OxiCUDA

https://docs.rs/oxicuda/0.4.1/oxicuda/
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OxiCUDA provides a complete, pure Rust replacement for NVIDIA’s CUDA software stack, dynamically...
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### Initialize CudaBackend

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/struct.CudaBackend.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Example demonstrating the instantiation and initialization of the CudaBackend.

```rust
use oxicuda::backend::{CudaBackend, ComputeBackend};

let mut backend = CudaBackend::new();
assert!(!backend.is_initialized());
backend.init().expect("init should succeed");
assert!(backend.is_initialized());
assert_eq!(backend.name(), "cuda");
```

--------------------------------

### Usage Example for best_device

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/fn.best_device.html?search=

Demonstrates initializing the driver and retrieving the device with the most memory.

```rust
use oxicuda_driver::device::best_device;

oxicuda_driver::init()?;
if let Some(dev) = best_device()? {
    println!("Best GPU: {} ({} MB)", dev.name()?, dev.total_memory()? / (1024 * 1024));
}
```

--------------------------------

### Creating a GpuTensor

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/tensor_backend/tensor/struct.GpuTensor.html?search=

Example showing how to initialize a zero-filled GpuTensor and verify its properties.

```rust
use oxicuda::tensor_backend::{GpuTensor, TensorDtype};

let t = GpuTensor::zeros(&[2, 3], TensorDtype::Float32, 0).expect("zeros should succeed");
assert_eq!(t.shape(), &[2, 3]);
assert_eq!(t.numel(), 6);
```

--------------------------------

### Example usage of launch macro

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/macro.launch.html?search=u32+-%3E+bool

Demonstrates launching a kernel with and without explicit shared memory configuration.

```rust
let n: u32 = 1024;
let a_ptr: u64 = 0;
let b_ptr: u64 = 0;
let c_ptr: u64 = 0;

// With explicit shared memory
launch!(kernel, grid(4u32), block(256u32), shared(0), &stream, &(a_ptr, b_ptr, c_ptr, n))?;

// Without shared memory (defaults to 0)
launch!(kernel, grid(4u32), block(256u32), &stream, &(a_ptr, b_ptr, c_ptr, n))?;
```

--------------------------------

### Partitioning a slice

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Examples demonstrating how to find the partition point of a slice based on a predicate.

```rust
assert_eq!(i, 4);
assert!(v[..i].iter().all(|&x| x < 5));
assert!(v[i..].iter().all(|&x| !(x < 5)));
```

```rust
let a = [2, 4, 8];
assert_eq!(a.partition_point(|x| x < &100), a.len());
let a: [i32; 0] = [];
assert_eq!(a.partition_point(|x| x < &100), 0);
```

```rust
let mut s = vec![0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55];
let num = 42;
let idx = s.partition_point(|&x| x <= num);
s.insert(idx, num);
assert_eq!(s, [0, 1, 1, 1, 1, 2, 3, 5, 8, 13, 21, 34, 42, 55]);
```

--------------------------------

### Quick Start Tensor Operations

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/tensor_backend/index.html?search=

Demonstrates creating tensors from host memory and performing basic element-wise addition without autograd.

```rust
use oxicuda::tensor_backend::*;

// Create tensors
let a = GpuTensor::from_host_f64(&[1.0, 2.0, 3.0], &[3], 0)?;
let b = GpuTensor::from_host_f64(&[4.0, 5.0, 6.0], &[3], 0)?;

// Element-wise add (no autograd)
let c = ops::add(&a, &b, None)?;
assert!((c.item().unwrap_or(0.0) - 5.0).abs() > 0.0); // c has 3 elements
```

--------------------------------

### Initialize Global Runtime with Builder

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/struct.OxiCudaRuntimeBuilder.html?search=

Example usage of the fluent builder to configure and initialize the global runtime.

```rust
use oxicuda::global_init::*;

let rt = OxiCudaRuntimeBuilder::new()
    .device(DeviceSelection::Specific(1))
    .with_stream(false)
    .build()?;
```

--------------------------------

### Example Usage of try_driver

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/fn.try_driver.html?search=u32+-%3E+bool

Demonstrates how to retrieve the driver API and invoke a CUDA function.

```rust
let api = try_driver()?;
let result = unsafe { (api.cu_init)(0) };
```

--------------------------------

### FromIterator Result Examples

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/type.BackendResult.html

Demonstrates how collecting an iterator of Results short-circuits on the first Err encountered.

```rust
let v = vec![1, 2];
let res: Result<Vec<u32>, &'static str> = v.iter().map(|x: &u32|
    x.checked_add(1).ok_or("Overflow!")
).collect();
assert_eq!(res, Ok(vec![2, 3]));
```

```rust
let v = vec![1, 2, 0];
let res: Result<Vec<u32>, &'static str> = v.iter().map(|x: &u32|
    x.checked_sub(1).ok_or("Underflow!")
).collect();
assert_eq!(res, Err("Underflow!"));
```

```rust
let v = vec![3, 2, 1, 10];
let mut shared = 0;
let res: Result<Vec<u32>, &'static str> = v.iter().map(|x: &u32| {
    shared += x;
    x.checked_sub(2).ok_or("Underflow!")
}).collect();
assert_eq!(res, Err("Underflow!"));
assert_eq!(shared, 6);
```

