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pvm_start Scilab // Group Scilab function pvm_start
NAME
pvm_start - Start the PVM daemon
CALLING SEQUENCE
[info] = pvm_start(["hostfile"])
PARAMETERS
hostfile
: name of the hostfile describing the configuration for each host of the
virtual machine.
info : integer, status code returned by the routine. Values less than
zero indicate an error.
DESCRIPTION
pvm_start starts the Pvmd3 which is a daemon process which
coordinates unix hosts in a virtual machine. One pvmd3 must run on
each host in the group. They provide the communication and process
control functions needed by the user's PVM processes. The local and
remote pvmds can also be started from the PVM console program pvm. The
optional parameter is the name of a host file. See pvmd3 for more details
on the host file format. If no argument is given to pvm_start, but the
variable PVM_ROOT is set, scilab will try to load the file
$HOME/.pvmd.conf. If this file does not exist, or the variable PVM_ROOT
is not set, scilab will try to load the default file $SCI/.pvmd.conf. In
all other cases, scilab will supposed that PVM and scilab are in
standard place on your net. Note that, to be able to start a PVM
daemon, scilex must know the place to find both scilex and pvmd.
Normally, scilex will start a new PVM daemon by using rsh. See the help
on pvmd3 and pvm for more detail on how to start/stop pvm. For example:
pvm_start()
ans =
0.
-->pvm_start()
ans =
- 28.
Error -28 means: pvm_start_pvmd(): Duplicate host
SEE ALSO
pvmd3, pvm_halt, pvm_addhosts, pvm_config
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