Simplify build system

.gitignore

@@ -1,18 +1,19 @@
 
-gpu-stream-cuda
-gpu-stream-ocl
-gpu-stream-acc
-gpu-stream-omp3
-gpu-stream-omp45
-gpu-stream-sycl
+cuda-stream
+ocl-stream
+omp-stream
+acc-stream
+raja-stream
+kokkos-stream
+sycl-stream
+hip-stream
 
 *.o
+*.bc
+*.sycl
 *.tar
 *.gz
 
 .DS_Store
 
-CMakeCache.txt
-CMakeFiles/
-cmake_install.cmake
 Makefile

CUDA.make

@@ -0,0 +1,8 @@
+
+cuda-stream: main.cpp CUDAStream.cu
+	nvcc -std=c++11 -O3 -DCUDA $^ $(EXTRA_FLAGS) -o $@
+
+.PHONY: clean
+clean:
+	rm -f cuda-stream
+

HIP.make

@@ -0,0 +1,18 @@
+
+# TODO: HIP with HCC
+
+HIPCC = hipcc
+
+ifndef CUDA_PATH
+ifeq (,$(wildcard /usr/local/bin/nvcc))
+$(error /usr/local/bin/nvcc not found, set CUDA_PATH instead)
+endif
+endif
+
+hip-stream: main.cpp HIPStream.cu
+	$(HIPCC) $(CXXFLAGS) -std=c++11 -DHIP $^ $(EXTRA_FLAGS) -o $@
+
+.PHONY: clean
+clean:
+	rm -f hip-stream
+

Kokkos.make

@@ -0,0 +1,30 @@
+
+default: kokkos-stream
+
+include $(KOKKOS_PATH)/Makefile.kokkos
+
+ifndef TARGET
+define target_help
+Set TARGET to change to offload device. Defaulting to CPU.
+Available targets are:
+  CPU (default)
+  GPU
+endef
+$(info $(target_help))
+TARGET=CPU
+endif
+
+ifeq ($(TARGET), CPU)
+TARGET_DEF = -DKOKKOS_TARGET_CPU
+else ifeq ($(TARGET), GPU)
+CXX = $(NVCC_WRAPPER)
+TARGET_DEF =
+endif
+
+kokkos-stream: main.cpp KOKKOSStream.cpp $(KOKKOS_CPP_DEPENDS)
+	$(CXX) $(KOKKOS_CPPFLAGS) $(KOKKOS_CXXFLAGS) $(KOKKOS_LDFLAGS) main.cpp KOKKOSStream.cpp $(KOKKOS_LIBS) -o $@ -DKOKKOS $(TARGET_DEF) -O3 $(EXTRA_FLAGS)
+
+.PHONY: clean
+clean:
+	rm -f kokkos-stream
+

OpenACC.make

@@ -0,0 +1,52 @@
+
+ifndef COMPILER
+define compiler_help
+Set COMPILER to ensure correct flags are set.
+Available compilers are:
+  PGI CRAY
+endef
+$(info $(compiler_help))
+endif
+
+COMPILER_ = $(CXX)
+COMPILER_PGI = pgc++
+COMPILER_CRAY = CC
+
+FLAGS_ = -O3 -std=c++11
+
+FLAGS_PGI = -std=c++11 -O3 -acc
+ifeq ($(COMPILER), PGI)
+define target_help
+Set a TARGET to ensure PGI targets the correct offload device.
+Available targets are:
+  SNB, IVB, HSW
+  KEPLER, MAXWELL, PASCAL
+  HAWAII
+endef
+ifndef TARGET
+$(error $(target_help))
+endif
+TARGET_FLAGS_SNB     = -ta=multicore -tp=sandybridge
+TARGET_FLAGS_IVB     = -ta=multicore -tp=ivybridge
+TARGET_FLAGS_HSW     = -ta=multicore -tp=haswell
+TARGET_FLAGS_KEPLER  = -ta=nvidia:cc35
+TARGET_FLAGS_MAXWELL = -ta=nvidia:cc50
+TARGET_FLAGS_PASCAL  = -ta=nvidia:cc60
+TARGET_FLAGS_HAWAII  = -ta=radeon:hawaii
+ifeq ($(TARGET_FLAGS_$(TARGET)),)
+$(error $(target_help))
+endif
+
+FLAGS_PGI += $(TARGET_FLAGS_$(TARGET))
+
+endif
+
+FLAGS_CRAY = -hstd=c++11
+CXXFLAGS = $(FLAGS_$(COMPILER))
+
+acc-stream: main.cpp ACCStream.cpp
+	$(COMPILER_$(COMPILER)) $(CXXFLAGS) -DACC $^ $(EXTRA_FLAGS) -o $@
+
+.PHONY: clean
+clean:
+	rm -f acc-stream main.o ACCStream.o