<div dir="ltr"><p><span class="gmail-" id="gmail-x_result_box" lang="en"><span class="gmail-">Hello,</span><br>
<br>
<span class="gmail-">I have a simple MPI program, everything is fine for a
small number of processes = {10,100, and 1000}, the problem is that for
10000 processes I have a runtime error.</span> <span class="gmail-">The attached file contains the generated error messages for n = 10 000.</span></span></p>
<ul><li>I tested my code on 4 nodes cluster within grid5000 platform (<span>on each node: 2 CPUs Intel Xeon E5-2630 v3, 8 cores/CPU, 126GB RAM, 5x558GB HDD, 186GB SSD, 10Gbps ethernet)</span></li><li>The mpi.c file contains the following code:</li></ul>
<div><span style="color:rgb(0,111,201)">int main(int argc, char *argv[])</span><br>
<span style="color:rgb(0,111,201)">{</span><br>
<span style="color:rgb(0,111,201)"> </span><span style="color:rgb(0,111,201)">int myRank, numProcs;</span><br>
<span style="color:rgb(0,111,201)"> MPI_Init(&argc, &argv);</span><br>
<span style="color:rgb(0,111,201)"> MPI_Comm_rank(MPI_COMM_WORLD, &myRank);</span><br>
<span style="color:rgb(0,111,201)"> MPI_Comm_size(MPI_COMM_WORLD, &numProcs);</span><br>
<br>
<span style="color:rgb(0,111,201)">if(myRank==0) printf("%d -%d\n",numProcs,myRank);</span><br>
<br>
<span style="color:rgb(0,111,201)">MPI_Finalize();</span><br>
<span style="color:rgb(0,111,201)">return(0);</span><br>
<span style="color:rgb(0,111,201)">}</span><br>
</div>
<br>
Thank you.</div>