As we known , HDL is more efficient than opencl ,but HDL needs more time than opencl for developping.Maybe we need use both HDL and opencl in one project on one chip FPGA .Both HDL and opencl are responsible for different functions,but I don't whether it is feasible . Can you give me some suggestions?
--- Quote Start --- As we known , HDL is more efficient than opencl ,but HDL needs more time than opencl for developping. --- Quote End --- This is not necessarily true; it largely depends on how the HDL code and the OpenCL code are written and optimized. Anyway, mixing HDL with OpenCL is certainly possible, read "intel fpga sdk for opencl, section 2.1 - opencl library" (https://www.altera.com/en_us/pdfs/literature/hb/opencl-sdk/aocl_programming_guide.pdf).