HTMT: A Hybrid Technology Approach to Petaflops Computing
HTMT: A Hybrid Technology Approach to Petaflops Computing
HTMT: A Hybrid Technology Approach to Petaflops Computing
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Performance Scaling1998 2001 2004Module 1 Gbit 1 GB 10 GBcapacityNumber of10 5 10 5modulesAccess time 1 ms 100 µs 10 µsReadout 1 Gb/s .1 PB/s 1 PB/sbandwidthRecordbandwidth1 Mb/s 1 GB/s .1 PB/sAdvantages• petabyte memory• competitive cost• 10 µsec access time• low power• efficient interface <strong>to</strong> DRAMDisadvantages• recording rate is slower than thereadout rate for LiNbO 3• recording must be done in GB chunks• long term trend favors DRAM unlessnew materials and lasers are usedFebruary 16, 1999 <strong>Petaflops</strong> II - <strong>HTMT</strong> Architecture 28
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