diff --git a/examples_ptx/radixSort/radixSort.cpp b/examples_ptx/radixSort/radixSort.cpp
index e024cabc..d6a21c79 100644
--- a/examples_ptx/radixSort/radixSort.cpp
+++ b/examples_ptx/radixSort/radixSort.cpp
@@ -41,7 +41,7 @@ int main (int argc, char *argv[])
 
 #pragma omp parallel for
   for (int i = 0; i < n; i++)
-    keys[i] = drand48() * (1<<30);
+    keys[i] = 10*i; //drand48() * (1<<30);
 
   std::random_shuffle(keys, keys + n);
 
diff --git a/examples_ptx/radixSort/radixSort.ispc b/examples_ptx/radixSort/radixSort.ispc
index 2e376143..5d092ac8 100644
--- a/examples_ptx/radixSort/radixSort.ispc
+++ b/examples_ptx/radixSort/radixSort.ispc
@@ -60,7 +60,11 @@ void sortPass(
   const uniform int  blockDim = (numElements + numBlocks - 1) / numBlocks;
 
 
+#if 0
   uniform int * uniform localCounts = sharedCounts + blockIdx*NUMDIGITS;
+#else
+  uniform int localCounts[NUMDIGITS];
+#endif
 
   const uniform int keyIndex = blockIdx * blockDim;
   uniform int * uniform keys = keysAll + keyIndex;
@@ -92,7 +96,7 @@ void sortPass(
     }
     else
     {
-#ifdef __NVPTX__
+#if 1 //def __NVPTX__
       rel = atomic_add_global(&localCounts[key],1);
 #else
       rel = atomic_add_local(&localCounts[key],1);