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→Running Julia with multiple processes on clusters
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The following is an example of running a parallel Julia code computing pi using 1000 cores across nodes on a cluster | The following is an example of running a parallel Julia code computing pi using 1000 cores across nodes on a cluster | ||
{{File | {{File | ||
|name=run_julia_pi.sh | |name=run_julia_pi.sh | ||
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In this example, the command | In this example, the command | ||
< | <!--T:15--> | ||
srun hostname -s > hostfile | srun hostname -s > hostfile | ||
generates a list of names of the nodes allocated and writes it to the text file hostfile. Then the command | generates a list of names of the nodes allocated and writes it to the text file hostfile. Then the command | ||
< | |||
julia --machine-file ./hostfile ./pi_p.jl 1000000000000000 | <!--T:16--> | ||
julia --machine-file ./hostfile ./pi_p.jl 1000000000000000 | |||
starts 1+1000 julia processes on the nodes specified in the hostfile and runs the parallel Julia code pi_p.jl in parallel. | starts 1+1000 julia processes on the nodes specified in the hostfile and runs the parallel Julia code pi_p.jl in parallel. | ||
= Videos = | = Videos = | ||