

How should engineers evaluate this CPU?

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

×
Semiconductor IP