<html><body>Dear professor:<br><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">     I  partitioned my 2D cartesian grid with  4r
 ows*4cols CPUS.</span></div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">                   12  13 14 15</span></div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">                         8   9  10  11</span></div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">                    4   5  6  7</span></div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">                  
  0   1  2   3 </span></div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">  </span></div><div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><span style="font-family: Times New Roman; font-size: 14px;">   Now i need to scatter the values belonging to cpu5 to every cpu along x direction( 4 5 6 7) , which function should i use.</span><br><div><br></div><div>Regards</div></div><br><span title="neteasefooter"><p> </p></span></div><br><br><span title="neteasefooter"><p> </p></span></div><br><br><span title="neteasefooter"><p> </p></span></div><br><br><span title="neteasefooter"><p> </p>
 </span></div><br><br><span title="neteasefooter"><p> </p></span></div></div><br><br><span title="neteasefooter"><p> </p></span></div><br><br><span title="neteasefooter"><p> </p></span></div><br><br><span title="neteasefooter"><p> </p></span></div><br><br><span title="neteasefooter"><p> </p></span><br>
      
      
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