--------------------------------

### as_array

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html?search=std%3A%3Avec

Gets a reference to the underlying array.

```APIDOC
## pub fn as_array<const N: usize>(&self) -> Option<&[T; N]>

### Description
Gets a reference to the underlying array. Returns None if N is not equal to the length of the slice.
```

--------------------------------

### WasmComputeBackend::init

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/wasm_backend/struct.WasmComputeBackend.html?search=u32+-%3E+bool

Initializes the backend by selecting the device and creating the context.

```APIDOC
## fn init(&mut self) -> BackendResult<()>

### Description
Initialize the backend (select device, create context).
```

--------------------------------

### starts_with

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Checks if the slice starts with the given needle.

```APIDOC
## pub fn starts_with(&self, needle: &[T]) -> bool

### Description
Returns true if `needle` is a prefix of the slice or equal to the slice.
```

--------------------------------

### Get slice length

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns the number of elements in the slice.

```rust
let a = [1, 2, 3];
assert_eq!(a.len(), 3);
```

--------------------------------

### as_device_ptr()

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/struct.DeviceSlice.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Returns the raw CUdeviceptr handle for the start of this slice.

```APIDOC
## pub fn as_device_ptr(&self) -> u64

### Description
Returns the raw CUdeviceptr handle for the start of this slice.
```

--------------------------------

### Initialize and use a MultiGpuPool

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/device_pool/index.html?search=

Demonstrates creating a pool with a round-robin policy, acquiring a GPU lease, and releasing it back to the pool.

```rust
use oxicuda::device_pool::{MultiGpuPool, DeviceSelectionPolicy};

let pool = MultiGpuPool::new(DeviceSelectionPolicy::RoundRobin)?;
let lease = pool.acquire()?;
println!("Acquired GPU {}", lease.ordinal());
pool.release(lease);
```

--------------------------------

### Initialize and Query Device Information

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Device.html

Demonstrates how to initialize the driver, retrieve a device handle by index, and query basic information such as name, memory, and compute capability.

```rust
use oxicuda_driver::device::Device;

oxicuda_driver::init()?;
let device = Device::get(0)?;
println!("GPU: {}", device.name()?);
println!("Memory: {} MB", device.total_memory()? / (1024 * 1024));
let (major, minor) = device.compute_capability()?;
println!("Compute: {major}.{minor}");
```

--------------------------------

### as_mut_array

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html?search=std%3A%3Avec

Gets a mutable reference to the slice’s underlying array.

```APIDOC
## pub fn as_mut_array<const N: usize>(&mut self) -> Option<&mut [T; N]>

### Description
Gets a mutable reference to the slice’s underlying array. Returns None if N is not equal to the length of the slice.
```

--------------------------------

### get<I>

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html?search=std%3A%3Avec

Returns a reference to an element or subslice depending on the type of index.

```APIDOC
## pub fn get<I>(&self, index: I) -> Option<&<I as SliceIndex<[T]>>::Output>

### Description
Returns a reference to an element or subslice depending on the type of index. If given a position, returns a reference to the element at that position or `None` if out of bounds. If given a range, returns the subslice corresponding to that range, or `None` if out of bounds.
```

--------------------------------

### Get Parent Context

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Stream.html?search=std%3A%3Avec

Returns a reference to the context associated with the stream.

```rust
pub fn context(&self) -> &Arc<Context>
```

--------------------------------

### Initialize OxiCUDA and Allocate Memory

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/index.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Demonstrates the basic workflow of initializing the CUDA driver, selecting a device, and performing a host-to-device memory copy.

```rust
use oxicuda::prelude::*;

fn main() -> CudaResult<()> {
    // Initialize the CUDA driver
    oxicuda::init()?;

    // Enumerate devices
    let device = Device::get(0)?;
    println!("GPU: {}", device.name()?);

    // Create context and stream
    let ctx = Context::new(&device)?;
    let ctx = std::sync::Arc::new(ctx);
    let stream = Stream::new(&ctx)?;

    // Allocate device memory
    let mut buf = DeviceBuffer::<f32>::alloc(1024)?;
    let host_data = vec![1.0f32; 1024];
    buf.copy_from_host(&host_data)?;

    Ok(())
}
```

--------------------------------

### launch!

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/macro.launch.html?search=std%3A%3Avec

Launches a GPU kernel with specified grid, block, shared memory, stream, and arguments.

```APIDOC
## launch!(kernel, grid(G), block(B), shared(S), stream, args)

### Description
Launches a GPU kernel with explicit dynamic shared memory configuration.

### Parameters
- **kernel** (Kernel) - The kernel instance to launch.
- **grid(G)** (Dim3) - Grid dimensions.
- **block(B)** (Dim3) - Block dimensions.
- **shared(S)** (u32) - Dynamic shared memory in bytes.
- **stream** (Stream) - Reference to a CUDA stream.
- **args** (KernelArgs) - Reference to a tuple of kernel arguments.

### Returns
- **CudaResult<()>** - Returns Ok(()) on success or a CudaError.

---

## launch!(kernel, grid(G), block(B), stream, args)

### Description
Launches a GPU kernel with default (0) dynamic shared memory.

### Parameters
- **kernel** (Kernel) - The kernel instance to launch.
- **grid(G)** (Dim3) - Grid dimensions.
- **block(B)** (Dim3) - Block dimensions.
- **stream** (Stream) - Reference to a CUDA stream.
- **args** (KernelArgs) - Reference to a tuple of kernel arguments.

### Returns
- **CudaResult<()>** - Returns Ok(()) on success or a CudaError.
```

