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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt'><span style='font-size:9.0pt;font-family:"Sans Serif",serif;color:#1F497D'>> </span><span style='font-size:9.0pt;font-family:"Sans Serif",serif'>probably the effect of cloud based machines). If you just need to detech regressions of speed > 10% that could probably be reliable enough.<o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0'><span style='font-size:9.0pt;font-family:"Sans Serif",serif'> <o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span style='font-size:9.0pt;font-family:"Sans Serif",serif;color:#1F497D'>> </span><span style='font-size:9.0pt;font-family:"Sans Serif",serif'>Even<o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;-qt-paragraph-type:empty;-qt-block-indent:0'><span style='font-size:9.0pt;font-family:"Sans Serif",serif'> <o:p></o:p></span></p><p style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:0in;margin-left:.5in;margin-bottom:.0001pt;-qt-block-indent:0;-qt-user-state:0'><span style='font-size:9.0pt;font-family:"Sans Serif",serif;color:#1F497D'>I think in our case we are concerned with the > 50% like the time I put in set_path in all the functions and dbaston noticed hey ST_Distance takes 10 times longer than it used to </span><span style='font-size:9.0pt;font-family:Wingdings;color:#1F497D'>J</span><span style='font-size:9.0pt;font-family:"Sans Serif",serif;color:#1F497D'><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>It's so easy to change what one things is a simple config parameter and have the speeds plummet.<o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Of course those tend to be more glaringly obvious. The catching the < 10% regression speed would be a dream </span><span style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p></o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p></div></body></html>