35 59 v 1 [ gr-q c ] 2 2 Se p 20 07 Implementation of standard testbeds for numerical relativity

We sharpen our discussion of the design and implementation of the initial round of testbeds for numerical relativity which was presented in the first paper of the Apples with Apples Alliance. We present benchmark results for various codes which provide templates for analyzing the testbeds and to draw conclusions about various features of the codes. This allows us to sharpen the initial test specifications and add theoretical insight. PACS numbers: 04.70.Bw, 04.25.Dm, 04.40.Nr, 98.80.Cq

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