From 779167bbc51c04ed8cd897747c7dba9e403231d9 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Thu, 9 Jan 2025 11:35:20 -0800
Subject: [PATCH] Substitute if statements in original G mix function just to
 see additional benchmark changes.

---
 src/lib/nano-pow/shaders/gpu-compute.ts | 24 ++++++------------------
 1 file changed, 6 insertions(+), 18 deletions(-)

diff --git a/src/lib/nano-pow/shaders/gpu-compute.ts b/src/lib/nano-pow/shaders/gpu-compute.ts
index a347f86..a140b33 100644
--- a/src/lib/nano-pow/shaders/gpu-compute.ts
+++ b/src/lib/nano-pow/shaders/gpu-compute.ts
@@ -37,18 +37,14 @@ fn G (
 	// a = a + b
 	o0 = *va0 + *vb0;
 	o1 = *va1 + *vb1;
-	if (*va0 > 0xFFFFFFFFu - *vb0) {
-		o1 = o1 + 1u;
-	}
+	o1 = o1 + select(0u, 1u, o0 < *va0);
 	*va0 = o0;
 	*va1 = o1;
 
 	// a = a + m[sigma[r][2*i+0]]
 	o0 = *va0 + mx0;
 	o1 = *va1 + mx1;
-	if (*va0 > 0xFFFFFFFFu - mx0) {
-		o1 = o1 + 1u;
-	}
+	o1 = o1 + select(0u, 1u, o0 < *va0);
 	*va0 = o0;
 	*va1 = o1;
 
@@ -61,9 +57,7 @@ fn G (
 	// c = c + d
 	o0 = *vc0 + *vd0;
 	o1 = *vc1 + *vd1;
-	if (*vc0 > 0xFFFFFFFFu - *vd0) {
-		o1 = o1 + 1u;
-	}
+	o1 = o1 + select(0u, 1u, o0 < *vc0);
 	*vc0 = o0;
 	*vc1 = o1;
 
@@ -76,18 +70,14 @@ fn G (
 	// a = a + b
 	o0 = *va0 + *vb0;
 	o1 = *va1 + *vb1;
-	if (*va0 > 0xFFFFFFFFu - *vb0) {
-		o1 = o1 + 1u;
-	}
+	o1 = o1 + select(0u, 1u, o0 < *va0);
 	*va0 = o0;
 	*va1 = o1;
 
 	// a = a + m[sigma[r][2*i+1]]
 	o0 = *va0 + my0;
 	o1 = *va1 + my1;
-	if (*va0 > 0xFFFFFFFFu - my0) {
-		o1 = o1 + 1u;
-	}
+	o1 = o1 + select(0u, 1u, o0 < *va0);
 	*va0 = o0;
 	*va1 = o1;
 
@@ -100,9 +90,7 @@ fn G (
 	// c = c + d
 	o0 = *vc0 + *vd0;
 	o1 = *vc1 + *vd1;
-	if (*vc0 > 0xFFFFFFFFu - *vd0) {
-		o1 = o1 + 1u;
-	}
+	o1 = o1 + select(0u, 1u, o0 < *vc0);
 	*vc0 = o0;
 	*vc1 = o1;
 
-- 
2.34.1