Space-Time Tradeoff

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Space-Time Tradeoff refers to providing knowledge, information or data, where memory size competes with computation time. This tradeoff is a frequent issue in computer chess programming, for instance low level stuff to calculate or lookup single populated bitboards by square index, or a distance between two squares. Lookup tables are non-volatile tables or initialized once at program startup, various hash tables and caches. Space-time tradeoff is also an issue in determining (almost) perfect knowledge from interior node recognizers by retrograde analysis, that is the application of endgame bit- or tablebases and various compression techniques.

=Space-Time Tradeoffs= There are multiple CPW pages where memory competes with computation:
 * Bit by Square
 * BitScan
 * Distance
 * Endgame Bitbases
 * Endgame Tablebases
 * Hash Table
 * Kindergarten Bitboards
 * KPK
 * Legality Test
 * Magic Bitboards
 * Manhattan-Distance
 * Material Tables
 * Population Count
 * Rotated Bitboards
 * Table-driven Move Generation
 * The switch Approach
 * Transposition Table

=See also=
 * Algorithms
 * Best-First
 * Data
 * Depth-First
 * Dispersion and Distortion
 * Knowledge
 * Learning
 * Memory
 * Sequential Logic

=Publications=
 * Burton H. Bloom (1970). Space/time trade-offs in hash coding with allowable errors. Comm. of the ACM, Vol. 13, No. 7, pdf
 * Albert Zobrist and Frederic Roy Carlson (1977). Detection of Combined Occurrences. Comm. of the ACM, Vol. 20, No. 1, pp. 31-35.

=External Links=
 * Space-time tradeoff from Wikipedia
 * Blum's speedup theorem from Wikipedia
 * Algorithmic efficiency from Wikipedia
 * Shannon entropy from Wikipedia
 * Computer memory from Wikipedia
 * Cache from Wikipedia
 * Lookup table from Wikipedia
 * Database from Wikipedia
 * Memory management unit from Wikipedia
 * Volatile memory from Wikipedia
 * Non-volatile memory from Wikipedia
 * Random-access memory from Wikipedia
 * Read-only memory from Wikipedia
 * Memory footprint from Wikipedia
 * Moore's law from Wikipedia
 * Computation, Memory, Nature, and Life - Is digital storage the secret of life? by John Walker
 * Spacetime from Wikipedia
 * Philosophy of space and time from Wikipedia
 * Einstein Minkowski Space-Time Diagram
 * Art of memory from Wikipedia
 * Eureka: A Prose Poem from Wikipedia
 * King Crimson - One Time, YouTube Video
 * 1995 double trio: Adrian Belew, Bill Bruford, Robert Fripp, Trey Gunn, Tony Levin, Pat Mastelotto

=References=

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