WebAssembly Integration
High-performance C++ algorithms compiled to WebAssembly for web applications that need computational power beyond what JavaScript can deliver.
JavaScript has limits. For most web applications, those limits don't matter — but for applications doing real-time data processing, complex simulations, image manipulation, or scientific computation, JavaScript's performance ceiling creates a genuine product problem. WebAssembly is the solution: native-speed code running inside a browser or server environment, alongside your existing JavaScript application.
Lindevo specialises in porting performance-critical algorithms from C++ to WebAssembly and integrating them seamlessly into web applications. The typical use case is a business that has proven algorithms in C++ — pricing engines, routing algorithms, image processing pipelines, physics simulations — and needs to bring them to the web without rewriting them in JavaScript and accepting a 10-100x performance degradation.
The WebAssembly integration process preserves your existing C++ investment while unlocking web deployment. Your algorithms run at near-native speed in the browser, with no server round-trip required for computation. We build the JavaScript interop layer that makes calling your WebAssembly module feel like calling any other JavaScript function, and we handle the compilation pipeline, SIMD optimisation, memory management, and browser compatibility so your engineering team can focus on the business logic.
Features & Capabilities
Who This Is For
How It Works
Performance Profiling
We profile your current implementation to confirm that WebAssembly is the right solution and identify exactly which code paths are bottlenecks. Sometimes the problem is algorithmic — we'll flag that before writing any WASM.
Compilation Pipeline Setup
We set up the Emscripten or Clang/LLVM toolchain, configure optimisation flags (including SIMD where available), and establish the build pipeline that produces optimised WASM binaries.
C++ Adaptation
We adapt your C++ code for the WASM environment: removing OS dependencies, adapting memory allocation patterns, adding the Embind or WebIDL bindings that expose your functions to JavaScript.
JavaScript Interop Layer
We write the JavaScript wrapper that loads the WASM module, manages memory allocation and deallocation, handles async initialisation, and presents a clean API to your application code.
Benchmarking & Optimisation
We benchmark the WASM implementation against the baseline and iterate on optimisations until the performance target is met. We document the performance characteristics so your team can reason about future changes.
Integration & Testing
We integrate the module into your application, write tests that verify correctness (same outputs as the original C++), and document the module interface for your engineering team.
What You Can Expect
How We Work Together
WebAssembly integration is a fixed-fee project engagement. Scope and pricing are determined after reviewing your C++ codebase and performance requirements. Most integrations are delivered in 4-10 weeks.
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