From: Chris Duncan <chris@zoso.dev>
Date: Sun, 5 Jan 2025 07:10:13 +0000 (-0800)
Subject: Remove extraneous commenting. Move XOR to start of for loop.  Whitespace.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=212eb807397eec148614ea734bbd10bf5134dff4;p=libnemo.git

Remove extraneous commenting. Move XOR to start of for loop.  Whitespace.
---

diff --git a/src/lib/workers/powgpu.ts b/src/lib/workers/powgpu.ts
index e9e5901..7c5b826 100644
--- a/src/lib/workers/powgpu.ts
+++ b/src/lib/workers/powgpu.ts
@@ -150,9 +150,7 @@ export class PowGpu extends WorkerInterface {
 			@builtin(workgroup_id) workgroup_id: vec3<u32>,
 			@builtin(local_invocation_id) local_id: vec3<u32>
 		) {
-			if (atomicLoad(&work.found) != 0u) {
-				return;
-			}
+			if (atomicLoad(&work.found) != 0u) { return; }
 
 			/**
 			* Flatten 3D workgroup and local identifiers into u32 for each thread
@@ -199,9 +197,10 @@ export class PowGpu extends WorkerInterface {
 				0x04BE4294u, 0xE07C2654u, 0x137E2179u, 0x5BE0CD19u
 			);
 
-			for (var i: u32 = 0u; i < 0xFFFFu; i = i + 1u) {
+			for (var i: u32 = 0u; i < 0xFFu; i = i << 1u) {
+				m[0u] = m[0u] ^ i;
 				/**
-				* Twelve rounds of mixing as part of compression step
+				* Twelve rounds of mixing as part of BLAKE2b compression step
 				*/
 				for (var r: u32 = 0u; r < 12u; r = r + 1u) {
 					G(&v, &m, 0u, 8u, 16u, 24u, SIGMA82[r * 16u + 0u], SIGMA82[r * 16u + 1u]);
@@ -223,17 +222,10 @@ export class PowGpu extends WorkerInterface {
 					work.nonce.y = m[1];
 					return;
 				}
-
-				/**
-				* If not found, move on to the next nonce candidate.
-				* For example, increment by the total number of *active* threads,
-				* or simply increment by 1.
-				*/
-				m[0u] = m[0u] + 1u;
 			}
-
-			// No valid nonce found by this thread in 'maxIterations' attempts
-			// Exit. Another dispatch or CPU fallback might handle continuing.
+			/**
+			* Nonce not found in this execution context
+			*/
 			return;
 		}
 	`;