From: Chris Duncan <chris@zoso.dev>
Date: Fri, 17 Jan 2025 18:38:33 +0000 (-0800)
Subject: Catch if nav.gpu does not exist. Make private method private. Fix rate reporting.
X-Git-Tag: v2.0.0~30
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=0dd41daf622ac3bdd35a659afe97f8c27e2ca45a;p=nano-pow.git

Catch if nav.gpu does not exist. Make private method private. Fix rate reporting.
---

diff --git a/src/classes/gpu.ts b/src/classes/gpu.ts
index bb079ba..d0a699e 100644
--- a/src/classes/gpu.ts
+++ b/src/classes/gpu.ts
@@ -24,8 +24,8 @@ export class NanoPowGpu {
 		if (this.#busy) return
 		this.#busy = true
 		// Request device and adapter
-		if (navigator.gpu == null) throw new Error('WebGPU is not supported in this browser.')
 		try {
+			if (navigator.gpu == null) throw new Error('WebGPU is not supported in this browser.')
 			const adapter = await navigator.gpu.requestAdapter()
 			if (adapter == null) throw new Error('WebGPU adapter refused by browser.')
 			const device = await adapter.requestDevice()
@@ -104,7 +104,7 @@ export class NanoPowGpu {
 		NanoPowGpu.init()
 	}
 
-	static logAverages (times: number[]): void {
+	static #logAverages (times: number[]): void {
 		let count = times.length, sum = 0, reciprocals = 0, logarithms = 0, truncated = 0, min = 0xffff, max = 0, rate = 0
 		times.sort()
 		for (let i = 0; i < count; i++) {
@@ -118,7 +118,7 @@ export class NanoPowGpu {
 		const averages = {
 			"Count (dispatches)": count,
 			"Total (ms)": sum,
-			"Rate (d/s)": count / sum * 1000,
+			"Rate (d/s)": 1000 * count / (truncated || sum),
 			"Minimum (ms)": min,
 			"Maximum (ms)": max,
 			"Arithmetic Mean (ms)": sum / count,
@@ -241,7 +241,7 @@ export class NanoPowGpu {
 			this.#busy = !data.getUint32(8)
 			times.push(performance.now() - start)
 		} while (this.#busy)
-		if (debug) this.logAverages(times)
+		if (debug) this.#logAverages(times)
 		return nonce.toString(16).padStart(16, '0')
 	}