MIC+CPU节点运行HPL的参考步骤
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I ran hpl-2.1 successfully on my system with two coprocessors. I haven’t tried hpl-2.0 yet. Below are the steps I did:
Get the hpl-2.1 source code from http://www.netlib.org/benchmark/hpl/hpl-2.1.tar.gz
Get the make file for MIC sent by Francesca from his thread posted here
Update this make file with your current Intel® compiler and Intel® MPI Library. In my case, I use Intel Composer XE 2013 SP1 Update 2 and MPI 4.1.3.
Set env variables
# source /opt/intel/composer_xe_2013_sp1.2.144/bin/compilervars.sh intel64
# source /opt/intel/impi/4.1.3.048/bin64/mpivars.sh
Build the application for MIC. The results are saved in ../hpl-2.1/bin/IntelMIC
Modify the previous make file to build the application for host: change MKL lib and include path for intel64 instead of mic and remove “–mmic” in the make file.
Build the application for host. The results are saved in ../hpl-2.1/bin/IntelHost
Transfer the application for MIC (/bin/xhpl and file /bin/HPL.dat) to the directory /tmp in mic0 and mic1.
# cd /opt/hpl-2.1-TEST/bin/IntelMIC
# scp xhpl mic0:/tmp/
# scp HPL.dat mic0:/tmp/
# scp xhpl mic1:/tmp/
# scp HPL.dat mic1:/tmp/
Transfer all the necessary MPI libraries to mic0 and mic1.
# scp /opt/intel/impi/4.1.3.048/mic/bin/* mic0:/bin/
# scp /opt/intel/impi/4.1.3.048/mic/lib/* mic0:/lib64/
# scp /opt/intel/composer_xe_2013_sp1.2.144/compiler/lib/mic/* mic0:/lib64/
# scp /opt/intel/impi/4.1.3.048/mic/bin/* mic1:/bin/
# scp /opt/intel/impi/4.1.3.048/mic/lib/* mic1:/lib64/
# scp /opt/intel/composer_xe_2013_sp1.2.144/compiler/lib/mic/* mic1:/lib64/
Enable MIC communication and configure MPSS peer-to-peer.
# export I_MPI_MIC=enable
# /sbin/sysctl -w net.ipv4.ip_forward=1
Finally, I run the command you want successfully:
# cd /opt/hpl-2.1-TEST/bin/IntelHost
# mpirun -genv I_MPI_FABRICS=shm:tcp -n 24 -host localhost ./xhpl HPL.dat : -n 1 -host mic0 -env OMP_NUM_THREADS=244 -wdir /tmp ./xhpl : -n 1 -host mic1 -env OMP_NUM_THREADS=244 -wdir /tmp ./xhpl
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