From 3006cea8da0ba2a6c4b2ffb6cd6ed0b0d538ff74 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Mon, 3 Mar 2025 08:04:59 -0800
Subject: [PATCH] Fix missing compression step when resetting v. Start adding
 some logging for benchmarking.

---
 src/classes/cpu.ts | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/classes/cpu.ts b/src/classes/cpu.ts
index 44fea21..55e6d24 100644
--- a/src/classes/cpu.ts
+++ b/src/classes/cpu.ts
@@ -103,7 +103,6 @@ export class NanoPowCpu {
 		v[c] += v[d]
 		v[b] ^= v[c]
 		v[b] = (v[b] >> 24n) | (v[b] << 40n)
-
 		v[a] += v[b]
 		v[a] += m[y]
 		v[d] ^= v[a]
@@ -124,6 +123,7 @@ export class NanoPowCpu {
 		}
 		this.#v[0] ^= 0x01010008n // depth = 1; fanout = 1; outlen = 8
 		this.#v[12] ^= 40n // Output length
+		this.#v[14] = ~this.#v[14] // Compression
 
 		// Set up input buffers
 		this.#mView.setBigUint64(0, seed, true)
@@ -171,19 +171,19 @@ export class NanoPowCpu {
 			: BigInt(`0x${options.threshold}00000000`)
 		this.#debug = !!(options?.debug)
 
-		// let attempts = 0n
+		let attempts = 0n
 		let result = 0n
 		let nonce = 0n
-		// let start = performance.now()
+		let start = performance.now()
 		do {
-			// attempts++
+			attempts++
 			const random0 = Math.floor(Math.random() * 0xffffffff)
 			const random1 = Math.floor(Math.random() * 0xffffffff)
 			nonce = (BigInt(random0) << 32n) | BigInt(random1)
-			// if (this.#debug) console.log(`seed: ${seed.toString(16).padStart(16, '0')}`)
 			result = this.#hash(nonce, hash)
-			// if (this.#debug) console.log(performance.now() - start)
+			if (attempts % 1000000n === 0n) console.log(`${attempts} attempts`)
 		} while (result < threshold)
+		console.log(performance.now() - start)
 		this.#busy = false
 		return result.toString(16).padStart(16, '0')
 	}
-- 
2.34.1