From: Chris Duncan <chris@zoso.dev>
Date: Wed, 8 Jan 2025 20:20:58 +0000 (-0800)
Subject: Expand documentation of implementation details.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=b2898081b8279e0906739b02938b9a42da56027d;p=libnemo.git

Expand documentation of implementation details.
---

diff --git a/src/lib/nano-pow/shaders/gpu-compute.ts b/src/lib/nano-pow/shaders/gpu-compute.ts
index 0fcf82e..ffe8183 100644
--- a/src/lib/nano-pow/shaders/gpu-compute.ts
+++ b/src/lib/nano-pow/shaders/gpu-compute.ts
@@ -194,7 +194,10 @@ fn main(
 	var v31: u32 = 0x5BE0CD19u;
 
 	/**
-	* Twelve rounds of G mixing as part of BLAKE2b compression step
+	* Twelve rounds of G mixing as part of BLAKE2b compression step.
+	* Each sigma r index correlates with the reference implementation, but each
+	* sigma i index, and each v index, is doubled due to using two u32 array
+	* elements to represent one uint64_t.
 	*/
 	var o0: u32;
 	var o1: u32;