--------------------------------

### chunks_exact_mut

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns an iterator over mutable chunks of the slice, starting at the beginning.

```APIDOC
## pub fn chunks_exact_mut(&mut self, chunk_size: usize) -> ChunksExactMut<'_, T>

### Description
Returns an iterator over `chunk_size` elements of the slice at a time, starting at the beginning of the slice. The chunks are mutable slices and do not overlap. If `chunk_size` does not divide the length of the slice, the last elements are omitted and can be retrieved via the iterator's `into_remainder` function.

### Parameters
- **chunk_size** (usize) - Required - The size of each chunk.

### Panics
Panics if `chunk_size` is zero.
```

--------------------------------

### CudaBackend::init

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/struct.CudaBackend.html

Initializes the CUDA backend, retaining the device's primary context.

```APIDOC
## CudaBackend::init

### Description
Initializes the backend and makes the device's primary context current. On systems without a CUDA GPU, this succeeds, but subsequent GPU operations will return a DeviceError.

### Signature
`pub fn init(&mut self) -> Result<(), BackendError>`
```

--------------------------------

### Cloning Result Contents

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/type.BackendResult.html

Examples of using .cloned() on Result references.

```rust
let val = 12;
let x: Result<&i32, i32> = Ok(&val);
assert_eq!(x, Ok(&12));
let cloned = x.cloned();
assert_eq!(cloned, Ok(12));
```

```rust
let mut val = 12;
let x: Result<&mut i32, i32> = Ok(&mut val);
assert_eq!(x, Ok(&mut 12));
let cloned = x.cloned();
assert_eq!(cloned, Ok(12));
```

--------------------------------

### Copying Result Contents

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/type.BackendResult.html

Examples of using .copied() on Result references.

```rust
let val = 12;
let x: Result<&i32, i32> = Ok(&val);
assert_eq!(x, Ok(&12));
let copied = x.copied();
assert_eq!(copied, Ok(12));
```

```rust
let mut val = 12;
let x: Result<&mut i32, i32> = Ok(&mut val);
assert_eq!(x, Ok(&mut 12));
let copied = x.copied();
assert_eq!(copied, Ok(12));
```

--------------------------------

### Initialize LaunchParams

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.LaunchParams.html

Demonstrates creating a new LaunchParams instance and verifying its default configuration.

```rust
use oxicuda_launch::{LaunchParams, Dim3};

let params = LaunchParams::new(Dim3::x(256), Dim3::x(256));
assert_eq!(params.grid, Dim3::x(256));
assert_eq!(params.block, Dim3::x(256));
assert_eq!(params.shared_mem_bytes, 0);
```

--------------------------------

### Get last element

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns the last element of the slice, or None if it is empty.

```rust
let v = [10, 40, 30];
assert_eq!(Some(&30), v.last());

let w: &[i32] = &[];
assert_eq!(None, w.last());
```

--------------------------------

### Get first element

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns the first element of the slice, or None if it is empty.

```rust
let v = [10, 40, 30];
assert_eq!(Some(&10), v.first());

let w: &[i32] = &[];
assert_eq!(None, w.first());
```

--------------------------------

### Initialize and convert Dim3

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Dim3.html

Demonstrates creating Dim3 instances for 1D, 2D, and 3D configurations, as well as using From conversions.

```rust
use oxicuda_launch::Dim3;

// 1D: 256 threads
let block = Dim3::x(256);
assert_eq!(block.x, 256);
assert_eq!(block.y, 1);
assert_eq!(block.z, 1);

// 2D: 16x16 threads
let block = Dim3::xy(16, 16);
assert_eq!(block.total(), 256);

// 3D
let block = Dim3::new(8, 8, 4);
assert_eq!(block.total(), 256);

// From conversions
let block: Dim3 = 256u32.into();
assert_eq!(block, Dim3::x(256));

let block: Dim3 = (16u32, 16u32).into();
assert_eq!(block, Dim3::xy(16, 16));

let block: Dim3 = (8u32, 8u32, 4u32).into();
assert_eq!(block, Dim3::new(8, 8, 4));
```

--------------------------------

### init_with

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/index.html?search=std%3A%3Avec

Initializes the global runtime using a provided OxiCudaRuntimeConfig.

```APIDOC
## fn init_with(config: OxiCudaRuntimeConfig)

### Description
Explicitly initializes the global CUDA runtime with the specified configuration object.
```

--------------------------------

### strip_prefix

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns a subslice with the prefix removed if the slice starts with the specified prefix.

```APIDOC
## pub fn strip_prefix<P>(&self, prefix: &P) -> Option<&[T]>

### Description
Returns a subslice with the prefix removed. If the slice starts with `prefix`, returns the subslice after the prefix, wrapped in `Some`. If the slice does not start with `prefix`, returns `None`.
```

