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Documentation

A documentation for the Ray Tracer Datapath can be found in a PDF file in the release where the following are discussed:

  • Supported operations
  • IO specification
  • Configurable parameters
  • Dataflow of pipeline stages
  • Hardware assets
  • Design choices
  • Description of source files

Prerequisites

The code in this project was tested with verilator version 4.038 and sbt version 1.8 or mill version 0.10.12.

  • verilator (for running the testbenches)
  • sbt (optional) (for building the project with SBT)

How to run the test bench

Test top module only.

mill raytracer.test.testOnly raytracer_datapath.Datapath_test

or

sbt test:testOnly raytracer_datapath.Datapath_test

Mill should be ready to use because a wrapper file for mill 0.10.12 is included with this project.

Test top module as well as individual components.

mill raytracer.test

or

sbt test

Citation

This RTL project was developed as part of a more significant research project. If you use the RTL modules in this repo please consider citing:

Aaron Barnes, Fangjia Shen, Timothy G. Rogers,
Extending GPU Ray-Tracing Units for Hierarchical Search Acceleration,
in 2024 57th IEEE/ACM International Symposium on Microarchitecture (MICRO)

Contact

Aaron Barnes ([email protected])

Fangjia Shen ([email protected])