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Chisel RTL module of a unified ray tracer datapath pipeline. Supports ray-box intersection, ray-triangle intersection, acceleration for Euclidean distance and cosine similarity calculation.

rayflex 최신버젼 다운로드

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// repository documentation

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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
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)

Fangjia Shen, Aaron Barnes, Anusuya Nallathambi and Timothy G. Rogers,
RayFlex: An Open-Source RTL Implementation of the Hardware Ray Tracer Datapath,
in 2025 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS)
```

# Contact
Aaron Barnes (barnes88@purdue.edu)

Fangjia Shen (shen449@purdue.edu)

rayflex

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