Increase HBM2 memory size to 2 GiB

ext/dramsys/SConscript

@@ -64,7 +64,7 @@ subprocess.run(
         "-DCMAKE_BUILD_TYPE=Release",
         f"-DSCONS_SOURCE_DIR:STRING={scons_root}",
         "-DDRAMSYS_BUILD_CLI=OFF",
-        "-DDRAMSYS_SHARED_PIM_UNITS=ON"
+        "-DDRAMSYS_SHARED_PIM_UNITS=OFF"
     ],
     check=True
 )

src/python/gem5/components/memory/dramsys.py

@@ -187,6 +187,6 @@ class DRAMSysHBM2(DRAMSysMem):
             configuration=(
                 DEFAULT_DRAMSYS_DIRECTORY / "configs/hbm2-example.json"
             ).as_posix(),
-            size="1GiB",
+            size="2GB",
             recordable=recordable,
         )