<meta http-equiv="content-type" content="text/html; charset=utf-8"><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><div style="font-size: medium; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; font-size: medium; ">Hi everyone, </span></div>
<div style="font-size: medium; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; font-size: medium; "><br></span></div><div style="font-size: medium; ">I think I know the answer to my question, but I was double checking. </div>
<div style="font-size: medium; ">When using </div><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><a name="PetscViewerBinaryOpen"><h1>PetscViewerBinaryOpen(); </h1><div><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">It is mentioned that </font></span></span></div>
</a><div><a name="PetscViewerBinaryOpen"><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3"></font></span></span></a><a name="PetscViewerBinaryOpen"><div style="display: inline !important; ">
<span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">"For writing files it only opens the file on processor 0 in the communicator."</font></span></span></div>
</a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3"><br>
</font></span></span></div></a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">Does that mean when writing a parallel vector to file using VecView(), all the data from other processors is first sent to processor zero and then dumped into the file? </font></span></span></div>
</a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">If so, that would be a very slow processor for big datasets and large number of processor? </font></span></span></div>
</a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">Any suggestions to speed that process up? </font></span></span></div>
</a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3"><br>
</font></span></span></div></a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">Best, </font></span></span></div>
</a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3">Mohamad</font></span></span></div>
</a></div><div><a name="PetscViewerBinaryOpen"><div style="display: inline !important; "><span class="Apple-style-span" style="font-family: arial; "><span class="Apple-style-span" style="font-family: 'Times New Roman'; "><font class="Apple-style-span" size="3"><br>
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