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Add memcpy_dtoh in cust #47

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Merged
merged 1 commit into from
Feb 16, 2022
Merged

Add memcpy_dtoh in cust #47

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4 changes: 4 additions & 0 deletions crates/cust/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,10 @@

Notable changes to this project will be documented in this file.

## Unreleased

- Add `memory::memcpy_dtoh` to allow copying from device to host.

## 0.3.2 - 2/16/22

- Fixed `ModuleJitOptions` not working (due to cursed reasons).
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11 changes: 11 additions & 0 deletions crates/cust/src/memory/mod.rs
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Expand Up @@ -214,6 +214,17 @@ pub unsafe fn memcpy_htod(
Ok(())
}

/// Simple wrapper over cuMemcpyDtoH_v2
#[allow(clippy::missing_safety_doc)]
pub unsafe fn memcpy_dtoh(
d_ptr: *mut c_void,
src_ptr: cust_raw::CUdeviceptr,
size: usize,
) -> CudaResult<()> {
crate::sys::cuMemcpyDtoH_v2(d_ptr, src_ptr, size).to_result()?;
Ok(())
}

/// Get the current free and total memory.
///
/// Returns in `.1` the total amount of memory available to the the current context.
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