Dataset Object Structure
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