Basic HTML version of Foils prepared August 22 98

Foil 16 Dataset Object Structure

From Details of PetaSIM and its relationship to Performance Specification Languages Darpa Workshop on Performance Engineered Systems Annapolis Md. -- August 19-21 1998. by Yuhong Wen, Geoffrey C. Fox
Name: one per dataset object
choose from grid1dim, grid2dim, grid3dim, specifies type of dataset
bytesperunit: number of bytes in each unit
floatsperunit: update cost as a floating point arithmetic count
operationsperunit: operations in each unit
update(): method that updates given dataset which is contained in a CPU nodeset and a grainsize controlled by last memory nodeset visited
transmit(): method that calculates cost of transmission of dataset between memory levels either communication or movement up and down hierarchy
  • Methods can use other parameters or be custom

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