On an Efficient Implementation of Tierra

		/vol04/eff-tierra/	© Copyright 1997
		Volume 04	Received: Accepted:	---- ----

On an Efficient Implementation of Tierra Russell K. Standish
Abstract
	In a project with which the author is involved, the run-time efficiency of Tierra has become of paramount importance. Whilst some optimisations can be applied to the Tierra code itself, the speedup is at most two to three times, with no benefits from vectorisation or parallelisation being realised due to the structure of the code. A new formulation of Tierra is proposed which gains the computational efficiency of a population model without sacrificing the advantages of an individual model. This new formulation can take advantage of parallelism when available. In some preliminary tests, the new code is up to three orders of magnitude faster than Tierra.

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