Hi everybody,
I am facing problem while running parallel runs. Ours is a
single Mac Os X
machine with 2 dual core processors.
Thus the hostfile taht I made was
mac-pros-computer.local cpu=2
mac-pros-computer.local cpu=2
When I use the command "lamboot" I get the message
LAM 7.0.6/MPI 2 C++/ROMIO - Indiana University
n-1<21286> ssi:boot:base:linear: booting n0 (mac-pros-computer.local)
n-1<21286> ssi:boot:base:linear: finished
Then when i try to run mdrun_mpi on 4 processors with the command
nohup mdrun_mpi -v -s 4cpu_3rdvel.tpr -np 4 -N 4 -deffnm 4cpu_3rdvel &
I get the error message:
"run input file 4cpu_3rdvel.tpr was made for 4 nodes,
while mdrun_mpi expected it to be for 1 nodes"
That means my hostfile could not specify that there are 4 processors. Then how
to write the
hostfile correctly so as to fix this problem?
Thanks in advance
Sarbani
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