Index: Bitcode/simd_ops/halide_buffer.h
===================================================================
--- Bitcode/simd_ops/halide_buffer.h
+++ Bitcode/simd_ops/halide_buffer.h
@@ -1,6 +1,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <time.h>
+#if !defined(__APPLE__)
+#include <malloc.h>
+#endif
 #ifndef HALIDE_ATTRIBUTE_ALIGN
   #ifdef _MSC_VER
     #define HALIDE_ATTRIBUTE_ALIGN(x) __declspec(align(x))
Index: Bitcode/simd_ops/simd_ops.cpp
===================================================================
--- Bitcode/simd_ops/simd_ops.cpp
+++ Bitcode/simd_ops/simd_ops.cpp
@@ -12,7 +12,12 @@
 
 template<typename T>
 buffer_t make_buffer(int w, int h) {
-    T *mem = new T[w*h];
+#if defined(__APPLE__)
+    T *mem;
+    int err = posix_memalign((void **)&mem, 128, w*h*sizeof(T));
+#else
+    T *mem = (T *)memalign(128, w*h*sizeof(T));
+#endif
     buffer_t buf = {0};
     buf.host = (uint8_t *)mem;
     buf.extent[0] = w;