<div dir="ltr">Dear all:<div><br></div><div>I have a simple question on parallel IO in QE.</div><div>In many subroutines, "write" statement is used without the restriction to ionode.</div><div>For example, in c_bands.f90,</div>
<div><br></div><div>...</div><div><p style="margin:0px;font-size:11px;font-family:Menlo">  avg_iter = avg_iter / nkstot</p>
<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(215,57,30)"><span style="color:rgb(0,0,0)">  </span>!                                                                                                                                                                                  </p>

<p style="margin:0px;font-size:11px;font-family:Menlo">  <span style="color:rgb(175,57,255);background-color:rgb(175,254,255)">WRITE</span>( stdout, <span style="color:rgb(208,60,255)">&</span></p>
<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(197,156,156)"><span style="color:rgb(0,0,0)">       </span>'( 5X,"ethr = ",1PE9.2,",  avg # of iterations =",0PF5.1 )'<span style="color:rgb(0,0,0)"> ) </span><span style="color:rgb(208,60,255)">&</span></p>

<p style="margin:0px;font-size:11px;font-family:Menlo">       ethr, avg_iter</p>
<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(215,57,30)"><span style="color:rgb(0,0,0)">  </span>!                                                                                                                                                                                  </p>

<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(94,52,255)"><span style="color:rgb(0,0,0)">  </span><span style="color:rgb(208,60,255)">CALL</span><span style="color:rgb(0,0,0)"> </span>stop_clock<span style="color:rgb(0,0,0)">( </span><span style="color:rgb(197,156,156)">'c_bands'</span><span style="color:rgb(0,0,0)"> )</span></p>

<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(215,57,30)"><span style="color:rgb(0,0,0)">  </span>!                                                                                                                                                                                  </p>

<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(208,60,255)"><span style="color:rgb(0,0,0)">  </span>RETURN</p>
<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(215,57,30)"><span style="color:rgb(0,0,0)">  </span>!                                                                                                                                                                                  </p>

<p style="margin:0px;font-size:11px;font-family:Menlo;color:rgb(208,60,255)">END SUBROUTINE<span style="color:rgb(0,0,0)"> </span><span style="color:rgb(94,52,255)">c_bands</span></p></div><div><span style="color:rgb(94,52,255)"><br>
</span></div><div>Then, why is not this message printed duplicately for using the cores more than one?</div><div><br></div><div>Regards.</div><div><br></div><div>H. Lee</div></div>