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<title>PetscLog</title><body bgcolor="FFFFFF">
<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/manualpages/concepts/petsclog.html "><small>Report Typos and Errors</small></a></div>
<h2>PetscLog</h2>
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<LI><A HREF="../../../src/ksp/ksp/examples/tutorials/ex5.c.html"><CONCEPT>profiling multiple stages of code;</CONCEPT></A>
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Solves two linear systems in parallel with KSP. The code<BR>illustrates repeated solution of linear systems with the same preconditioner<BR>
method but different matrices (having the same nonzero structure). The code<BR>
also uses multiple profiling stages. Input arguments are<BR>
-m <size> : problem size<BR>
-mat_nonsym : use nonsymmetric matrix (default is symmetric)<BR>
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<LI><A HREF="../../../src/ksp/ksp/examples/tutorials/ex9.c.html"><CONCEPT>profiling multiple stages of code;</CONCEPT></A>
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The solution of 2 different linear systems with different linear solvers.<BR>Also, this example illustrates the repeated<BR>
solution of linear systems, while reusing matrix, vector, and solver data<BR>
structures throughout the process. Note the various stages of event logging.<BR>
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<LI><A HREF="../../../src/ksp/ksp/examples/tutorials/ex9.c.html"><CONCEPT>user-defined event profiling;</CONCEPT></A>
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The solution of 2 different linear systems with different linear solvers.<BR>Also, this example illustrates the repeated<BR>
solution of linear systems, while reusing matrix, vector, and solver data<BR>
structures throughout the process. Note the various stages of event logging.<BR>
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