<html><body bgcolor="#FFFFFF"><div>Hi Barry</div><div><br></div><div>I am using <span class="Apple-style-span" style="font-size: 15px; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.289062); -webkit-composition-fill-color: rgba(175, 192, 227, 0.222656); -webkit-composition-frame-color: rgba(77, 128, 180, 0.222656); ">petsc-3.0.0-p7.</span></div><div><span class="Apple-style-span" style="font-size: 15px; -webkit-tap-highlight-color: rgba(26, 26, 26, 0.285156); -webkit-composition-fill-color: rgba(175, 192, 227, 0.21875); -webkit-composition-frame-color: rgba(77, 128, 180, 0.21875);"><br></span>Regards,</div><div>Lukasz</div><div><br>On 28 Oct 2009, at 01:30, Barry Smith <<a href="mailto:bsmith@mcs.anl.gov">bsmith@mcs.anl.gov</a>> wrote:<br><br></div><div></div><blockquote type="cite"><div><span></span><br><span> What prehistoric version of PETSc are you using?</span><br><span></span><br><span></span><br><span> Barry</span><br><span>On Oct 27, 2009, at 6:19 PM, Lukasz Kaczmarczyk wrote:</span><br><span></span><br><blockquote type="cite"><span>Hello,</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I have noticed minor problem, potentially bug. For nonlinear analysis with SNES and option -ksp_monitor_true_residual I get</span><br></blockquote><blockquote type="cite"><span>0 Norm Res_strain 9.36e-12 Norm Res_stress 1.43e-05 Internal its 1</span><br></blockquote><blockquote type="cite"><span> 0 SNES Function norm 1.428489691212e-05</span><br></blockquote><blockquote type="cite"><span> 0 KSP preconditioned resid norm 7.213823259362e-04 true resid norm 1.428489691212e-05 ||Ae||/||Ax|| 1.000000000000e+00</span><br></blockquote><blockquote type="cite"><span> 0 KSP preconditioned resid norm 7.213823259362e-04 true resid norm 1.428489691212e-05 ||Ae||/||Ax|| 1.000000000000e+00</span><br></blockquote><blockquote type="cite"><span> 1 KSP preconditioned resid norm 4.903423697449e-04 true resid norm 9.339595309685e-06 ||Ae||/||Ax|| 6.538090801174e-01</span><br></blockquote><blockquote type="cite"><span> 1 KSP preconditioned resid norm 4.903423697449e-04 true resid norm 9.339595309685e-06 ||Ae||/||Ax|| 6.538090801174e-01</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>It look that function KSPMonitorTrueResidualNorm is evaluated twice, whereas for default KSP monitor only once. I use petsc-3.0.0-p7.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Kind regards,</span><br></blockquote><blockquote type="cite"><span>Lukasz</span><br></blockquote><span></span><br><span></span><br></div></blockquote></body></html>