auto annotation test

Author: scchan

auto_annotate/compileme

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+hcc -hc `hcc-config --cxxflags --ldflags ` test_math.cpp -o test_math -lm -Xclang  -fauto-compile-for-accelerator 

auto_annotate/test_math.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+#include <hc.hpp>
+#include <hc_math.hpp>
+
+float compute2(float f)  {
+  return cosf(f);
+}
+
+float compute(float f) [[hc,cpu]] {
+  return cosf(f);
+}
+
+int main(int argc, char* argv[]) {
+
+  float f = 1.0f;
+  if (argc == 2) {
+    f = (float)atof(argv[1]);
+  }
+
+  float cpu = compute(f);
+  float cpu2 = cosf(f);
+
+  hc::array_view<float,1> gpu(1);
+  gpu[0] = f;
+
+  hc::array_view<float,1> gpu2(1);
+  gpu2[0] = f;
+
+  hc::parallel_for_each(gpu.get_extent(), [=] (hc::index<1> i) [[hc]] {
+    gpu[i] = compute(gpu[i]);
+    gpu2[i] = compute2(gpu2[i]);
+  });
+
+  std::cout << "cpu: " << cpu << std::endl;
+  std::cout << "cpu2: " << cpu2 << std::endl;
+  std::cout << "gpu: " << gpu[0] << std::endl;
+  std::cout << "gpu2: " << gpu2[0] << std::endl;
+
+  return 0;
+}