I would also expect to see two places per machine. I would check
your /etc/hosts file on each of the machines and verify that the
hostname/IP is correct for all of them.
You can explicitly specify which machine to run on for every place by
specifying a X10_HOSTFILE with 10 lines in it (assuming 10 places), or
X10_HOSTLIST with 10 entries, instead of 5. If you specify fewer hosts
than places, it will wrap.
- Ben
From: WangChen <wang...@163.com>
To: Mailing list for users of the X10 programming language
<x10-users@lists.sourceforge.net>
Date: 10/16/2014 03:53 AM
Subject: [X10-users] map places to nodes
Hi
I have a question about how the places mapped to computing nodes?
I set the following variables on clusters:
X10_HOSTLIST=cn788,cn789,cn1149,cn1150,cn1151
X10_NPLACES=10
(each node are same)
The mapping results always something like this:
Place(1) running on 19026@cn789
Place(0) running on 19578@cn788
Place(4) running on 2330@cn1151
Place(3) running on 24853@cn1150
Place(6) running on 24975@cn1150
Place(7) running on 2388@cn1151
Place(8) running on 19636@cn788
Place(2) running on 11943@cn1149
Place(5) running on 12013@cn1149
Place(9) running on 11942@cn1149
I thought each node should have two places running on it.
But node cn1149 always have three places. why is this?
And is there i way to explicitly tell x10 the how to map places to nodes?
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