units	branch	integer	floating pointon 601	issue at most one per unit per cycle	eight entry instruction queue	can fill queue from cache in one clock cycle		loads from requested address to end of cache blockpipeline	prefetch		includes ins. cache access cycles	decode	execute	writeback fpu	IQ[3210] → fpu buffer/decode [≥1 cycle] → execute 1 → execute 2 → writebackiu	IQ0/decode → buffer [if exec busy] → execute [hold for dependency] →					circulate in load/store					writebackbpu	IQ[3210] → decode/execute → writeback notes	address calculation must complete before stored value enters write buffer