Generator works with no seed

Makefile

+.PHONY: help
+
+help::
+	$(ECHO) "Makefile Usage:"
+	$(ECHO) "  make all TARGET=<sw_emu/hw_emu/hw> DEVICE=<FPGA platform> VER=<host_cpp/host_c>"
+	$(ECHO) "      Command to pick the specific files and generates the design for specified Target and Device."
+	$(ECHO) ""
+	$(ECHO) "  make clean "
+	$(ECHO) "      Command to remove the generated non-hardware files."
+	$(ECHO) ""
+	$(ECHO) "  make cleanall"
+	$(ECHO) "      Command to remove all the generated files."
+	$(ECHO) ""
+	$(ECHO) "  make check TARGET=<sw_emu/hw_emu/hw> DEVICE=<FPGA platform>"
+	$(ECHO) "      Command to run application in emulation."
+	$(ECHO) ""
+
+TARGETS := hw
+TARGET := $(TARGETS)
+DEVICE := $(DEVICES)
+XCLBIN := ./xclbin
+KERNEL_NAME := rndgen
+VER ?= host_cpp
+
+DSA := $(call device2sandsa, $(DEVICE))
+BUILD_DIR := ./_x.$(TARGET)
+
+BUILD_DIR_rndgen = $(BUILD_DIR)/$(KERNEL_NAME)
+
+# The C++ Compiler to use: g++
+CXX := g++
+
+# The kernel Compiler to use : V++
+VPP := $(XILINX_VITIS)/bin/v++
+
+# The below are compile flags are passed to the C++ Compiler
+opencl_CXXFLAGS += -g -I./ -I$(XILINX_XRT)/include -I$(XILINX_VIVADO)/include -Wall -O0 -g -std=c++11
+# The below are linking flags for C++ Comnpiler
+opencl_LDFLAGS += -L$(XILINX_XRT)/lib -lOpenCL -lpthread
+
+CXXFLAGS += $(opencl_CXXFLAGS)
+LDFLAGS += $(opencl_LDFLAGS)
+
+# Host CPP FILE
+HOST_C_SRCS += src/host.c
+# Host Header FILE
+HOST_C_HDRS += src/host.h
+#Host CPP FILE
+HOST_CPP_SRCS += src/host.cpp
+# Host Header FILE
+HOST_CPP_HDRS += src/host.hpp
+
+
+# Enable Profiling
+REPORT := no
+PROFILE:= yes
+
+
+#timeline_trace is always enabled
+
+
+
+# Host compiler global settings
+CXXFLAGS += -fmessage-length=0
+LDFLAGS += -lrt -lstdc++
+
+# Kernel compiler global settings
+CLFLAGS += -t $(TARGET) --config design.cfg --save-temps
+
+
+EXECUTABLE = host
+EMCONFIG_DIR = $(XCLBIN)
+
+
+BINARY_CONTAINERS += $(XCLBIN)/$(KERNEL_NAME).$(TARGET).xclbin
+BINARY_CONTAINER_rndgen_OBJS += $(XCLBIN)/$(KERNEL_NAME).$(TARGET).xo
+
+CP = cp -rf
+
+host_change: $(VER)
+
+.PHONY: all clean cleanall docs emconfig
+all: check-devices $(host_change) $(EXECUTABLE) $(BINARY_CONTAINERS) emconfig Makefile
+
+.PHONY: exe
+exe: $(EXECUTABLE)
+
+# Building kernel
+$(XCLBIN)/$(KERNEL_NAME).$(TARGET).xo: src/rndgen.cpp
+	mkdir -p $(XCLBIN)
