From: Chris Duncan <chris@zoso.dev>
Date: Sun, 5 Jan 2025 11:27:39 +0000 (-0800)
Subject: Reintroduce workload variable to allow hardware to control workgroup size, considered... 
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=2472f09e1126fdb638d678aa359e9e6d08704d33;p=libnemo.git

Reintroduce workload variable to allow hardware to control workgroup size, considered most important control in that regard.
---

diff --git a/src/lib/workers/powgpu.ts b/src/lib/workers/powgpu.ts
index 61e8543..e3a8518 100644
--- a/src/lib/workers/powgpu.ts
+++ b/src/lib/workers/powgpu.ts
@@ -43,6 +43,8 @@ export class PowGpu extends WorkerInterface {
 		})
 	}
 
+	static workload = 256
+
 	// WebGPU Compute Shader
 	static #shader = `
 		struct UBO {
@@ -145,7 +147,7 @@ export class PowGpu extends WorkerInterface {
 		* 8-byte work is split into two 4-byte u32. Low 4 bytes are random u32 from
 		* UBO. High 4 bytes are the random value XOR'd with index of each thread.
 		*/
-		@compute @workgroup_size(256)
+		@compute @workgroup_size(${this.workload})
 		fn main(
 			@builtin(workgroup_id) workgroup_id: vec3<u32>,
 			@builtin(local_invocation_id) local_id: vec3<u32>