diff --git a/examples_ptx/radixSort/Makefile_cpu b/examples_ptx/radixSort/Makefile_cpu
new file mode 100644
index 00000000..a70ba750
--- /dev/null
+++ b/examples_ptx/radixSort/Makefile_cpu
@@ -0,0 +1,9 @@
+
+EXAMPLE=sort
+CPP_SRC=sort.cpp sort_serial.cpp
+ISPC_SRC=sort.ispc
+ISPC_IA_TARGETS=avx1-i32x8
+ISPC_ARM_TARGETS=neon
+#ISPC_FLAGS=-DDEBUG
+
+include ../common.mk
diff --git a/examples_ptx/radixSort/Makefile_gpu b/examples_ptx/radixSort/Makefile_gpu
new file mode 100644
index 00000000..97a51f26
--- /dev/null
+++ b/examples_ptx/radixSort/Makefile_gpu
@@ -0,0 +1,13 @@
+PROG=sort
+ISPC_SRC=sort.ispc
+CU_SRC=sort.cu
+CXX_SRC=sort.cpp  sort_serial.cpp
+PTXCC_REGMAX=32
+
+LLVM_GPU=1
+NVVM_GPU=1
+
+include ../common_gpu.mk
+
+
+