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<div id="version" align=right><b>petsc-3.14.5 2021-03-03</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-3.14.5 v3.14.5 docs/manualpages/Profiling/PetscLogFlops.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscLogFlops"><H1>PetscLogFlops</H1></A>
Log how many flops are performed in a calculation
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
PETSC_STATIC_INLINE <A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../Profiling/PetscLogFlops.html#PetscLogFlops">PetscLogFlops</A>(<A HREF="../Sys/PetscLogDouble.html#PetscLogDouble">PetscLogDouble</A> n)
</PRE>
<H3><FONT COLOR="#CC3333">Input Paramters</FONT></H3>
flops - the number of flops
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
To limit the chance of integer overflow when multiplying by a constant, represent the constant as a double,
not an integer. Use <A HREF="../Profiling/PetscLogFlops.html#PetscLogFlops">PetscLogFlops</A>(4.0*n) not <A HREF="../Profiling/PetscLogFlops.html#PetscLogFlops">PetscLogFlops</A>(4*n)
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../Profiling/PetscLogView.html#PetscLogView">PetscLogView</A>(), <A HREF="../Profiling/PetscLogGpuFlops.html#PetscLogGpuFlops">PetscLogGpuFlops</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/sys/logging/../../../include/petsclog.h.html#PetscLogFlops">src/sys/logging/../../../include/petsclog.h</A>
<P><H3><FONT COLOR="#CC3333">Examples</FONT></H3>
<A HREF="../../../src/sys/logging/tutorials/ex1f.F90.html">src/sys/logging/tutorials/ex1f.F90.html</A><BR>
<A HREF="../../../src/sys/tutorials/ex3.c.html">src/sys/tutorials/ex3.c.html</A><BR>
<A HREF="../../../src/sys/tutorials/ex3f.F.html">src/sys/tutorials/ex3f.F.html</A><BR>
<A HREF="../../../src/ksp/ksp/tutorials/ex9.c.html">src/ksp/ksp/tutorials/ex9.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex5.c.html">src/snes/tutorials/ex5.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex9.c.html">src/snes/tutorials/ex9.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex14.c.html">src/snes/tutorials/ex14.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex15.c.html">src/snes/tutorials/ex15.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex18.c.html">src/snes/tutorials/ex18.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex19.c.html">src/snes/tutorials/ex19.c.html</A><BR>
<A HREF="../../../src/snes/tutorials/ex22.c.html">src/snes/tutorials/ex22.c.html</A><BR>
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