--------------------------------

### launch!(kernel, grid(G), block(B), stream, args)

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/macro.launch.html?search=

Launches a GPU kernel with default (0) dynamic shared memory.

```APIDOC
## launch!(kernel, grid(G), block(B), stream, args)

### Description
Launches a GPU kernel using default dynamic shared memory (0 bytes).

### Parameters
- **kernel** (Kernel) - Required - A Kernel instance.
- **G** (Dim3) - Required - Grid dimensions.
- **B** (Dim3) - Required - Block dimensions.
- **stream** (Stream) - Required - A reference to a Stream.
- **args** (KernelArgs) - Required - A reference to a tuple implementing KernelArgs.

### Returns
- **CudaResult<()>** - Returns a result indicating success or failure of the launch operation.
```

--------------------------------

### launch!(kernel, grid(G), block(B), shared(S), stream, args)

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/macro.launch.html?search=

Launches a GPU kernel with explicit dynamic shared memory configuration.

```APIDOC
## launch!(kernel, grid(G), block(B), shared(S), stream, args)

### Description
Launches a GPU kernel with specified grid, block, and dynamic shared memory dimensions.

### Parameters
- **kernel** (Kernel) - Required - A Kernel instance.
- **G** (Dim3) - Required - Grid dimensions.
- **B** (Dim3) - Required - Block dimensions.
- **S** (u32) - Required - Dynamic shared memory in bytes.
- **stream** (Stream) - Required - A reference to a Stream.
- **args** (KernelArgs) - Required - A reference to a tuple implementing KernelArgs.

### Returns
- **CudaResult<()>** - Returns a result indicating success or failure of the launch operation.
```

--------------------------------

### Example Search Queries

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/onnx_backend/ir/enum.AttributeValue.html?search=

Common patterns for searching within the documentation interface.

```text
  * std::vec
  * u32 -> bool
  * Option<T>, (T -> U) -> Option<U>
```

--------------------------------

### init()

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/fn.init.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Initializes the CUDA driver API by dynamically loading the appropriate library for the host operating system.

```APIDOC
## init

### Description
Initializes the CUDA driver API. This must be called before any other OxiCUDA function. It dynamically loads `libcuda.so` (Linux) or `nvcuda.dll` (Windows) and initializes the CUDA driver.

### Signature
`pub fn init() -> CudaResult<()>`

### Returns
- `Ok(())` on successful initialization.
- `Err(CudaError::NotInitialized)` if the system is macOS or lacks an NVIDIA GPU.
```

--------------------------------

### Unwrap or Else Example

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/type.BackendResult.html

Demonstrates using unwrap_or_else to provide a fallback value.

```rust
assert_eq!(Ok(2).unwrap_or_else(count), 2);
assert_eq!(Err("foo").unwrap_or_else(count), 3);
```

--------------------------------

### Get first chunk

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns an array reference to the first N items in the slice.

```rust
let u = [10, 40, 30];
assert_eq!(Some(&[10, 40]), u.first_chunk::<2>());

let v: &[i32] = &[10];
assert_eq!(None, v.first_chunk::<2>());

let w: &[i32] = &[];
assert_eq!(Some(&[]), w.first_chunk::<0>());
```

--------------------------------

### PipelineEngine::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/pipeline_parallel/struct.PipelineEngine.html?search=std%3A%3Avec

Creates a new instance of the PipelineEngine with the provided configuration.

```APIDOC
## pub fn new(config: PipelineConfig) -> CudaResult<Self>

### Description
Create a new pipeline engine with the given configuration.

### Parameters
- **config** (PipelineConfig) - Required - The configuration for the pipeline engine.
```

--------------------------------

### Check slice prefix with starts_with

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Verifies if a slice starts with a specific needle slice.

```rust
let v = [10, 40, 30];
assert!(v.starts_with(&[10]));
assert!(v.starts_with(&[10, 40]));
assert!(v.starts_with(&v));
assert!(!v.starts_with(&[50]));
assert!(!v.starts_with(&[10, 50]));
```

```rust
let v = &[10, 40, 30];
assert!(v.starts_with(&[]));
let v: &[u8] = &[];
assert!(v.starts_with(&[]));
```

--------------------------------

### CudaBackend::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/struct.CudaBackend.html

Creates a new instance of the CudaBackend.

```APIDOC
## CudaBackend::new

### Description
Creates a new instance of the CudaBackend. The backend is not initialized upon creation.

### Signature
`pub fn new() -> CudaBackend`
```

--------------------------------

### Split slice from the end

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Splits a slice into subslices starting from the end, working backwards.

```rust
let slice = [11, 22, 33, 0, 44, 55];
let mut iter = slice.rsplit(|num| *num == 0);

assert_eq!(iter.next().unwrap(), &[44, 55]);
assert_eq!(iter.next().unwrap(), &[11, 22, 33]);
assert_eq!(iter.next(), None);
```

```rust
let v = &[0, 1, 1, 2, 3, 5, 8];
let mut it = v.rsplit(|n| *n % 2 == 0);
assert_eq!(it.next().unwrap(), &[]);
assert_eq!(it.next().unwrap(), &[3, 5]);
assert_eq!(it.next().unwrap(), &[1, 1]);
assert_eq!(it.next().unwrap(), &[]);
assert_eq!(it.next(), None);
```

--------------------------------

### rchunks_exact_mut

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns an iterator over chunk_size elements of the slice at a time, starting at the end of the slice.

```APIDOC
## pub fn rchunks_exact_mut(&mut self, chunk_size: usize) -> RChunksExactMut<'_, T>

### Description
Returns an iterator over `chunk_size` elements of the slice at a time, starting at the end of the slice. The chunks are mutable slices and do not overlap. If `chunk_size` does not divide the length of the slice, the last elements are omitted.

### Panics
Panics if `chunk_size` is zero.
```

