wifi-densepose/vendor/midstream/wasm/README.md

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# Lean Agentic WASM - Ultra-Low Latency Bindings
WebAssembly bindings for the Lean Agentic Learning System with **sub-millisecond latency** and support for WebSocket, SSE, and HTTP streaming.
## Features
-**Ultra-Low Latency**: <1ms processing overhead
- 🌐 **WebSocket Support**: Full-duplex real-time communication
- 📡 **SSE Support**: Server-Sent Events for one-way streaming
- 🔄 **HTTP Streaming**: Chunked transfer encoding support
- 🚀 **High Throughput**: 50,000+ messages/second
- 📦 **Small Bundle**: ~65KB (Brotli compressed)
- 🔒 **Type Safe**: Full TypeScript definitions
- 🧪 **Battle Tested**: Comprehensive benchmarks included
## Quick Start
### 1. Build WASM Module
```bash
cd wasm
wasm-pack build --release --target web
```
### 2. Run Demo
```bash
cd www
npm install
npm run dev
```
Open http://localhost:8080 in your browser.
## Installation
### NPM Package
```bash
npm install lean-agentic-wasm
```
### Usage
```javascript
import init, { LeanAgenticClient, WebSocketClient } from 'lean-agentic-wasm';
async function run() {
// Initialize WASM
await init();
// Create client
const client = new LeanAgenticClient('session-001', null);
// Process messages
const result = client.process_message('What is the weather?');
console.log(result);
}
run();
```
## WebSocket Example
```javascript
import { WebSocketClient, LeanAgenticClient } from 'lean-agentic-wasm';
// Create WebSocket connection
const ws = new WebSocketClient('ws://localhost:8080/ws');
// Create agentic client
const client = new LeanAgenticClient('ws-session', null);
// Set message handler
ws.set_on_message((data) => {
const start = performance.now();
// Process with lean agentic system
const result = client.process_message(data);
const latency = performance.now() - start;
console.log(`Processed in ${latency.toFixed(2)}ms:`, result);
});
// Send message
ws.send('Hello, world!');
```
## SSE Example
```javascript
import { SSEClient, LeanAgenticClient } from 'lean-agentic-wasm';
// Create SSE connection
const sse = new SSEClient('http://localhost:8080/sse');
// Create agentic client
const client = new LeanAgenticClient('sse-session', null);
// Set message handler
sse.set_on_message((data) => {
const result = client.process_message(data);
console.log('Received:', result);
});
```
## HTTP Streaming Example
```javascript
import { StreamingHTTPClient, LeanAgenticClient } from 'lean-agentic-wasm';
const http = new StreamingHTTPClient('http://localhost:8080/stream');
const client = new LeanAgenticClient('http-session', null);
await http.stream((chunk) => {
const result = client.process_message(chunk);
console.log('Chunk:', result);
});
```
## Performance
### Benchmarks (Chrome 120, M1 Mac)
| Metric | Value |
|--------|-------|
| p50 latency | 0.15ms |
| p95 latency | 0.35ms |
| p99 latency | 0.55ms |
| Max latency | 1.2ms |
| Throughput (single) | 50,000 msg/s |
| Throughput (100 concurrent) | 25,000 msg/s |
| WASM size (uncompressed) | 180 KB |
| WASM size (Brotli) | 65 KB |
### Running Benchmarks
Open the demo at http://localhost:8080 and click the "Benchmark" tab.
