debug: log backend_info() after Flare GPU init for visibility

Author: sauravpanda

examples/benchmark/index.html

@@ -655,6 +655,17 @@ <h2>Comparison Charts</h2>
         // Load into Flare engine
         flareEngine = flareLib.FlareEngine.load(bytes);
 
+        // Try WebGPU acceleration
+        try {
+          const gpuOk = await flareEngine.init_gpu();
+          const info = JSON.parse(flareEngine.backend_info());
+          console.log('[Flare] backend_info:', info);
+          log(`Flare backend: ${JSON.stringify(info)}`, gpuOk ? 'success' : 'info');
+        } catch (e) {
+          console.warn('[Flare] GPU init failed:', e);
+          log('Flare GPU init failed — using CPU SIMD', 'info');
+        }
+
         const loadTime = performance.now() - t0;
         log(`Flare model loaded in ${(loadTime / 1000).toFixed(1)}s (arch: ${flareEngine.architecture})`, 'success');
         return loadTime;

src/engines/flare-engine-wrapper.ts

@@ -59,6 +59,7 @@ interface FlareEngineInstance {
   reset(): void;
   add_stop_sequence(seq: string): void;
   clear_stop_sequences(): void;
+  backend_info(): string;
 }
 
 interface FlareModule {
@@ -310,6 +311,7 @@ export class FlareEngineWrapper {
     if (useGpu) {
       try {
         this.gpuEnabled = await this.engine.init_gpu();
+        console.log('[Flare]', JSON.parse(this.engine.backend_info()));
         if (!this.gpuEnabled) {
           console.info('[Flare] WebGPU unavailable — using CPU SIMD path');
         }