W.B.Langdon 18 September 2020

WBL 4 Oct 2020 bug in memset(children,0 in chrome.cxx
WBL 3 Oct 2020 Added tiny_gp_generation.c (Tiny GP in C, crossover & mutation)

Part of GPquick C++ code which implements best use of
expr buffers used to store generational genetic programming trees
for 100% crossover on multi-core CPU.

E.g. see Pop::generation_fitness() and thread_fitness() 

Code for
"Multi-threaded Memory Efficient Crossover in C++
for Generational Genetic Programming", W. B. Langdon, 2020.
ArXiv 2009.10460 https://arxiv.org/abs/2009.10460
and SIGEVOlution 13(3) 2020.