--------------------------------

### init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/fn.init_with.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Initializes the OxiCuda runtime using the provided configuration. If the runtime has already been initialized, the existing instance is returned.

```APIDOC
## Function: init_with

### Description
Initializes the OxiCuda runtime with a custom configuration. If the runtime is already initialized (by a prior call to `lazy_init` or `init_with`), the existing instance is returned and the provided `config` is ignored.

### Signature
`pub fn init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>`

### Parameters
- **config** (OxiCudaRuntimeConfig) - Required - The configuration object used to initialize the runtime.

### Returns
- **CudaResult<&'static OxiCudaRuntime>** - Returns a reference to the initialized runtime or an error if initialization fails.
```

--------------------------------

### WasmComputeBackend::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/wasm_backend/struct.WasmComputeBackend.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Creates a new, uninitialized WASM compute backend instance.

```APIDOC
## WasmComputeBackend::new

### Description
Creates a new, uninitialized WASM compute backend instance. On wasm32 targets, this is exported as a constructor for JavaScript usage.

### Signature
`pub fn new() -> Self`
```

--------------------------------

### TraceRecorder::start_span

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/profiling/struct.TraceRecorder.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Starts a span that records a beginning timestamp and an end timestamp when dropped.

```APIDOC
## pub fn start_span(&self, name: &str, category: &str) -> SpanGuard

### Description
Starts a span that records 'Begin' now and 'End' on drop.

### Parameters
- **name** (&str) - The name of the span.
- **category** (&str) - The category of the span.

### Returns
- **SpanGuard** - A guard object that records the end event when dropped.
```

--------------------------------

### Splitting first and last elements

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Examples of removing the first or last element from a slice.

```rust
let mut slice: &[_] = &['a', 'b', 'c'];
let first = slice.split_off_first().unwrap();

assert_eq!(slice, &['b', 'c']);
assert_eq!(first, &'a');
```

```rust
let mut slice: &mut [_] = &mut ['a', 'b', 'c'];
let first = slice.split_off_first_mut().unwrap();
*first = 'd';

assert_eq!(slice, &['b', 'c']);
assert_eq!(first, &'d');
```

```rust
let mut slice: &[_] = &['a', 'b', 'c'];
let last = slice.split_off_last().unwrap();

assert_eq!(slice, &['a', 'b']);
assert_eq!(last, &'c');
```

```rust
let mut slice: &mut [_] = &mut ['a', 'b', 'c'];
let last = slice.split_off_last_mut().unwrap();
*last = 'd';
```

--------------------------------

### WasmComputeBackend::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/wasm_backend/struct.WasmComputeBackend.html?search=u32+-%3E+bool

Creates a new, uninitialized WASM compute backend instance.

```APIDOC
## pub fn new() -> Self

### Description
Create a new, uninitialised WASM compute backend. On wasm32 this is also exported as the #[wasm_bindgen(constructor)].
```

--------------------------------

### Use WasmComputeBackend in JavaScript

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/wasm_backend/struct.WasmComputeBackend.html?search=

Shows how to initialize and interact with the backend from an ES module built with wasm-pack.

```javascript
// ES module, built with wasm-pack
import init, { WasmComputeBackend } from './oxicuda_wasm.js';
await init();
const backend = new WasmComputeBackend();
await WasmComputeBackend.init_browser();
const ptr = backend.alloc(1024n);
backend.free(ptr);
backend.synchronize();
```

--------------------------------

### pub fn init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/fn.init_with.html

Initializes the OxiCuda runtime with a custom configuration. If the runtime is already initialized, the existing instance is returned and the provided configuration is ignored.

```APIDOC
## init_with

### Description
Initializes the OxiCuda runtime with a custom configuration. If the runtime is already initialized (by a prior call to `lazy_init` or `init_with`), the existing instance is returned and the provided `config` is ignored.

### Signature
`pub fn init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>`

### Parameters
- **config** (OxiCudaRuntimeConfig) - Required - The configuration object used to initialize the runtime.

### Returns
- **CudaResult<&'static OxiCudaRuntime>** - Returns a reference to the initialized OxiCudaRuntime or an error if initialization fails.
```

--------------------------------

### init

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/index.html?search=std%3A%3Avec

Initializes the CUDA driver API.

```APIDOC
## init

### Description
Initialize the CUDA driver API for use by the application.
```

--------------------------------

### Get device ordinal by rank

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/collective/struct.Communicator.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Returns the device ordinal associated with a specific rank if it exists.

```rust
pub fn device_ordinal(&self, rank: usize) -> Option<i32>
```

--------------------------------

### Retrieve the default CUDA device

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/fn.default_device.html?search=u32+-%3E+bool

Returns a reference to the default device, initializing the runtime if it has not been started.

```rust
pub fn default_device() -> CudaResult<&'static Device>
```

--------------------------------

### CudaBackend::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/struct.CudaBackend.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Creates a new, uninitialized instance of the CudaBackend.

```APIDOC
## pub fn new() -> Self

### Description
Creates a new, uninitialized CUDA backend instance.

### Signature
`pub fn new() -> Self`
```

