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thanks a lot !!! <br><br>I launch mpd --ncpus=2<br>then<br><br>mpdboot -n 20 -f /home/mpd.hosts<br><br>My MPI cluster has 33 nosts.<br>But only 20 hosts can be used, each host has 2 CPUs. <br><br>Thus, I can not use more than 40 processes in parallel.<br><br>In this way , May I claim that I can use 40 processes in parallel ?<br><br>(1)<br>I run the program in this way : <br><br>time mpiexec -l -n 40 blis -par /home/chipps_blis_svn_trunk_090423/blis_trunk/blis.par -Alps_instance <br><br>bienst1.mps > bienst1_np_40_out_1<br><br>For bienst1.mps, <br><br>In Blis0.9 (Intel(R) Xeon(TM) CPU 3.06GHz, cache 512 KB), I got "Search wallclock = 275.889 seconds".<br> <br>In CPLEX (Intel(R) Xeon(TM) CPU 2.40GHz, cache 512 KB) , I got Solution time 535.42 sec. <br><br>How to check the CPUs usage to know how many processors are used ? <br><br>(2)<br>And, <br>Search CPU time = 12.6601 seconds, max = 265.293, min = 12.6591,<br><br>Search wallclock = 275.889 seconds, max = 275.852, min = 275.838<br><br>Here, the "min " of CPU time is much smaller than the "max" time, <br>does it mean that some CPUs are idel ? their work load are not balanced ?<br><br>(3)<br>How to check CPU time of each host ? <br><br>I will get a machine with 400 nodes, each of which has 2 Quad cores.<br><br>May I expect I can get more than 100 ave. speedup from it ?<br><br>(4) what is the difference between local machine and local host ?<br>In my mpd.host file , I listed 20 hosts, each of them has 2 CPUs. <br><br><br>Any help is appreciated. <br><br>April 24 2009<br><br><hr id="stopSpelling">From: Yan.Xu@sas.com<br>To: dtustudy68@hotmail.com; chipps@list.coin-or.org<br>Date: Fri, 24 Apr 2009 14:47:16 -0400<br>Subject: RE: Blis install error<br><br>
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<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">For some instances, you might not observe speedup, it depends
the properties of the instances, machined used and algorithm implementation.
Blis is not suitable for 2-processor-run because the Master doesn’t
processing nodes. It is designed for massive parallel computing (several dozen
~ thousands processors). You need find the right machine to do the test.</span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">You can check the CPUs usage to know how many processors are
used.</span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">What’s the specification of your machine?</span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Yan</span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span></p>
<div>
<div style="border-style: solid none none; border-color: rgb(181, 196, 223) -moz-use-text-color -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="EC_MsoNormal"><b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';">From:</span></b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';"> Jack Bryan
[mailto:dtustudy68@hotmail.com] <br>
<b>Sent:</b> Thursday, April 23, 2009 11:37 PM<br>
<b>To:</b> Yan Xu; chipps@list.coin-or.org<br>
<b>Subject:</b> RE: Blis install error</span></p>
</div>
</div>
<p class="EC_MsoNormal"> </p>
<p class="EC_MsoNormal" style="margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"><br>
I have run some milp models in Blis 0.9, but I found that the more processes I
use, <br>
<br>
the longer run-time.<br>
<br>
I run in this way:<br>
<br>
mpiexec -1 -l -n 10 blis p0033.mps<br>
<br>
Blis time
Blis time Blis time<br>
cplex time 2
processes 6 processes 10 processes<br>
p0033 0.04 sec
0.094985 0.280955
0.953854<br>
<br>
Blis time Blis time
Blis time<br>
cplex time 2
processes 10 processes 20 processes<br>
bell5 0.85 sec
46.022
90
111<br>
<br>
<br>
Did I do something wrong ? <br>
<br>
How to make sure that I really use the number of processes that are indicated <br>
in the command line ? <br>
<br>
Only by </span><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: red;">Alps0050I Launched number of processes ? </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"><br>
<br>
How to guarantee that the application program is really run in parallel on <br>
different processors not on one processor ? <br>
<br>
Any help is appreciated. <br>
<br>
thanks<br>
April 23 2009 </span></p>
<div class="EC_MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">
<hr id="EC_stopSpelling" size="2" width="100%" align="center">
</span></div>
<p class="EC_MsoNormal" style="margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">From: Yan.Xu@sas.com<br>
To: dtustudy68@hotmail.com; chipps@list.coin-or.org<br>
Date: Thu, 23 Apr 2009 15:02:18 -0400<br>
Subject: RE: Blis install error</span></p>
<div>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">In log, you can find</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Reading in ALPS parameters ...</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Reading in BLIS parameters ...</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Alps0110I ALPS version 1.0 (Parallel, MPI)</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: red;">Alps0050I Launched 2 processes</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Alps0030I Data file: p0033.mps</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Regards,</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Yan</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<div>
<div style="border-style: solid none none; border-color: -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="EC_MsoNormal"><b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';">From:</span></b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';"> Jack Bryan
