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Check the bounds in the cuda indexing kernels. (#2908)

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* Check the bounds in the cuda indexing kernels.

* Another check.
This commit is contained in:
Laurent Mazare
2025-04-18 20:08:17 +02:00
committed by GitHub
parent 9954981327
commit ce5f8dd129
4 changed files with 31 additions and 2 deletions
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25
candle-core/tests/tensor_tests.rs
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@ -826,6 +826,31 @@ fn embeddings(device: &Device) -> Result<()> {
Ok(())
}
#[test]
fn index_select_fail() -> Result<()> {
// Check that an error is properly reported on out of bounds.
let ids = Tensor::new(&[4u32, 2u32, 1u32], &Device::Cpu)?;
let t = Tensor::new(&[[0f32, 1f32], [2f32, 3f32], [4f32, 5f32]], &Device::Cpu)?;
let hs = t.index_select(&ids, 0);
assert!(hs.is_err());
Ok(())
}
// The test below triggers an unwinding panic as there is a panic within the
// #[cfg(feature = "cuda")]
// #[test]
// #[should_panic]
// fn index_select_fail_gpu() {
// // Check that a panic happens for out of bounds in cuda
// if let Ok(device) = Device::new_cuda(0) {
// if let Ok(ids) = Tensor::new(&[4u32, 2u32, 1u32], &device) {
// if let Ok(t) = Tensor::new(&[[0f32, 1f32], [2f32, 3f32], [4f32, 5f32]], &device) {
// let _ = t.index_select(&ids, 0);
// }
// }
// }
// }
fn cmp(device: &Device) -> Result<()> {
let t1 = Tensor::new(&[[0f32, 1f32], [2f32, 3f32], [4f32, 5f32]], device)?;
let t2 = Tensor::new(&[[1f32, 0f32], [3f32, 3f32], [4f32, 7f32]], device)?;