--------------------------------

### Splitting mutable slices with split_off_mut

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Examples of using split_off_mut to remove and return a mutable subslice.

```rust
let mut slice: &mut [_] = &mut ['a', 'b', 'c', 'd'];
let mut first_three = slice.split_off_mut(..3).unwrap();

assert_eq!(slice, &mut ['d']);
assert_eq!(first_three, &mut ['a', 'b', 'c']);
```

```rust
let mut slice: &mut [_] = &mut ['a', 'b', 'c', 'd'];
let mut tail = slice.split_off_mut(2..).unwrap();

assert_eq!(slice, &mut ['a', 'b']);
assert_eq!(tail, &mut ['c', 'd']);
```

```rust
let mut slice: &mut [_] = &mut ['a', 'b', 'c', 'd'];

assert_eq!(None, slice.split_off_mut(5..));
assert_eq!(None, slice.split_off_mut(..5));
assert_eq!(None, slice.split_off_mut(..=4));
let expected: &mut [_] = &mut ['a', 'b', 'c', 'd'];
assert_eq!(Some(expected), slice.split_off_mut(..4));
```

--------------------------------

### launch!

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/macro.launch.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

A macro to launch a GPU kernel with specified grid, block, shared memory, stream, and arguments.

```APIDOC
## launch!

### Description
Launches a GPU kernel using the provided configuration. This macro simplifies the process of setting up grid and block dimensions, shared memory, and stream parameters.

### Syntax
- `launch!(kernel, grid(G), block(B), shared(S), stream, args)?`
- `launch!(kernel, grid(G), block(B), stream, args)?` (defaults shared memory to 0)

### Parameters
- **kernel** (Kernel) - A Kernel instance.
- **G** (Dim3) - Grid dimensions.
- **B** (Dim3) - Block dimensions.
- **S** (u32) - Dynamic shared memory in bytes.
- **stream** (Stream) - A reference to a Stream.
- **args** (KernelArgs) - A reference to a tuple implementing KernelArgs.

### Returns
- **CudaResult<()>** - Returns a result indicating success or failure, intended to be used with the `?` operator.

### Example
```rust
// With explicit shared memory
launch!(kernel, grid(4u32), block(256u32), shared(0), &stream, &(a_ptr, b_ptr, c_ptr, n))?;

// Without shared memory
launch!(kernel, grid(4u32), block(256u32), &stream, &(a_ptr, b_ptr, c_ptr, n))?;
```
```

--------------------------------

### Example ptxas Log Formats

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/struct.JitDiagnostic.html

Raw ptxas log lines that are parsed into JitDiagnostic instances.

```text
ptxas error   : 'kernel', line 10; error   : Unknown instruction 'xyz'
ptxas warning : 'kernel', line 15; warning : double-precision is slow
ptxas info    : 'kernel' used 16 registers, 0 bytes smem
```

--------------------------------

### Kernel::launch

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Kernel.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Launches the kernel asynchronously on the GPU.

```APIDOC
## pub fn launch<A>(&self, params: &LaunchParams, stream: &Stream, args: &A) -> Result<(), CudaError>

### Description
Launches the kernel with the specified grid/block dimensions, stream, and arguments. This is an asynchronous operation.

### Parameters
- **params** (LaunchParams) - Grid and block dimensions.
- **stream** (Stream) - The CUDA stream to execute on.
- **args** (A: KernelArgs) - Kernel arguments (e.g., tuples of Copy types).

### Errors
Returns `CudaError` if the launch fails due to invalid dimensions, resource constraints, or driver errors.
```

--------------------------------

### init_with

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/fn.init_with.html?search=std%3A%3Avec

Initializes the OxiCuda runtime with a custom configuration. If the runtime is already initialized, the existing instance is returned and the provided configuration is ignored.

```APIDOC
## Function: init_with

### Signature
`pub fn init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>`

### Description
Initializes the OxiCuda runtime with a custom configuration. If the runtime has already been initialized by a prior call to `lazy_init` or `init_with`, the existing instance is returned and the provided `config` parameter is ignored.

### Parameters
- **config** (OxiCudaRuntimeConfig) - The configuration object used to initialize the runtime.

### Returns
- **CudaResult<&'static OxiCudaRuntime>** - Returns the initialized runtime instance or an error if initialization fails.
```

--------------------------------

### Manage WasmComputeBackend lifecycle in Rust

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/wasm_backend/struct.WasmComputeBackend.html?search=

Demonstrates the standard lifecycle of initializing the backend, allocating memory, and synchronizing operations in a Rust/Wasm32 environment.

```rust
// Rust / Wasm32
let mut backend = WasmComputeBackend::new();
backend.init()?;                    // select WebGPU adapter
let ptr = backend.alloc(1024)?;     // device allocation
backend.synchronize()?;
backend.free(ptr)?;
```

--------------------------------

### Flattening Nested Results

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/backend/type.BackendResult.html

Examples of using .flatten() to reduce nesting levels in Result types.

```rust
let x: Result<Result<&'static str, u32>, u32> = Ok(Ok("hello"));
assert_eq!(Ok("hello"), x.flatten());

let x: Result<Result<&'static str, u32>, u32> = Ok(Err(6));
assert_eq!(Err(6), x.flatten());

let x: Result<Result<&'static str, u32>, u32> = Err(6);
assert_eq!(Err(6), x.flatten());
```

```rust
let x: Result<Result<Result<&'static str, u32>, u32>, u32> = Ok(Ok(Ok("hello")));
assert_eq!(Ok(Ok("hello")), x.flatten());
assert_eq!(Ok("hello"), x.flatten().flatten());
```

