| OCR Text |
Show 4.9 A Filter for Control Flow ................................................................................. 86 4.10 A Director to Display Control F low ................................................................ 87 4.11 A Filter for Data F l o w ........................................................................................ 88 4.12 Modifying a Va ria b le ........................................................................................... 89 4.13 A Director to Copy a Linked L i s t .................................................................... 91 4.14 Modifying a Function........................................................................................... 92 4.15 The Relation between Total Differentials...................................................... 101 4.16 Data Structures for the Unison A lg o r i thm ...................................................104 4.17 The Overview of the A lg o r ithm .......................................................................105 4.18 Initialization............................................................................................................106 4.19 Evaluation............................................................................................................... 107 4.20 Compiled Evaluation........................................................................................... 112 4.21 Compiled Evaluation with Precalculated Comparisons.............................. 112 4.22 Interpreted Evaluation........................................................................................113 4.23 The Unison A lg o r ithm ........................................................................................113 4.24 Processing of 10 Million Events, Best Case for Compiled Evaluation . . 115 4.25 Processing of 10 Million Events, Worst Case for Compiled Evaluation . 116 4.26 Evaluation of Boolean E x p re s s ion s ................................................................ 116 5.1 A Universal Boolean Element (UBE) to Evaluate an Arbitrary Boolean Function of Two Variables.......................................................................... 122 5.2 An Implementation of UBE Based on Switches (inverters to calculate dx and dy are not shown) .................... ..................................................... 123 5.3 An Implementation of UBE Based on NOR Gates (inverters to calculate dx and dy are not shown) .......................................................................... 124 5.4 A Network of UBEs ...........................................................................................125 5.5 The General Logic Function Block ................................................................ 126 vii |