Gentoo Archives: gentoo-cluster

From: Alexey Shvetsov <alexxyum@×××××.com>
To: gentoo-cluster@l.g.o
Subject: Re: [gentoo-cluster] Re: eselect-mpi issues
Date: Fri, 27 Jun 2008 05:50:31
Message-Id: df02a1a80806262250m7746958eqc51406a51d51304b@mail.gmail.com
In Reply to: Re: [gentoo-cluster] Re: eselect-mpi issues by Eric Thibodeau
1 Yes, I know about this bug =)
2
3
4 2008/6/27 Eric Thibodeau <kyron@××××××××.com>:
5 > Alexey Shvetsov wrote:
6 >
7 > hi all!
8 >
9 > May be it will be better if we can choose combinations mpi_imp/compiler
10 > for example
11 > mpi-openmpi-gcc
12 > mpi-openmpi-intel
13 > and so on
14 >
15 > for now it can be done manualy specifing CC, Fc and so on env
16 > may be it will be better if it will be done from empi?
17 >
18 >
19 > You might want to go read: http://bugs.gentoo.org/show_bug.cgi?id=44132
20 >
21 > 2008/6/16 Eric Thibodeau <kyron@××××××××.com>:
22 >
23 >
24 > Justin Bronder wrote:
25 >
26 > On 12/06/08 11:28 -0700, Bryan Green wrote:
27 >
28 >
29 > Hello,
30 >
31 > I'm beginning to give empi/eselect-mpi a try. Bravo, Justin, for making
32 > these!
33 >
34 >
35 > Thanks for trying them out, I'm hoping someone else finds them as useful as
36 > I
37 > have.
38 >
39 >
40 > It is planned to be part of the Gentoo Clustering LiveCD ;)
41 >
42 >
43 >
44 > I've run into one bug in eselect-mpi that effects csh users (a popular
45 > shell where I work). There is simply one setenv line that has bash syntax
46 > rather than csh syntax. I already submitted a bug: its bug 226105.
47 > Here is the patch to fix it:
48 >
49 > ================================================
50 > --- files/mpi.eselect-0.0.3 (revision 1137)
51 > +++ files/mpi.eselect-0.0.3 (working copy)
52 > @@ -161,7 +161,7 @@
53 > setenv PATH "${binpath}"
54 > setenv MANPATH "${manpath}"
55 > setenv LD_LIBRARY_PATH "${lld}"
56 > -setenv ESELECT_MPI_IMP="${1}"
57 > +setenv ESELECT_MPI_IMP "${1}"
58 > EOF
59 >
60 > echo "Remember to source ${user_ev_sh} or ${user_ev_csh}"
61 > ================================================
62 >
63 >
64 > Fixed in eselect-0.0.3-r1. Also found another mistake when setting PATH for
65 > c shells and fixed that as well.
66 >
67 >
68 >
69 > Also, in the README file, the for loop in step 6 is incorrect:
70 >
71 > for i in $(ls ${HOME}/.env.d/*); do
72 > source ${HOME}/.env.d/${i}
73 > done
74 >
75 > Results in:
76 >
77 > -bash: /home/bgreen/.env.d//home/bgreen/.env.d/mpi.csh: No such file or
78 > directory
79 > -bash: /home/bgreen/.env.d//home/bgreen/.env.d/mpi.sh: No such file or
80 > directoryA
81 >
82 >
83 > Also fixed. You might also want to check out the doc I've been working on
84 > lately, http://dev.gentoo.org/~jsbronder/empi.xml. Hopefully it's a little
85 > more up to date.
86 >
87 >
88 > Have to remember that one ;)
89 >
90 >
91 >
92 > On the system where I'm using empi, I've created files in /etc/profile.d to
93 > source the user's .env.d files when they log in. What do you think about
94 > having the eselect-mpi ebuild install these, so mpi users dont have to do
95 > that part manually? They would instead just have to source /etc/profile or
96 > /etc/csh.login after running 'eselect mpi'.
97 >
98 >
99 > Love it, I had not even thought of using this mechanism before even though I
100 > should have. It will also simplify switching from an mpi environment to one
101 > without it. I'll try to get something checked into the overlay soon,
102 > shouldn't be more than a few days.<
103 >
104 >
105 > Keep us posted because I will definitely want that version!
106 >
107 >
108 >
109 > Here are my versions of the files in /etc/profile.d:
110 >
111 > ==============
112 > mpi-config.sh
113 > ==============
114 > if [ -d ${HOME}/.env.d ]; then
115 > for i in ${HOME}/.env.d/*.sh ; do
116 > . "${i}"
117 > done
118 > unset i
119 > fi
120 >
121 > ==============
122 > mpi-config.csh
123 > ==============
124 > if ( -d ${HOME}/.env.d ) then
125 > set nonomatch
126 > foreach i ( ${HOME}/.env.d/*.csh )
127 > source ${i}
128 > end
129 > unset i nonomatch
130 > endif
131 >
132 > ==============
133 >
134 > -bryan
135 >
136 >
137 > Thanks again for testing and your comments, they're much appreciated.
138 >
139 >
140 > Yeah, thanks you both, multi-mpi-on-1-system has always plagued me too ;)
141 >
142 >
143 >
144 >
145 >
146
147
148
149 --
150 Gentoo GNU/Linux 2.6.25
151
152 Mail to
153 alexxyum@×××××.com
154 alexxy@××××××.ru
155 --
156 gentoo-cluster@l.g.o mailing list