[Pw_forum] (no subject)

[Rajesh]

https://www.open-mpi.org/software/ompi/v2.1/downloads/openmpi-2.1.1.tar.gz

Steps to install

Step – 1 :Download the latest openmpi package from here ;

Step- 2: Extract the openmpi package and open the directory ;

Step – 3: Configure the installation file

./configure --prefix="/home/user/.openmpi"

Step – 4: Install the program

make && sudo make install

Step – 5: Setup environment path and test mpirun
add these lines to bash.bashrc and profile in /etc folder

PATH="$PATH:/home/user/.openmpi/bin"
LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/home/user/.openmpi/lib/"

To test
run command mpirun and you should get te output

If everything goes fine, then you should see the following message :

mpirun could not find anything to do


On Tue, Jul 18, 2017 at 9:53 PM, Shishir Timilsena <expressgucci at gmail.com>
wrote:

> ok i will try to install it
> can u provide the link for it.
> m using ubunut
>
> On Tue, Jul 18, 2017 at 9:56 PM, Rajesh <creativeidleminds at gmail.com>
> wrote:
>
>> openmpi is a software that you will have to install first. Then compile
>> qe with command
>>  ./configure -enable-opennmpi. Only then you can use parallel version of
>> qe. value is the number of processor you want to run  the process.
>>
>> On Tue, Jul 18, 2017 at 9:20 PM, Shishir Timilsena <
>> expressgucci at gmail.com> wrote:
>>
>>> may i know what is openmpi and [value]  ???
>>>
>>> On Tue, Jul 18, 2017 at 9:29 PM, Rajesh <creativeidleminds at gmail.com>
>>> wrote:
>>>
>>>> for openmpi it is mpirun -np [value] pw.x  <scf.in>  scf.out
>>>>
>>>>
>>>> On Tue, Jul 18, 2017 at 8:29 PM, Shishir Timilsena <
>>>> expressgucci at gmail.com> wrote:
>>>>
>>>>> May i know what are the quantum espresso codes in Parallel machine ??
>>>>> in serial i use, pw.x <scf.in> scf.out what is in parallel ??
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Shishir Timilsena, M.Sc
>>>>> St.xavier's College
>>>>> Kathmandu,Nepal
>>>>> e-mail: shishir.timilsena at gmail.com
>>>>> phone: +977 9845196469 <+977%20984-5196469>
>>>>>
>>>>>
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