+	$(VPP) $(CLFLAGS) --temp_dir $(BUILD_DIR_rndgen) -c -k $(KERNEL_NAME) -I'$(<D)' -o'$@' '$<'
+$(XCLBIN)/$(KERNEL_NAME).$(TARGET).xclbin: $(BINARY_CONTAINER_rndgen_OBJS)
+	mkdir -p $(XCLBIN)
+	$(VPP) $(CLFLAGS) --temp_dir $(BUILD_DIR_rndgen) -l $(LDCLFLAGS) -o'$@' $(+)
+
+ifeq ($(VER),host_cpp)
+# Building Host
+$(EXECUTABLE): $(HOST_CPP_SRCS) $(HOST_CPP_HDRS)
+	mkdir -p $(XCLBIN)
+	$(CXX) $(CXXFLAGS) $(HOST_CPP_SRCS) $(HOST_CPP_HDRS) -o '$@' $(LDFLAGS)
+else
+$(EXECUTABLE): $(HOST_C_SRCS) $(HOST_C_HDRS)
+	mkdir -p $(XCLBIN)
+	$(CXX) $(CXXFLAGS) $(HOST_C_SRCS) $(HOST_C_HDRS) -o '$@' $(LDFLAGS)
+endif
+
+emconfig:$(EMCONFIG_DIR)/emconfig.json
+$(EMCONFIG_DIR)/emconfig.json:
+	emconfigutil --platform $(DEVICE) --od $(EMCONFIG_DIR)
+
+check: all
+ifeq ($(VER),host_cpp)
+ifeq ($(TARGET),$(filter $(TARGET),sw_emu hw_emu))
+	$(CP) $(EMCONFIG_DIR)/emconfig.json .
+	XCL_EMULATION_MODE=$(TARGET) ./$(EXECUTABLE) $(XCLBIN)/$(KERNEL_NAME).$(TARGET).xclbin
+#$(DEVICE)
+else
+	 ./$(EXECUTABLE) $(XCLBIN)/$(KERNEL_NAME).$(TARGET).xclbin
+#$(DEVICE)
+endif
+else
+ifeq ($(TARGET),$(filter $(TARGET),sw_emu hw_emu))
+	$(CP) $(EMCONFIG_DIR)/emconfig.json .
+	XCL_EMULATION_MODE=$(TARGET) ./$(EXECUTABLE) $(XCLBIN)/$(KERNEL_NAME).$(TARGET).xclbin $(DEVICE)
+else
+	 ./$(EXECUTABLE) $(XCLBIN)/$(KERNEL_NAME).$(TARGET).xclbin $(DEVICE)
+endif
+endif
+
+
+
+# Cleaning stuff
+RMDIR = rm -rf
+
+clean:
+	-$(RMDIR) $(EXECUTABLE) $(XCLBIN)/{*sw_emu*,*hw_emu*}
+	-$(RMDIR) TempConfig system_estimate.xtxt *.rpt
+	-$(RMDIR) *.protoinst _v++_* .Xil emconfig.json dltmp* xmltmp* *.log *.jou
+
+cleanall: clean
+	-$(RMDIR) $(XCLBIN)
+	-$(RMDIR) _x.*
+
+
+check-devices:
+ifndef DEVICE
+	$(error DEVICE not set. Please set the DEVICE properly and rerun. Run "make help" for more details.)
+endif
+
+check_xrt:
+ifndef XILINX_XRT
+	$(error XILINX_XRT variable is not set, please set correctly and rerun)
+endif
+
+
+ECHO := @echo
+
+#'estimate' for estimate report generation
+#'system' for system report generation
+ifneq ($(REPORT), no)
+CLFLAGS += --report estimate
+CLLDFLAGS += --report system
+endif
+
+#Generates profile summary report
+ifeq ($(PROFILE), yes)
+LDCLFLAGS += --profile_kernel data:all:all:all:all
+LDCFLAGS += --profile_kernel  stall:all:all:all:all
+LDCFALGS += --profile_kernel exec:all:all:all:all
+endif

