Chapter 1: Algorithm and Its Graph - General Notion of Algorithm, Algorithm Notations, Graph of Algorithm, Topological Sorting, Schedules and Graph Machine, Examples; Chapter 2: Algorithm Execution Time - Vector Properties of Schedules, Number Semirings and Other Sets, Minimax Properties of Schedules, Optimal and High-Speed Schedules, Examples; Chapter 3: Algorithms and Computer Memory - Examples, Total Required Memory Size, Hierarchical Memory, Sectioning of Memory, Decomposition of Algorithm and of Its Graph; Chapter 4: Matrix Investigation of Algorithm Structure - Graphs and Matrices, Recovering the Linear Functional, Computing Gradient and Derivative, Roundoff Error Analysis, Examples: Chapter 5: Functional Investigation of Algorithm Structure - Space-Time Schedules, Regular Graphs, Passage to the Limit, Data Streams, Examples; Chapter 6: Algorithm Graph and Schedules Building - Some Statistics, Order Relation, Notation Particularities, Guidelines for Algorithm Graph Building, Splitting the Algorithm Graph, Linear Index Expressions, Branching, Linear Information Closure, Examples; Index.