perhaps the [count*] notation means: repeat the line count times i.e.: hd1 hd1 hd2 hd2 :
no time to dig or test yet, so this is just another guess. On Wednesday, October 28, 2015 at 9:36:08 PM UTC+2, Ismael VC wrote: > > Hello everyone, > > I have succesfully added all nodes and I can init julia like this: > > [root@hd0 ~]# julia -p 2 --machinefile Beowulf > _ > _ _ _(_)_ | A fresh approach to technical computing > (_) | (_) (_) | Documentation: http://docs.julialang.org > _ _ _| |_ __ _ | Type "help()" for help. > | | | | | | |/ _` | | > | | |_| | | | (_| | | Version 0.3.11 (2015-07-27 06:18 UTC) > _/ |\__'_|_|_|\__'_| | Official http://julialang.org/ release > |__/ | x86_64-unknown-linux-gnu > > > julia> nprocs() > 22 > > > julia> nworkers() > 21 > > > julia> > > > Where Beowulf file is like this: > > hd1 > hd2 > hd3 > hd4 > hd5 > hd6 > hd7 > hd8 > hd9 > hd10 > hd11 > hd12 > hd13 > hd14 > hd15 > hd16 > hd17 > hd18 > hd19 > > If I change it to: > > 2 hd1 > 2 hd2 > 2 hd3 > 2 hd4 > 2 hd5 > 2 hd6 > 2 hd7 > 2 hd8 > 2 hd9 > 2 hd10 > 2 hd11 > 2 hd12 > 2 hd13 > 2 hd14 > 2 hd15 > 2 hd16 > 2 hd17 > 2 hd18 > 2 hd19 > > > > I get the same error I mentioned: > > [root@hd0 ~]# julia -p 2 --machinefile Beowulf2 > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ssh: connect to host 2 port 22: Invalid argument > ^CERROR: interrupt > in match at ./regex.jl:119 > in parse_connection_info at multi.jl:1090 > in read_worker_host_port at multi.jl:1037 > in read_cb_response at multi.jl:1015 > in start_cluster_workers at multi.jl:1027 > in addprocs_internal at multi.jl:1234 > in addprocs at multi.jl:1244 > in process_options at ./client.jl:240 > in _start at ./client.jl:354 > [root@hd0 ~]# > > > > El viernes, 25 de septiembre de 2015, 16:42:59 (UTC-5), Ismael VC escribió: > > Hello everyone! > > I am trying to set up a Julia cluster with 20 nodes, this is the very > first time I've tried something like this. I have looked around for > examples, but documentation is not very helpful for me: > > *Julia can be started in parallel mode with either the -p or > the --machinefile options. -p n will launch an additional n worker > processes, while --machinefile file will launch a worker for each line in > file file. The machines defined in file must be accessible via a > passwordless ssh login, with Julia installed at the same location as the > current host. Each machine definition takes the > form [count*][user@]host[:port] [bind_addr[:port]] . user defaults to > current user, port to the standard ssh port. count is the number of workers > to spawn on the node, and defaults to 1. The > optional bind-to bind_addr[:port] specifies the ip-address and port that > other workers should use to connect to this worker.* > > This is what I think I have understood so far: > > Ok I list the machines on a machine file, that's easy, I have a file like > this: > > n user@555.555.555.555 > n user@555.555.555.556 > n user@555.555.555.555 > > > *The machines defined in file must be accessible via a > passwordless ssh login,* > > This is the part that is difficult for me the most, it says that machines > must be accesible via paswordless ssh > > * with Julia installed at the same location as the current host.* > > I understand this as I need to install Julia en every node in the same > locat > > ...
