Initial support for clique-based kernels (#276)

* Initial support for clique-based kernels

tools/HelloRccl/Makefile

@@ -0,0 +1,21 @@
+# Copyright (c) 2020 Advanced Micro Devices, Inc. All rights reserved.
+
+# Set to where RCCL is installed
+RCCL_INSTALL=../../build/release
+
+HIP_PATH?= $(wildcard /opt/rocm/hip)
+ifeq (,$(HIP_PATH))
+HIP_PATH=../../..
+endif
+HIPCC=$(HIP_PATH)/bin/hipcc
+
+EXE=HelloRccl
+CXXFLAGS = -std=c++11 -O3 -I../../src/include -I$(RCCL_INSTALL) -L$(RCCL_INSTALL) -lrccl
+
+all: $(EXE)
+
+$(EXE): $(EXE).cpp $(shell find -regex ".*\.\hpp")
+	$(HIPCC) $(CXXFLAGS) $< -o $@
+
+clean:
+	rm -f *.o $(EXE)