Heterogeneous System Architecture

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  1. What is the difference between between homogenous and heterogenous system architecture?
  2. Where are heterogenous system architecture applied?
  3. Why is coherence and consistency between FPGA cache, GPU and CPU in heterogeneous architecture beneficial? 
  4. What are the advantages and disadvantages of NUMA structure?
  5. Analyze the differences between distributed memory versus local memory (NUMA, NoC etc) in context of GPUs