From da6efb3538ae0912473b564b7f4e63ce1aadd30c Mon Sep 17 00:00:00 2001
From: Zimmerma <thomas.zimmermann@iese.fraunhofer.de>
Date: Fri, 26 Sep 2025 08:56:37 +0200
Subject: [PATCH] Fix memorySizeBytes calculation in HBM3

---
 .../HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp          | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp b/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp
index 24c0c8b2..8f14b1cb 100644
--- a/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp
+++ b/extensions/standards/HBM3/DRAMSys/configuration/memspec/MemSpecHBM3.cpp
@@ -80,7 +80,7 @@ MemSpecHBM3::MemSpecHBM3(const DRAMUtils::MemSpec::MemSpecHBM3& memSpec) :
     uint64_t deviceSizeBits =
         static_cast<uint64_t>(banksPerRank) * rowsPerBank * columnsPerRow * bitWidth;
     uint64_t deviceSizeBytes = deviceSizeBits / 8;
-    memorySizeBytes = deviceSizeBytes * ranksPerChannel * numberOfChannels;
+    memorySizeBytes = deviceSizeBytes * ranksPerChannel * stacksPerChannel * numberOfChannels;
 
     std::cout << headline << std::endl;
     std::cout << "Memory Configuration:" << std::endl << std::endl;