<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 20, 2016 at 6:52 PM, Lloyd R. Prentice <span dir="ltr"><<a href="mailto:lloyd@writersglen.com" target="_blank">lloyd@writersglen.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Question: how can we time the proposed solutions to compare performance?</blockquote></div><br>One solution is <a href="https://github.com/jlouis/eministat">https://github.com/jlouis/eministat</a></div><div class="gmail_extra"><br></div><div class="gmail_extra">But one has to weigh the most efficient solution against two things:</div><div class="gmail_extra"><br></div><div class="gmail_extra">* Which solution is the most readable and elegant. It is more likely to be correct.</div><div class="gmail_extra">* How many ISBN numbers per second are we looking at?</div><div class="gmail_extra"><br></div><div class="gmail_extra">Modern computers are unfairly quick at computation once data are on the CPU itself. So unless you have a very large count of ISBN numbers to verify, I would perhaps spend my time elsewhere in the code base. Your systems overall efficiency is likely to suffer from other factors than a single ISBN verification.<br><br clear="all"><div><br></div>-- <br><div class="gmail_signature" data-smartmail="gmail_signature">J.</div>
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