From: Chris Duncan <chris@zoso.dev>
Date: Sun, 5 Jan 2025 08:43:12 +0000 (-0800)
Subject: Revert nonce and found swap.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=a49f46d1ed61792b6b063a740f1cd65fba4549de;p=libnemo.git

Revert nonce and found swap.
---

diff --git a/src/lib/workers/powgpu.ts b/src/lib/workers/powgpu.ts
index 920e090..431f1eb 100644
--- a/src/lib/workers/powgpu.ts
+++ b/src/lib/workers/powgpu.ts
@@ -53,8 +53,8 @@ export class PowGpu extends WorkerInterface {
 		@group(0) @binding(0) var<uniform> ubo: UBO;
 
 		struct WORK {
-			found: atomic<u32>,
-			nonce: vec2<u32>
+			nonce: vec2<u32>,
+			found: atomic<u32>
 		};
 		@group(0) @binding(1) var<storage, read_write> work: WORK;
 
@@ -220,10 +220,6 @@ export class PowGpu extends WorkerInterface {
 				work.nonce.y = m[1];
 				return;
 			}
-
-			/**
-			* Nonce not found in this execution context
-			*/
 			return;
 		}
 	`;
@@ -326,7 +322,7 @@ export class PowGpu extends WorkerInterface {
 		PowGpu.#device.queue.writeBuffer(PowGpu.#uboBuffer, 0, uboView)
 
 		// Reset `found` flag to 0u in WORK before each calculation
-		PowGpu.#device.queue.writeBuffer(PowGpu.#gpuBuffer, 0, new Uint32Array([0]))
+		PowGpu.#device.queue.writeBuffer(PowGpu.#gpuBuffer, 8, new Uint32Array([0]))
 
 		// Bind UBO read and GPU write buffers
 		const bindGroup = PowGpu.#device.createBindGroup({
@@ -373,8 +369,8 @@ export class PowGpu extends WorkerInterface {
 		await PowGpu.#cpuBuffer.mapAsync(GPUMapMode.READ)
 		await PowGpu.#device.queue.onSubmittedWorkDone()
 		const data = new DataView(PowGpu.#cpuBuffer.getMappedRange())
-		const found = !!data.getUint32(0)
-		const nonce = data.getBigUint64(8, true)
+		const nonce = data.getBigUint64(0, true)
+		const found = !!data.getUint32(8)
 		PowGpu.#cpuBuffer.unmap()
 
 		if (found) {