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GpuContext

scirs2_sparse::gpu_ops

Struct GpuContext 

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pub struct GpuContext { /* private fields */ }
Expand description

GPU context for managing GPU resources and operations

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impl GpuContext

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pub fn new(backend: GpuBackend) -> Result<GpuContext, GpuError>

Create a new GPU context with the specified backend

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pub fn backend(&self) -> GpuBackend

Get the backend type

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pub fn backend_name(&self) -> &str

Get the backend name

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pub fn create_buffer<T>(&self, size: usize) -> GpuBuffer<T>
where T: GpuDataType,

Create a buffer with the given size

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pub fn create_buffer_from_slice<T>(&self, data: &[T]) -> GpuBuffer<T>
where T: GpuDataType,

Create a buffer from a slice

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pub fn execute<F, R>(&self, f: F) -> R
where F: FnOnce(&GpuCompiler) -> R,

Execute a function with a compiler

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pub fn get_kernel(&self, name: &str) -> Result<GpuKernelHandle, GpuError>

Get a kernel from the registry

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pub fn get_specialized_kernel( &self, name: &str, params: &KernelParams, ) -> Result<GpuKernelHandle, GpuError>

Get a specialized kernel from the registry

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pub fn get_available_memory(&self) -> Option<usize>

Get available memory on the device

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pub fn get_total_memory(&self) -> Option<usize>

Get total memory on the device

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pub fn launch_kernel( &self, kernel_name: &str, grid_size: (usize, usize, usize), block_size: (usize, usize, usize), args: &[DynamicKernelArg], ) -> Result<(), GpuError>

Launch a kernel with the given parameters

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pub fn transfer_async_host_to_device<T>( &self, ptr: &GpuPtr<T>, data: &[T], ) -> Result<(), GpuError>
where T: GpuDataType,

Transfer data from host to device asynchronously

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pub fn transfer_host_to_device<T>( &self, ptr: &GpuPtr<T>, data: &[T], ) -> Result<(), GpuError>
where T: GpuDataType,

Transfer data from host to device synchronously

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pub fn transfer_async_device_to_host<T>( &self, ptr: &GpuPtr<T>, data: &mut [T], ) -> Result<(), GpuError>
where T: GpuDataType,

Transfer data from device to host asynchronously

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pub fn transfer_device_to_host<T>( &self, ptr: &GpuPtr<T>, data: &mut [T], ) -> Result<(), GpuError>
where T: GpuDataType,

Transfer data from device to host synchronously

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pub fn execute_kernel( &self, source: &str, buffers: &[GpuBuffer<f32>], work_groups: (u32, u32, u32), int_params: &[u32], float_params: &[f32], ) -> Result<(), GpuError>

Execute a kernel with dynamic compilation and parameter passing This method is expected by scirs2-vision for GPU operations

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pub fn read_buffer<T>(&self, buffer: &GpuBuffer<T>) -> Result<Vec<T>, GpuError>
where T: GpuDataType,

Read data from a GPU buffer This method is expected by scirs2-vision for reading GPU results

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pub fn sum_all<T>( &self, buffer: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Global sum reduction

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pub fn mean_all<T>( &self, buffer: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Global mean reduction

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pub fn max_all<T>( &self, buffer: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Global max reduction

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pub fn min_all<T>( &self, buffer: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Global min reduction

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pub fn sum_axis<T>( &self, buffer: &GpuBuffer<T>, shape: &[usize], axis: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Sum reduction along an axis

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pub fn mean_axis<T>( &self, buffer: &GpuBuffer<T>, shape: &[usize], axis: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Mean reduction along an axis

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pub fn max_axis<T>( &self, buffer: &GpuBuffer<T>, shape: &[usize], axis: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Max reduction along an axis

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pub fn min_axis<T>( &self, buffer: &GpuBuffer<T>, shape: &[usize], axis: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Min reduction along an axis

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pub fn broadcast<T>( &self, buffer: &GpuBuffer<T>, from_shape: &[usize], to_shape: &[usize], ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Broadcast a buffer to a different shape

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pub fn scale<T>( &self, buffer: &GpuBuffer<T>, scalar: T, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Scale a buffer by a scalar value

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pub fn gemm<T>( &self, a: &GpuBuffer<T>, b: &GpuBuffer<T>, m: usize, k: usize, n: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

General matrix multiplication: C = A @ B

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pub fn gemm_transpose_b<T>( &self, a: &GpuBuffer<T>, b: &GpuBuffer<T>, m: usize, k: usize, n: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

GEMM with transposed B: C = A @ B^T

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pub fn gemm_transpose_a<T>( &self, a: &GpuBuffer<T>, b: &GpuBuffer<T>, m: usize, k: usize, n: usize, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

GEMM with transposed A: C = A^T @ B

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pub fn relu<T>(&self, input: &GpuBuffer<T>) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

ReLU activation forward pass

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pub fn relu_backward<T>( &self, grad_output: &GpuBuffer<T>, input: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

ReLU backward pass

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pub fn sigmoid<T>(&self, input: &GpuBuffer<T>) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Sigmoid activation forward pass

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pub fn sigmoid_backward<T>( &self, grad_output: &GpuBuffer<T>, input: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Sigmoid backward pass

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pub fn tanh<T>(&self, input: &GpuBuffer<T>) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Tanh activation forward pass

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pub fn tanh_backward<T>( &self, grad_output: &GpuBuffer<T>, input: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

Tanh backward pass

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pub fn gelu<T>(&self, input: &GpuBuffer<T>) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

GELU activation forward pass

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pub fn gelu_backward<T>( &self, grad_output: &GpuBuffer<T>, input: &GpuBuffer<T>, ) -> Result<GpuBuffer<T>, GpuError>
where T: GpuDataType,

GELU backward pass

Trait Implementations§

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impl Debug for GpuContext

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V