From e65fc0eb4d08213c265b9f22034ae7a0bf547686 Mon Sep 17 00:00:00 2001
From: "Grant T. Olson" <grant@pikimal.com>
Date: Thu, 22 Aug 2013 12:45:24 -0400
Subject: [PATCH] Even if we're on a platform that supports fast PoW
 calculation, we should use safe PoWs when we're only utilizing a single core

---
 src/proofofwork.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/proofofwork.py b/src/proofofwork.py
index f2c32c06..bc9a19af 100644
--- a/src/proofofwork.py
+++ b/src/proofofwork.py
@@ -52,6 +52,10 @@ def _doFastPoW(target, initialHash):
         maxCores = 99999
     if pool_size > maxCores:
         pool_size = maxCores
+
+    if pool_size == 1: # Don't mess around with multiprocessing on a single core machine
+        return _doSafePoW(target, initialHash)
+
     pool = Pool(processes=pool_size)
     result = []
     for i in range(pool_size):