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gpu-blake3.mjs

@@ -4,6 +4,7 @@
 // getBlock to re-derive each streamed weight block's κ on the GPU (Law L5) — no CPU hash on the hot path.
 // Lazy: the device + pipelines are created once on first use; gpuBlake3Hex throws if WebGPU is absent so the
 // caller can fall back to the CPU verifier.
+import { getDevice } from "./holo-gpu-device.mjs";   // the ONE shared device (max limits) — never a second one
 
 const WGSL = `
 @group(0) @binding(0) var<storage, read> inp : array<u32>;
@@ -60,9 +61,7 @@ async function ensure() {
   if (_dev) return true;
   if (_initP) return _initP;
   _initP = (async () => {
-    if (typeof navigator === "undefined" || !navigator.gpu) throw new Error("no WebGPU");
-    const ad = await navigator.gpu.requestAdapter();
-    _dev = await ad.requestDevice();
+    _dev = (await getDevice()).dev;                  // SHARE the engine's device (max limits) — no second device
     const mod = _dev.createShaderModule({ code: WGSL });
     const ci = await mod.getCompilationInfo();
     const er = ci.messages.filter((m) => m.type === "error");