src/host.cpp

@@ -38,12 +38,12 @@ int main(int argc, char** argv)
     OCL_CHECK(err, cl::Program program(context, devices, bins, NULL, &err));
     OCL_CHECK(err, cl::Kernel krnl_rnd_gen(program,"rndgen", &err));
 
-    OCL_CHECK(err, cl::Buffer buffer_output(context,CL_MEM_USE_HOST_PTR | CL_MEM_WRITE_ONLY, 
-            vector_size_bytes, source_hw_results.data(), &err));
-
     short seed = 12345;
-    OCL_CHECK(err, err = krnl_rnd_gen.setArg(0, seed));
-    OCL_CHECK(err, err = krnl_rnd_gen.setArg(1, buffer_output));
+//    OCL_CHECK(err, cl::Buffer buffer_seed(context,CL_MEM_USE_HOST_PTR | CL_MEM_WRITE_ONLY, sizeof(short), &seed, &err));
+    OCL_CHECK(err, cl::Buffer buffer_output(context,CL_MEM_USE_HOST_PTR | CL_MEM_WRITE_ONLY, vector_size_bytes, source_hw_results.data(), &err));
+
+//    OCL_CHECK(err, err = krnl_rnd_gen.setArg(0, buffer_seed));
+    OCL_CHECK(err, err = krnl_rnd_gen.setArg(0, buffer_output));
 
 	std::cout << "* * * START SIMULATION\n";
     //OCL_CHECK(err, err = q.enqueueMigrateMemObjects({seed}, 0));	
@@ -52,7 +52,7 @@ int main(int argc, char** argv)
     OCL_CHECK(err, err = q.enqueueMigrateMemObjects({buffer_output},CL_MIGRATE_MEM_OBJECT_HOST));
 	std::cout << "* * * MEMORY OFFLOAD\n";
 
-//    q.finish();
+    q.finish();
 	std::cout << "* * * SIMULATION DONE\n";	
 // OPENCL HOST CODE AREA END
 
@@ -61,8 +61,9 @@ int main(int argc, char** argv)
     std::ofstream fout("data.out");
     bool match = true;
     for (int i = 0 ; i < DATA_SIZE ; i++){
-		std::cout << i << ' ';
         fout << source_hw_results[i] << ' ';
+		if (i % 5 == 0)
+			fout << '\n';
     }
 
 	fout.close();

src/rndgen.cpp

@@ -8,40 +8,31 @@
 
 extern "C" {
 void rndgen(
-		const ap_int<REG_SIZE> seed,
+		//const ap_int<REG_SIZE> seed,
 		unsigned int *out
 	)
 {
-//#pragma HLS INTERFACE m_axi port=seed offset=slave bundle=gmem
 #pragma HLS INTERFACE m_axi port=out  offset=slave bundle=gmem
 //#pragma HLS INTERFACE s_axilite port=seed bundle=control
 #pragma HLS INTERFACE s_axilite port=out  bundle=control
 #pragma HLS INTERFACE s_axilite port=return bundle=control
 
 
-	ap_int<REG_SIZE> X, Y;
-	ap_int<REG_SIZE> buf[SET_SIZE];
-
-	initseed: for (int i = 0; i < REG_SIZE; i++)
-		X[i] = seed[i]; //seed & ((ap_int<REG_SIZE>) 1 << i);
+	ap_uint<REG_SIZE> X, Y;
 
+	X = 12345;
+	
 	generator: for (int i = 0; i < SET_SIZE; i++) {
 		
 		for (int j = 1; j < REG_SIZE - 1; j++)
 			Y[j] = F2(X[j - 1], X[j], X[j+1]);
 		
-		Y[0] = F1(X[REG_SIZE], X[0], X[1]);
-		Y[REG_SIZE] = F1(X[REG_SIZE - 1], X[REG_SIZE], X[0]);
+		Y[0] = F1(X[REG_SIZE - 1], X[0], X[1]);
+		Y[REG_SIZE - 1] = F1(X[REG_SIZE - 2], X[REG_SIZE - 1], X[0]);
 
-		buf[i] = Y;
-		result: for (int j = 0; j < REG_SIZE; j++) {
-			//buf[i](j) = Y[j];
-			X[j] = Y[j];
-		}
 		
-		write: for(int j = 0; j < REG_SIZE; j++) {
-			out[i] = buf[j].to_int();
-		}
+		out[i] = Y.to_int();
+		X = Y;
 	}
 }
 }