From 6eb2d29ddc2f45c7f702926d2f43a336e6f45e03 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Thu, 9 Jan 2025 05:56:39 -0800
Subject: [PATCH] Upload new bundle for testing.

---
 global.min.js | 121 ++++++++++++++++++++++++--------------------------
 1 file changed, 58 insertions(+), 63 deletions(-)

diff --git a/global.min.js b/global.min.js
index 9bc1313..deddcd5 100644
--- a/global.min.js
+++ b/global.min.js
@@ -12001,14 +12001,7 @@ var init_gpu = __esm({
           if (!(device instanceof GPUDevice)) {
             throw new Error("WebGPU device failed to load.");
           }
-          device.lost.then((loss) => {
-            console.dir(loss);
-            console.warn(`Device lost. Reinitializing...`);
-            this.#cpuBuffer?.destroy();
-            this.#gpuBuffer?.destroy();
-            this.#uboBuffer?.destroy();
-            this.init();
-          });
+          device.lost.then(this.reset);
           this.#device = device;
           this.setup();
         } catch (err) {
@@ -12061,6 +12054,15 @@ var init_gpu = __esm({
           }
         });
       }
+      static reset(loss) {
+        console.dir(loss);
+        console.warn(`Device lost. Reinitializing...`);
+        this.#cpuBuffer?.destroy();
+        this.#gpuBuffer?.destroy();
+        this.#uboBuffer?.destroy();
+        this.#busy = false;
+        this.init();
+      }
       /**
       * Finds a nonce that satisfies the Nano proof-of-work requirements.
       *
@@ -12087,65 +12089,58 @@ var init_gpu = __esm({
         }
         if (this.#device == null) throw new Error(`WebGPU device failed to load.`);
         let nonce = 0n;
-        let found = false;
-        try {
-          do {
-            const uboView = new DataView(new ArrayBuffer(48));
-            for (let i = 0; i < 64; i += 8) {
-              const uint32 = hash2.slice(i, i + 8);
-              uboView.setUint32(i / 2, parseInt(uint32, 16));
-            }
-            const random = Math.floor(Math.random() * 4294967295);
-            uboView.setUint32(32, random, true);
-            uboView.setUint32(36, threshold, true);
-            this.#device.queue.writeBuffer(this.#uboBuffer, 0, uboView);
-            this.#device.queue.writeBuffer(this.#gpuBuffer, 8, new Uint32Array([0]));
-            const bindGroup = this.#device.createBindGroup({
-              layout: this.#bindGroupLayout,
-              entries: [
-                {
-                  binding: 0,
-                  resource: {
-                    buffer: this.#uboBuffer
-                  }
-                },
-                {
-                  binding: 1,
-                  resource: {
-                    buffer: this.#gpuBuffer
-                  }
+        do {
+          const uboView = new DataView(new ArrayBuffer(48));
+          for (let i = 0; i < 64; i += 8) {
+            const uint32 = hash2.slice(i, i + 8);
+            uboView.setUint32(i / 2, parseInt(uint32, 16));
+          }
+          const random = Math.floor(Math.random() * 4294967295);
+          uboView.setUint32(32, random, true);
+          uboView.setUint32(36, threshold, true);
+          this.#device.queue.writeBuffer(this.#uboBuffer, 0, uboView);
+          this.#device.queue.writeBuffer(this.#gpuBuffer, 8, new Uint32Array([0]));
+          const bindGroup = this.#device.createBindGroup({
+            layout: this.#bindGroupLayout,
+            entries: [
+              {
+                binding: 0,
+                resource: {
+                  buffer: this.#uboBuffer
                 }
-              ]
-            });
-            const commandEncoder = this.#device.createCommandEncoder();
-            const passEncoder = commandEncoder.beginComputePass();
-            passEncoder.setPipeline(this.#pipeline);
-            passEncoder.setBindGroup(0, bindGroup);
-            passEncoder.dispatchWorkgroups(256, 256, 256);
-            passEncoder.end();
-            commandEncoder.copyBufferToBuffer(
-              this.#gpuBuffer,
-              0,
-              this.#cpuBuffer,
-              0,
-              12
-            );
-            this.#device.queue.submit([commandEncoder.finish()]);
+              },
+              {
+                binding: 1,
+                resource: {
+                  buffer: this.#gpuBuffer
+                }
+              }
+            ]
+          });
+          const commandEncoder = this.#device.createCommandEncoder();
+          const passEncoder = commandEncoder.beginComputePass();
+          passEncoder.setPipeline(this.#pipeline);
+          passEncoder.setBindGroup(0, bindGroup);
+          passEncoder.dispatchWorkgroups(256, 256, 256);
+          passEncoder.end();
+          commandEncoder.copyBufferToBuffer(this.#gpuBuffer, 0, this.#cpuBuffer, 0, 12);
+          this.#device.queue.submit([commandEncoder.finish()]);
+          let data = null;
+          try {
             await this.#cpuBuffer.mapAsync(GPUMapMode.READ);
             await this.#device.queue.onSubmittedWorkDone();
-            const dataBuffer = this.#cpuBuffer.getMappedRange().slice(0);
+            data = new DataView(this.#cpuBuffer.getMappedRange().slice(0));
+          } catch (err) {
+            console.warn(`Error getting data from GPU. ${err}`);
+            this.reset();
+          } finally {
             this.#cpuBuffer.unmap();
-            if (dataBuffer == null) throw new Error(`Failed to get data from buffer.`);
-            const dataView = new DataView(dataBuffer);
-            nonce = dataView.getBigUint64(0, true);
-            found = !!dataView.getUint32(8);
-          } while (!found);
-        } catch (err) {
-          console.warn(`Error getting data from GPU. ${err}`);
-        } finally {
-          this.#busy = false;
-          return nonce.toString(16).padStart(16, "0");
-        }
+          }
+          if (data == null) throw new Error(`Failed to get data from buffer.`);
+          nonce = data.getBigUint64(0, true);
+          this.#busy = !data.getUint32(8);
+        } while (this.#busy);
+        return nonce.toString(16).padStart(16, "0");
       }
     };
   }
-- 
2.34.1