<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 16 Jun 2010, at 16:11, Ian Hinder wrote:</div><div><br></div><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div>I have removed output for the reduction, but I now get differences above tolerance in the Hamiltonian constraint:</div><div><br></div><div><div> H.x.asc: substantial differences</div><div> significant differences on 6 (out of 46) lines</div><div> maximum absolute difference in column 13 is 3.46657468355827e-12</div><div> maximum relative difference in column 13 is 9.69181535413736e-11</div><div> (insignificant differences on 9 lines)</div><div> H.y.asc: substantial differences</div><div> significant differences on 7 (out of 46) lines</div><div> maximum absolute difference in column 13 is 2.2119042708546e-12</div><div> maximum relative difference in column 13 is 4.60112943759897e-11</div><div> (insignificant differences on 8 lines)</div><div> H.z.asc: substantial differences</div><div> significant differences on 14 (out of 60) lines</div><div> maximum absolute difference in column 13 is 3.00423574906006e-12</div><div> maximum relative difference in column 13 is 6.2493109449911e-11</div><div> (insignificant differences on 7 lines)</div><div><br></div><div>The evolved variables show differences below tolerance.</div><div><br></div><div>I attach the patch which contains the testsuites. I am inclined to commit it, and warn people to use OMP_NUM_THREADS=1 when running it. At least this gives us a direct working regression test for McLachlan. But we should understand why the Hamiltonian constraint is giving these differences.</div><div><br></div><div>If we want to include this test in the release, we will need to modify the einsteintoolkit.th thornlist to include the new thorn. The test runs only on 2 processes, as specified in the test.ccl file, due to the CarpetIOASCII output being dependent on the process decomposition. I have run the test successfully on my laptop and on damiana, but not on anything more exotic.</div></div></div></div></blockquote></div><div><br></div><div>Erik agreed that we should commit the testsuite, so I have committed it. I attach a patch to add the test thorn to the einsteintoolkit.th thornlist. OK to commit?</div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>-- </div><div>Ian Hinder</div><div><a href="mailto:ian.hinder@aei.mpg.de">ian.hinder@aei.mpg.de</a></div></div></span></div></span></div></span> </div></body></html>