If I run a julia script on a cluster, should I request more than one process? (My calculation is not parallel)
On Thursday, May 5, 2016 at 5:01:52 PM UTC-4, Yichao Yu wrote: > > On Thu, May 5, 2016 at 3:50 PM, Jorge Fernández de Cossío Díaz > <j.coss...@gmail.com <javascript:>> wrote: > > In my system, running julia from the console to launch the REPL launches > 3 > > processes named Julia. > > If I execute a julia script containing no parallel code, like > > > > julia myscript.jl > > > > I also get 3 processes, and all three seem to do work. > > > > I have NOT aliased julia to julia -p 3. > > > > I am using Ubuntu 15.10, although this also happens on a system with > 14.04, > > and on a remote cluster, and with different scripts. All are x64, Julia > > v0.4.5. In all cases, too many processes are launched. > > > > Any ideas on what could be happening? > > Those should be OpenBLAS worker thread and should not cost you any > trouble unless you are hitting the PID limit. >
