Module gpu 

GPU integration for calculus modality.

Provides cross-platform GPU compute shader execution for numerical integration and differential equation solving via portable wgpu (Vulkan / DX12 / Metal / WebGPU). The engine is vendor-neutral: there is no CUDA/cuFile path. The former NVIDIA GPUDirect-Storage bridge was removed; heterogeneous dispatch, mixed-precision policy, and the vendor-neutral storage path (mmap + staging upload) live in super::hetero_dispatch.

Architecture

• WebGPU (wgpu): portable compute on every backend; the single GPU path.
• Storage: NVMe → OS page cache (mmap, super::host) → GPU staging upload. (NVIDIA GDS’s true NVMe→VRAM DMA was deliberately declined — vendor-lock off the affordability critical path; see hetero_dispatch.rs.)
• State Tracking: GPU results packed into Quin metadata field.

Re-exports

pub use WebGpuIntegrator as PlatformGpuIntegrator;

Structs

WebGpuIntegrator

WebGPU-based GPU integrator (cross-platform fallback).

Enums

GpuError

Traits

GpuIntegrator

Platform-agnostic GPU integration interface.

Functions

create_gpu_job_quin

Creates a suspended Quin for GPU computation.

extract_gpu_result_from_quin

Extracts GPU computation result from Quin metadata field.

pack_gpu_result_into_quin

Packs GPU computation result into Quin metadata field.