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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Hong,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"> It was just to keep things simple. We can have an API (and a run-time option) for setting the max. number of components instead of a configure option. I can work on making
this change.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;font-family:"Times New Roman",serif">Shri<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">petsc-dev <petsc-dev-bounces@mcs.anl.gov> on behalf of PETSc Development <petsc-dev@mcs.anl.gov><br>
<b>Reply-To: </b>"Zhang, Hong" <hzhang@mcs.anl.gov><br>
<b>Date: </b>Tuesday, April 6, 2021 at 4:46 PM<br>
<b>To: </b>Matthew Knepley <knepley@gmail.com>, PETSc Development <petsc-dev@mcs.anl.gov><br>
<b>Cc: </b>"Abhyankar, Shrirang G" <shrirang.abhyankar@pnnl.gov><br>
<b>Subject: </b>Re: [petsc-dev] DMNetwork static sizing<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Shri,<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;color:black">You designed this approach. Is it intended or out of implementation convenience at the time?<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:12.0pt;color:black">Hong<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in"><b><span style="color:black">From:</span></b><span style="color:black"> petsc-dev <petsc-dev-bounces@mcs.anl.gov> on behalf of Matthew Knepley <knepley@gmail.com><br>
<b>Sent:</b> Monday, April 5, 2021 5:47 AM<br>
<b>To:</b> PETSc <petsc-dev@mcs.anl.gov><br>
<b>Subject:</b> [petsc-dev] DMNetwork static sizing</span> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Dowe really need a configure time constant for
<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">struct _p_DMNetworkComponentHeader {<br>
PetscInt index; /* index for user input global edge and vertex */<br>
PetscInt subnetid; /* Id for subnetwork */<br>
PetscInt ndata; /* number of components */<br>
PetscInt size[PETSC_DMNETWORK_MAXIMUM_COMPONENTS_PER_POINT];<br>
PetscInt key[PETSC_DMNETWORK_MAXIMUM_COMPONENTS_PER_POINT];<br>
PetscInt offset[PETSC_DMNETWORK_MAXIMUM_COMPONENTS_PER_POINT];<br>
PetscInt nvar[PETSC_DMNETWORK_MAXIMUM_COMPONENTS_PER_POINT]; /* Number of variables */<br>
PetscInt offsetvarrel[PETSC_DMNETWORK_MAXIMUM_COMPONENTS_PER_POINT]; /* offset from the first variable of the network point */<br>
} PETSC_ATTRIBUTEALIGNED(PetscMax(sizeof(double),sizeof(PetscScalar)));<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">Can't we just allocate this struct when needed and carry the size along?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">This design seem to go against the rest of what we do in PETSc?<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> Thanks,<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"> Matt<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">-- <o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in">What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>
-- Norbert Wiener<o:p></o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-left:.5in"><a href="https://gcc02.safelinks.protection.outlook.com/?url=http:%2F%2Fwww.cse.buffalo.edu%2F~knepley%2F&data=04%7C01%7Cshrirang.abhyankar%40pnnl.gov%7C939ff6f678d44ac6f15408d8f9457203%7Cd6faa5f90ae240338c0130048a38deeb%7C0%7C0%7C637533423968218909%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=poe0pJ2JhmdHmV5%2BzkkNNzENa4tAV0rqfU%2BHXtvF1nQ%3D&reserved=0" target="_blank">https://www.cse.buffalo.edu/~knepley/</a><o:p></o:p></p>
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