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https://github.com/Narsil/bindgen_cuda
https://github.com/Narsil/bindgen_cuda
Last synced: 3 months ago
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- Host: GitHub
- URL: https://github.com/Narsil/bindgen_cuda
- Owner: Narsil
- Created: 2024-01-06T16:56:20.000Z (10 months ago)
- Default Branch: main
- Last Pushed: 2024-06-11T02:51:41.000Z (5 months ago)
- Last Synced: 2024-07-10T18:41:44.919Z (4 months ago)
- Language: Rust
- Size: 15.6 KB
- Stars: 13
- Watchers: 1
- Forks: 5
- Open Issues: 6
-
Metadata Files:
- Readme: README.md
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README
# Bindgen Cuda
[](https://crates.io/crates/bindgen_cuda)
[](https://docs.rs/bindgen_cuda)
Similar crate than [bindgen](https://github.com/rust-lang/rust-bindgen) in philosophy.
It will help create automatic bindgen to cuda kernels source files and make them easier to use
directly from Rust.
## PTX inclusion
Let's say you have a file
`src/cuda.cu`
```cuda
__global__ void cuda_hello(){
printf("Hello World from GPU!\n");
}
```
You can add `bindgen_cuda` as a build dependency:
```bash
cargo add --build bindgen_cuda
```
And then create this `build.rs`
```no_run
fn main() {
let builder = bindgen_cuda::Builder::default();
let bindings = builder.build_ptx().unwrap();
bindings.write("src/lib.rs");
}
```
This will create a src file containing the following code:
```ignore
pub const CUDA: &str = include_str!(concat!(env!("OUT_DIR"), "/cuda.ptx"));
```
You can then use the PTX directly in your rust code with a library like [cudarc](https://github.com/coreylowman/cudarc/).
## Raw cuda calls
Alternatively you can build a static library that you can link against in build.rs in order to call cuda directly with the c code.
`src/cuda.cu`
```cuda
__global__ void cuda_hello(){
printf("Hello World from GPU!\n");
}
int run() {
cuda_hello<<<1,1>>>();
return 0;
}
```
Then write the `build.rs`:
```no_run
fn main() {
let builder = bindgen_cuda::Builder::default();
builder.build_lib("libcuda.a");
println!("cargo:rustc-link-lib=cuda");
}
```
Which you can then interface through FFI in `src/lib.rs`:
```no_run
extern "C" {
fn cuda_hello();
}
fn main(){
unsafe{ cuda_hello();}
}
```