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SpawnDev.ILGPU v2.0.0

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@LostBeard LostBeard released this 09 Feb 23:23
· 1139 commits to master since this release
v2.0.0
3e793df

SpawnDev.ILGPU v2.0.0 — First Stable Release

Run ILGPU kernels in the browser — on the GPU, across threads, or on the CPU.

SpawnDev.ILGPU v2.0.0 is the first stable release of this library, the successor to SpawnDev.ILGPU.WebGPU which only supported a single WebGPU backend. Version 2.0.0 brings four full compute backends, automatic device selection, and 360+ tests — all running entirely in the browser via Blazor WebAssembly.

What's New in 2.0.0

Four Compute Backends

Backend Executes on Performance
WebGPU GPU via WGSL transpilation ⚡⚡⚡ Fastest
Wasm Web Workers via native WebAssembly binary ⚡⚡ Fast
Workers Web Workers via JavaScript transpilation ⚡ Moderate
CPU Main thread via .NET runtime 🐢 Fallback

Automatic Backend Selection

Call CreatePreferredAcceleratorAsync() and the library picks the best available backend: WebGPU → Wasm → Workers → CPU.

Key Features

  • WGSL transpilation — C# ILGPU kernels compiled to WebGPU Shading Language for GPU execution
  • Wasm compilation — Kernels compiled to native WebAssembly binary modules for near-native performance
  • 64-bit emulation — Full double (f64) and long (i64) support via software emulation on WebGPU
  • WebGPU extension auto-detection — Probes adapter for shader-f16, subgroups, timestamp-query and enables them automatically
  • Subgroup operations — Group.Broadcast and Warp.Shuffle supported when the browser exposes the subgroups extension
  • Multi-worker dispatch — Wasm and Workers backends distribute work across all available CPU cores
  • Shared memory & atomics — Workgroup memory, barriers, and atomic operations across backends
  • No native dependencies — Pure C#, powered by SpawnDev.BlazorJS

360+ Tests

Comprehensive coverage across all backends: memory, indexing, arithmetic, bitwise, math functions, atomics, control flow, structs, type casting, 64-bit emulation, GPU patterns, shared memory, broadcast & subgroups, and more.

Interactive Demo

Try the live demo featuring a real-time Fractal Explorer that lets you switch between all four backends and compare performance.

Installation

dotnet add package SpawnDev.ILGPU

Breaking Changes from SpawnDev.ILGPU.WebGPU

This package replaces SpawnDev.ILGPU.WebGPU. Key differences:

  • Namespace: SpawnDev.ILGPU (was SpawnDev.ILGPU.WebGPU)
  • Multiple backends: WebGPU is no longer the only option — Wasm, Workers, and CPU backends are included
  • Unified API: Context.CreateAsync() with builder pattern for all backends
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