<span class="Apple-style-span" style="line-height: 25px; ">Hi!<div>I have two computer in the MPI program, and I use the function mpi_barrier(MPI_COMM_WORLD) to synchronize the two process on the two computer.</div><div>One of the process is running more slower than the other one because two different GPUs is on the two computer, and this means that one process has to wait for a long time(about several minutes). The error information is:</div><div>--PMPI_Barrier(425): MPI_Barrier(MPI_COMM_WORLD) failed</div><div>--MPIR_BARRIER_impl(331): Failure during collective</div><div>--gen_cnting_fail_handler(1738): connect failed-The semaphore timeout period has expired.</div><div>My MPI version is 1.3.2 p1-win-x86-64 and my OS is windows server 2008R2.</div><div><br></div></span><br><div>--<br><p><span style="font-size: 14px; "><font class="Apple-style-span" face="'Times New Roman'">Email: </font><a href="mailto:yogikai@163.com"><font class="Apple-style-span" f
ace="'Times New Roman'">yogikai@163.com</font></a><font class="Apple-style-span" face="'Times New Roman'"><br>Address: Room 921, Automation Building,<br>No. 95 Zhongguancun East Road,<br>Haidian District, Beijing 100190, China<br>Cell Phone:15210370340<br></font><span class="Apple-style-span" style="line-height: 15px; color: rgb(42, 42, 42); "><font class="Apple-style-span" style="font-size: 14px; "><font class="Apple-style-span" face="'Times New Roman'">The State Key Laboratory for Intelligent Control and Management of Complex Systems</font></font></span><font class="Apple-style-span" face="'Times New Roman'"><br>Institute of Automation, Chinese Academy of Sciences</font></span><br></p>
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