From 4932038e5d2c15b5fa6ea1fd44fcead1757f2433 Mon Sep 17 00:00:00 2001
From: ilian zapryanov <heatblazer@gmail.com>
Date: Wed, 6 May 2026 21:57:13 +0300
Subject: [PATCH] Refactor isPowerOfTwo function implementation

Optimized isPowerOfTwo function for better performance.
---
 SystemConfiguration.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/SystemConfiguration.h b/SystemConfiguration.h
index d1a8cdd..576ef64 100644
--- a/SystemConfiguration.h
+++ b/SystemConfiguration.h
@@ -203,7 +203,8 @@ unsigned inline dramsim_log2(unsigned value)
 }
 inline bool isPowerOfTwo(unsigned long x)
 {
-	return (1UL<<dramsim_log2(x)) == x;
+	return (x &&  !(x & (x - 1))); //shall be faster needs test
+//	return (1UL<<dramsim_log2(x)) == x;
 }