Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!wuarchive!ukma!vlsi!ulkyvx.bitnet!rmbult01 From: rmbult01@ulkyvx.bitnet (Robert M. Bultman) Newsgroups: comp.arch Subject: Re: RISC vs. CISC -- SPECmarks Message-ID: <1991Apr30.073852.253@ulkyvx.bitnet> Date: 30 Apr 91 11:38:52 GMT Organization: University of Louisville Lines: 19 > From: mccalpin@perelandra.cms.udel.edu (John D. McCalpin) > > 1. multiple functional units (separate FP add and multiply) > 2. pipelined functional units (independent stages for FP ops) > 3. multi-word xfr from cache/(vector registers) to FPU > 4. multi-word xfr from main memory to cache/(vector registers)/(fpu) > Sounds like a Multiflow Trace. 4 simultaneous 64-bit FP reads from memory over 4 data busses to 4 modules, each containing 2 FPUs (separate add and multiply), 2 IUs, 64 sp/32 dp FP registers, 64 32-bit integer registers, instruction cache only. Memory consisted of up to 8 memory controllers with up to 8 banks of memory per controller, with a 7 beat latency in returning data. Rob Bultman Speed Scientific School University of Louisville