Initial commit

hipmallocmanaged_hostaccess.cpp

@@ -0,0 +1,27 @@
+#include <iostream>
+#include <hip/hip_runtime.h>
+
+#define HIP(e) \
+if (hipError_t err = (e); err != hipSuccess) { \
+	std::cerr << __FILE__ << ":" << __LINE__ << " " << err << "\n"; \
+	exit(1); \
+}
+
+int main(void) {
+
+	size_t n = 1024 * 1024;
+	double *p;
+
+	HIP(hipMallocManaged(&p, sizeof(double) * n, hipMemAttachGlobal));
+	HIP(hipDeviceSynchronize());
+	
+	for (size_t i = 0; i < n; ++i) {
+		p[i] = i;
+	}
+	
+	HIP(hipDeviceSynchronize());
+
+	return 0;
+}
+
+