Thursday, May 20, 2010

Hints for Computer System Design

Butler W. Lampson's Hints for Computer System Design. The slogans are summarized in the table below (Figure 1 in the paper):
CompletenessSeparate normal and worst caseShed load 
  Safety first 
InterfaceDo one thing wellMake it fastEnd-to-end
 Don't generalizeSplit resourcesLog updates
 Get it rightStatic analysisMake actions atomic
 Don't hide powerDynamic translation 
 Use procedure arguments  
 Leave it to the client  
 Keep basic interfaces stable  
 Keep a place to stand  
ImplementationPlan to throw one awayCache answersMake actions atomic
 Keep secretsUse brute forceUse hints
 Use a good idea againCompute in background 
 Divide and conquerBatch processing 

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