diff --git a/cache_utils/analyse_reorder.py b/cache_utils/analyse_reorder.py
index fd991de..8e3a80b 100644
--- a/cache_utils/analyse_reorder.py
+++ b/cache_utils/analyse_reorder.py
@@ -52,7 +52,7 @@ slices = list(stats["hash"].unique())
 def slice_reorder(df, fst_slice, params=None):
     if params is None:
         params = ["clflush_miss_n", "clflush_remote_hit"]
-    
+
     keys = slices.copy()
     sliced_df = {
         i : df[(df["hash"] == i)] for i in keys
@@ -81,7 +81,7 @@ def slice_reorder(df, fst_slice, params=None):
         total_dist += dist
         new_reorder.append(next)
         keys.remove(next)
-    
+
     print("slice_group")
     print("\n".join([
         str(new_reorder.index(i)) for i in range(len(slices))
@@ -111,8 +111,8 @@ def core_reorder(df, fst_core, params=None, position="both", lcores=None):
 
     if params is None:
         params = ["clflush_miss_n", "clflush_remote_hit"]
-    
-    
+
+
     if lcores is None:
         lcores = cores.copy()
 
diff --git a/cache_utils/generate_cores.py b/cache_utils/generate_cores.py
index e053862..687f9e4 100644
--- a/cache_utils/generate_cores.py
+++ b/cache_utils/generate_cores.py
@@ -45,7 +45,7 @@ for pack in get_elements(machine, "Package"):
         l1 = get_element(l2, "L1Cache")
         l1i = get_element(l1, "L1iCache")
         core_obj = get_element(l1i, "Core")
-        
+
         for PU in get_elements(core_obj, "PU"):
             core.append(int(PU.attrib["os_index"]))
             core_count += 1
diff --git a/cache_utils/remap_cores.py b/cache_utils/remap_cores.py
new file mode 100644
index 0000000..37e323b
--- /dev/null
+++ b/cache_utils/remap_cores.py
@@ -0,0 +1,25 @@
+import sys
+
+if len(sys.argv) != 3:
+    print(f"Usage: {sys.argv[0]} <input.csv> <mapping>")
+    sys.exit(1)
+
+input_file = sys.argv[1]
+mapping_file = sys.argv[2]
+
+mapping = []
+with open(mapping_file, "r") as f:
+    for i in f.read().split("\n"):
+        if i != "":
+            mapping.append(int(i))
+
+
+with open(input_file, "r") as f:
+    for line in f.read().split("\n"):
+        if line == "" or "core" in line:
+            print(line)
+            continue
+
+        sock, core, ht = map(int, line.split(","))
+        core = mapping[core]
+        print(f"{sock},{core},{ht}")