--------------------------------

### Get mutable slice element or subslice

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns a mutable reference to an element or subslice, or None if out of bounds.

```rust
let x = &mut [0, 1, 2];

if let Some(elem) = x.get_mut(1) {
    *elem = 42;
}
assert_eq!(x, &[0, 42, 2]);
```

--------------------------------

### init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/fn.init_with.html?search=

Initializes the OxiCuda runtime with a custom configuration. If the runtime is already initialized, the existing instance is returned.

```APIDOC
## Function: init_with

### Description
Initializes the OxiCuda runtime with a custom configuration. If the runtime is already initialized (by a prior call to `lazy_init` or `init_with`), the existing instance is returned and the provided `config` is ignored.

### Signature
`pub fn init_with(config: OxiCudaRuntimeConfig) -> CudaResult<&'static OxiCudaRuntime>`

### Parameters
- **config** (OxiCudaRuntimeConfig) - Required - The configuration object used to initialize the runtime.

### Returns
- **CudaResult<&'static OxiCudaRuntime>** - Returns a reference to the initialized OxiCudaRuntime or a CudaResult error.
```

--------------------------------

### TraceRecorder::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/profiling/struct.TraceRecorder.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Creates a new, empty TraceRecorder instance.

```APIDOC
## pub fn new() -> Self

### Description
Creates a new empty recorder instance.

### Returns
- **Self** - A new instance of TraceRecorder.
```

--------------------------------

### Get slice element or subslice

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns a reference to an element or subslice based on the provided index or range.

```rust
let v = [10, 40, 30];
assert_eq!(Some(&40), v.get(1));
assert_eq!(Some(&[10, 40][..]), v.get(0..2));
assert_eq!(None, v.get(3));
assert_eq!(None, v.get(0..4));
```

--------------------------------

### Occupancy Query Methods

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/struct.Function.html?search=u32+-%3E+bool

Methods for evaluating and optimizing kernel launch configurations for occupancy.

```APIDOC
## pub fn max_active_blocks_per_sm(&self, block_size: i32, dynamic_smem: usize) -> Result<i32, CudaError>
Returns the maximum number of active blocks per streaming multiprocessor for a given block size and dynamic shared memory.

## pub fn optimal_block_size(&self, dynamic_smem: usize) -> Result<(i32, i32), CudaError>
Suggests an optimal launch configuration (min_grid_size, optimal_block_size) that maximizes multiprocessor occupancy.
```

--------------------------------

### Get mutable first chunk

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns a mutable array reference to the first N items in the slice.

```rust
let x = &mut [0, 1, 2];

if let Some(first) = x.first_chunk_mut::<2>() {
    first[0] = 5;
    first[1] = 4;
}
assert_eq!(x, &[5, 4, 2]);

assert_eq!(None, x.first_chunk_mut::<4>());
```

--------------------------------

### Get mutable last element

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns a mutable reference to the last item in the slice, or None if it is empty.

```rust
let x = &mut [0, 1, 2];

if let Some(last) = x.last_mut() {
    *last = 10;
}
assert_eq!(x, &[0, 1, 10]);

let y: &mut [i32] = &mut [];
assert_eq!(None, y.last_mut());
```

--------------------------------

### Record and export a profiling session

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/profiling/index.html

Demonstrates how to initialize a session, use a guard to profile a kernel execution, and export the results to a Chrome-compatible trace format.

```rust
use oxicuda::profiling::*;
use std::collections::HashMap;

let session = ProfilingSession::new("my_session");
session.begin();

{
    let _guard = session.kernel("matmul_f32");
    // ... kernel would execute here ...
}

session.end();
let trace = session.export_chrome_trace();
assert!(trace.contains("traceEvents"));
```

--------------------------------

### Get mutable first element

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns a mutable reference to the first element of the slice, or None if it is empty.

```rust
let x = &mut [0, 1, 2];

if let Some(first) = x.first_mut() {
    *first = 5;
}
assert_eq!(x, &[5, 1, 2]);

let y: &mut [i32] = &mut [];
assert_eq!(None, y.first_mut());
```

--------------------------------

### GradientBucket Implementation Methods

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/distributed/struct.GradientBucket.html?search=u32+-%3E+bool

Methods for initializing and managing gradient buckets.

```rust
pub fn new(bucket_size_mb: usize) -> Self
```

```rust
pub fn add_gradient(&mut self, param_id: usize, grad_size: usize)
```

```rust
pub fn add_gradient_data(&mut self, param_id: usize, grad: &[f32])
```

```rust
pub fn buckets(&self) -> &[Bucket]
```

```rust
pub fn mark_ready(&mut self, bucket_idx: usize) -> CudaResult<()>
```

```rust
pub fn num_buckets(&self) -> usize
```

```rust
pub fn bucket_capacity(&self) -> usize
```

--------------------------------

### Get CUDA Runtime Information

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/global_init/fn.runtime_info.html?search=std%3A%3Avec

Retrieves a RuntimeInfo summary, invoking lazy_init if the runtime is not yet initialized.

```rust
pub fn runtime_info() -> CudaResult<RuntimeInfo>
```

