Aligning columns to the next 64 multiplication

dendibakh · Jan 15, 2025 · 75d967c · 75d967c
1 parent a9a140e
commit 75d967c
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/labs/memory_bound/mem_alignment_1/solution.cpp b/labs/memory_bound/mem_alignment_1/solution.cpp
@@ -8,8 +8,9 @@
 // This function allows you to change the number of columns in a matrix. 
 // In other words, it defines how many elements are in each row.
 // hint: you need to allocate dummy columns to achieve proper data alignment.
-int n_columns(int N) {  
-  return N;
+int n_columns(int N) { 
+  constexpr int base = 64;
+  return (N/base+1)*base;
 }
 // ******************************************