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Related Experiment Video

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Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

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ASIP Performance Enhancement by Hazard Control through Scoreboard.

Xinbing Zhou¹, Yi Man², Peng Hao³

¹School of Information and Communication Engineering, Hainan University, Haikou 570228, China.

|November 27, 2024

Summary

This study introduces a hardware hazard handler for digital signal processors (DSPs), improving performance by 32.75% with only 0.91% extra silicon. This enhances the performance-to-cost ratio for ASIP design.

Keywords:

ASIP design Domain specific architecture RAW/WAW data hazard digital signal processor performance enhancement scoreboard

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Area of Science:

Computer Engineering
Digital Signal Processing
Hardware Acceleration

Background:

Application-specific instruction set processors (ASIPs), including digital signal processors (DSPs), are increasingly adopted in AI, communication, media, gaming, and industrial control.
DSP benefits include high performance, low power, flexibility, and reduced silicon usage.
Datapath acceleration in DSPs introduces control complexities like Read-After-Write (RAW) and Write-After-Write (WAW) hazards.

Purpose of the Study:

To address control complexities arising from datapath acceleration in DSPs.
To evaluate the effectiveness of a hardware hazard handler compared to advanced compiler solutions.
To demonstrate performance improvements and silicon efficiency gains through hardware-based hazard handling.

Main Methods:

Implementation of a hardware hazard handler to manage control complexities.
Comparison of the hardware solution against compiler-based approaches for DSP design.
Evaluation of silicon area overhead and performance improvements.

Main Results:

The proposed hardware solution effectively handles RAW and WAW hazards.
Achieved a 32.75% performance improvement.
Required only 0.91% additional silicon area.
Resulted in a 32% improvement in the overall performance-to-cost ratio.

Conclusions:

Hardware-based hazard handling offers significant performance gains with minimal silicon overhead for DSPs.
This approach leads to enhanced performance-to-cost ratios, making it a valuable solution for ASIP design.
The study highlights the benefits of hardware solutions for optimizing DSP performance and resource utilization.