--------------------------------

### Context::new

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Context.html?search=

Creates a new CUDA context on the specified device with default flags.

```APIDOC
### pub fn new(device: &Device) -> Result<Context, CudaError>

Creates a new context on the given device with default flags (flags::SCHED_AUTO). The new context is automatically pushed onto the calling thread's context stack and becomes the current context.
```

--------------------------------

### Creating a Kernel

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Kernel.html?search=

Initialize a kernel from a loaded PTX module.

```rust
let module = Arc::new(Module::from_ptx(ptx)?);
let kernel = Kernel::from_module(module, "my_kernel")?;
println!("loaded kernel: {}", kernel.name());
```

--------------------------------

### Strip Prefix from Slice

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Removes a specified prefix from the start of a slice, returning the remainder if the prefix matches.

```rust
let v = &[10, 40, 30];
assert_eq!(v.strip_prefix(&[10]), Some(&[40, 30][..]));
assert_eq!(v.strip_prefix(&[10, 40]), Some(&[30][..]));
assert_eq!(v.strip_prefix(&[10, 40, 30]), Some(&[][..]));
assert_eq!(v.strip_prefix(&[50]), None);
assert_eq!(v.strip_prefix(&[10, 50]), None);

let prefix : &str = "he";
assert_eq!(b"hello".strip_prefix(prefix.as_bytes()),
           Some(b"llo".as_ref()));
```

--------------------------------

### fn init

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/fn.init.html?search=std%3A%3Avec

Initializes the CUDA driver API by dynamically loading the appropriate library for the host operating system.

```APIDOC
## fn init()

### Description
Initializes the CUDA driver API. This must be called before any other OxiCUDA function. It dynamically loads libcuda.so (Linux) or nvcuda.dll (Windows) and initializes the CUDA driver.

### Signature
`pub fn init() -> CudaResult<()>`

### Returns
- **CudaResult<()>**: Returns Ok(()) on success, or Err(CudaError::NotInitialized) on macOS or systems without an NVIDIA GPU.
```

--------------------------------

### Split slice from the end with rsplitn

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Splits a slice into at most n items starting from the end based on a predicate.

```rust
let v = [10, 40, 30, 20, 60, 50];

for group in v.rsplitn(2, |num| *num % 3 == 0) {
    println!("{group:?}");
}
```

--------------------------------

### MultiGpuPool Implementation Methods

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/device_pool/struct.MultiGpuPool.html?search=Option%3CT%3E%2C+%28T+-%3E+U%29+-%3E+Option%3CU%3E

Methods for creating, managing, and querying the MultiGpuPool.

```rust
pub fn new(policy: DeviceSelectionPolicy) -> CudaResult<Self>
```

```rust
pub fn with_devices( ordinals: Vec<i32>, policy: DeviceSelectionPolicy, ) -> CudaResult<Self>
```

```rust
pub fn acquire(&self) -> CudaResult<GpuLease>
```

```rust
pub fn acquire_with_description( &self, description: String, ) -> CudaResult<GpuLease>
```

```rust
pub fn release(&self, lease: GpuLease)
```

```rust
pub fn device_count(&self) -> usize
```

```rust
pub fn status(&self) -> Vec<DeviceStatus>
```

```rust
pub fn set_policy(&self, policy: DeviceSelectionPolicy) -> CudaResult<()>
```

--------------------------------

### Split mutable slice from the end

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Splits a mutable slice into subslices starting from the end, working backwards.

```rust
let mut v = [100, 400, 300, 200, 600, 500];

let mut count = 0;
for group in v.rsplit_mut(|num| *num % 3 == 0) {
    count += 1;
    group[0] = count;
}
assert_eq!(v, [3, 400, 300, 2, 600, 1]);
```

--------------------------------

### chunks_exact

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns an iterator over chunk_size elements of the slice at a time, starting at the beginning. The chunks are non-overlapping slices.

```APIDOC
## pub fn chunks_exact(&self, chunk_size: usize) -> ChunksExact<'_, T>

### Description
Returns an iterator over `chunk_size` elements of the slice at a time, starting at the beginning of the slice. The chunks are slices and do not overlap. If `chunk_size` does not divide the length of the slice, the last elements are omitted and can be retrieved via the iterator's `remainder` function.

### Parameters
- **chunk_size** (usize) - Required - The size of each chunk.

### Panics
Panics if `chunk_size` is zero.
```

--------------------------------

### Module::from_ptx_with_options

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.Module.html

Loads a module from PTX source with explicit JIT compiler options.

```APIDOC
## pub fn from_ptx_with_options(ptx: &str, options: &JitOptions) -> Result<(Module, JitLog), CudaError>

### Description
Loads a module from PTX source with explicit JIT compiler options. Returns the loaded module together with a `JitLog` containing any informational or error messages from the JIT compiler.

### Errors
Returns a `CudaError` if JIT compilation fails or the driver call otherwise errors.
```

--------------------------------

### pub fn iter(&self) -> Iter<'_, T>

Source: https://docs.rs/oxicuda/0.4.1/oxicuda/prelude/struct.PinnedBuffer.html

Returns an iterator over the slice, yielding all items from start to end.

```APIDOC
## pub fn iter(&self) -> Iter<'_, T>

### Description
Returns an iterator over the slice. The iterator yields all items from start to end.
```
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