Food Chain

• Price/performance increase PC vs. Supercomputer

  • 80% vs.30% per year

• DRAM and disk

  • (capacity*4)/3 years

• Sale PC vs. Supercomputer

  • ᡖ.000:1 last 5 years

• Price 1MB DRAM PC vs. Supercomputer:

  • $40:$600

• All lag behind PC’s with 1-2 years

• “Full stop” in sale of proprietary Unix workstations

• Must build computers from commodity computers

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