Complex sentence: Unlike other academic designs which are optimized only for simplicity of exposition, the designers claim that the RISC-V instruction set was designed for practical implementation, with features to increase a computer's speed yet reduce its cost and power use.
Split into simpler sentences: Unlike other academic designs which are optimized only for simplicity of exposition, the designers claim that the RISC-V instruction set is for practical computers. It's said to have features to increase a computer's speed yet reduce its cost and power use.