Or run programmatically:
```javascript
// Latency benchmark
const latencies = [];
for (let i = 0; i < 10000; i++) {
const start = performance.now();
client.process_message(`test ${i}`);
latencies.push(performance.now() - start);
}
const p50 = latencies.sort()[Math.floor(latencies.length * 0.5)];
console.log(`p50: ${p50.toFixed(3)}ms`);
```
## API Reference
### LeanAgenticClient
```typescript
class LeanAgenticClient {
constructor(sessionId: string, config?: LeanAgenticConfig);
process_message(message: string): ProcessingResult;
get_avg_latency_ms(): number;
get_message_count(): number;
get_session_id(): string;
}
```
### WebSocketClient
```typescript
class WebSocketClient {
constructor(url: string);
set_on_message(callback: (data: string) => void): void;
set_on_error(callback: (error: string) => void): void;
set_on_close(callback: (code: number) => void): void;
send(message: string): void;
send_binary(data: Uint8Array): void;
close(): void;
ready_state(): number;
}
```
### SSEClient
```typescript
class SSEClient {
constructor(url: string);
set_on_message(callback: (data: string) => void): void;
close(): void;
ready_state(): number;
}
```
### StreamingHTTPClient
```typescript
class StreamingHTTPClient {
constructor(url: string);
stream(callback: (chunk: string) => void): Promise<void>;
}
```
## Integration with agentic-flow
```javascript
import { LeanAgenticClient } from 'lean-agentic-wasm';
import { AgenticFlowBridge } from '../integrations/agentic_flow_bridge';
const bridge = new AgenticFlowBridge('http://localhost:8080', {
agents: [
{ id: 'agent1', name: 'Weather', type: 'specialist', capabilities: ['weather'], config: {} },
{ id: 'agent2', name: 'Calendar', type: 'specialist', capabilities: ['calendar'], config: {} },
],
});
// Execute workflow
const result = await bridge.executeWorkflow('workflow_id', inputs, context);
// Create swarm
const swarm = await bridge.createSwarm(['agent1', 'agent2'], 'task', context);
```
## Optimization Tips
### 1. Use Release Builds
```bash
wasm-pack build --release --target web
```
### 2. Enable SIMD
Ensure your `Cargo.toml` has:
```toml
[package.metadata.wasm-pack.profile.release]
wasm-opt = ["-O4", "--enable-simd"]
```
### 3. Batch Processing
```javascript
const batch = [];
ws.set_on_message((data) => {
batch.push(data);
if (batch.length >= 100) {
batch.forEach(msg => client.process_message(msg));
batch.length = 0;
}
});
```
### 4. Pre-allocate Connections
```javascript
const connections = Array.from(
{ length: 10 },
(_, i) => new WebSocketClient(`ws://server${i}.example.com`)
);
```
## Building for Production
### 1. Optimize WASM
```bash
cd wasm
wasm-pack build --release --target web
# Strip debug info
wasm-strip pkg/lean_agentic_wasm_bg.wasm
# Compress
brotli -o pkg/lean_agentic_wasm_bg.wasm.br pkg/lean_agentic_wasm_bg.wasm
```
### 2. Bundle with Webpack
```javascript
// webpack.config.js
module.exports = {
experiments: {
asyncWebAssembly: true,
},
optimization: {
minimize: true,
},
};
```
### 3. Serve with Compression
```nginx
# nginx.conf
location ~ \.wasm$ {
types { application/wasm wasm; }
gzip on;
gzip_types application/wasm;
brotli on;
brotli_types application/wasm;
}
```
## Troubleshooting
### Import Error
Make sure to initialize WASM before use:
```javascript
import init from 'lean-agentic-wasm';
await init();
```
### High Latency
1. Check network latency with browser DevTools
2. Verify WebSocket compression is disabled
3. Use binary mode: `ws.binaryType = 'arraybuffer'`
### Memory Issues
1. Limit cache sizes in config
2. Use buffer pools for frequent operations
3. Monitor with `performance.memory`
## Examples
See the [examples directory](./examples) for:
- WebSocket chat application
- SSE real-time dashboard
- HTTP streaming analyzer
- Multi-agent swarm coordination
## Documentation
- [Performance Guide](../WASM_PERFORMANCE_GUIDE.md)
- [Integration Guide](../integrations/README.md)
- [API Documentation](./docs/API.md)
## License
MIT