[mailto:dtustudy68@hotmail.com] <br>
<b>Sent:</b> Thursday, April 23, 2009 2:56 PM<br>
<b>To:</b> Yan Xu; chipps@list.coin-or.org<br>
<b>Subject:</b> RE: Blis install error</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
</div>
</div>
<p class="EC_MsoNormal"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"> </span></p>
<p class="EC_MsoNormal" style="margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">thanks<br>
I run blis in this way <br>
mpiexec -np 2 blis -par blis.par -Alps_instance p0033.mps<br>
<br>
I have attached the result .<br>
<br>
how to verify that I really use 2 processor to solve p0033.mps in parallel ?<br>
<br>
thanks</span></p>
<div class="EC_MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">
<hr size="2" width="100%" align="center">
</span></div>
<p class="EC_MsoNormal" style="margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">From: Yan.Xu@sas.com<br>
To: dtustudy68@hotmail.com; chipps@list.coin-or.org<br>
Date: Thu, 23 Apr 2009 13:13:03 -0400<br>
Subject: RE: Blis install error</span></p>
<div>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">There is a similar var.par file in Blis/examples/VRP. You can
adjust it for testing MILP.</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">I added a blis.par to Blis/test in the trunk version.</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Regards,</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Yan</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<div>
<div style="border-style: solid none none; border-color: -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="EC_MsoNormal"><b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';">From:</span></b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';"> Jack Bryan
[mailto:dtustudy68@hotmail.com] <br>
<b>Sent:</b> Thursday, April 23, 2009 12:46 PM<br>
<b>To:</b> Yan Xu; chipps@list.coin-or.org<br>
<b>Subject:</b> RE: Blis install error</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
</div>
</div>
<p class="EC_MsoNormal"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"> </span></p>
<p class="EC_MsoNormal" style="margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">thanks<br>
<br>
I need to use parallel Blis on a cluster with mpich2-1.0.8.<br>
<br>
Following the instructions on INSTALL file, I can not get blis.par file. <br>
<br>
<br>
./configure --prefix=/home/chipps_blics_svn_090422 --enable-static
--disable-shared <br>
<br>
-with-mpi-incdir=/home/mpich2_install/include
--with-mpi-lib='-L/home/mpich2_install/lib <br>
<br>
-lmpich' MPICC=/home/mpich2_install/bin/mpicc
MPICXX=/home/mpich2_install/bin/mpicxx <br>
<br>
CXXDEFS='-DMPICH_IGNORE_CXX_SEEK'<br>
<br>
configure: Configuration of Blis successful<br>
configure: Main configuration of Blis successful<br>
------------------------------------<br>
then make <br>
<br>
make[2]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis/src'<br>
make[2]: Entering directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
make[2]: Nothing to be done for `all-am'.<br>
make[2]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
make[1]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
make[1]: Entering directory `/home/chipps_blics_svn_090422/Blis-0.9'<br>
make[1]: Nothing to be done for `all-am'.<br>
make[1]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9'<br>
<br>
----------------------------------------<br>
<br>
then make install<br>
<br>
make[3]: Nothing to be done for `install-data-am'.<br>
make[3]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
make[2]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
make[1]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
make[1]: Entering directory `/home/chipps_blics_svn_090422/Blis-0.9'<br>
make[2]: Entering directory `/home/chipps_blics_svn_090422/Blis-0.9'<br>
make[2]: Nothing to be done for `install-exec-am'.<br>
make[2]: Nothing to be done for `install-data-am'.<br>
make[2]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9'<br>
make[1]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9'<br>
<br>
---------------------------------------<br>
<br>
Any help is appreciated. <br>
<br>
thanks<br>
April 23 2009 </span></p>
<div class="EC_MsoNormal" style="text-align: center;" align="center"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">
<hr size="2" width="100%" align="center">
</span></div>
<p class="EC_MsoNormal" style="margin-bottom: 12pt;"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">From: Yan.Xu@sas.com<br>
To: dtustudy68@hotmail.com; chipps@list.coin-or.org<br>
Date: Thu, 23 Apr 2009 10:28:10 -0400<br>
Subject: RE: Blis install error</span></p>
<div>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">“make test” doesn’t for MPI Blis. You have to
manually test it. Please see the the INSALL file for details.</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Regards,</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);">Yan</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<p class="EC_MsoNormal"><span style="font-size: 11pt; font-family: 'Calibri','sans-serif'; color: rgb(31, 73, 125);"> </span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
<div>
<div style="border-style: solid none none; border-color: -moz-use-text-color; border-width: 1pt medium medium; padding: 3pt 0in 0in;">
<p class="EC_MsoNormal"><b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';">From:</span></b><span style="font-size: 10pt; font-family: 'Tahoma','sans-serif';"> Jack Bryan
[mailto:dtustudy68@hotmail.com] <br>
<b>Sent:</b> Wednesday, April 22, 2009 5:53 PM<br>
<b>To:</b> chipps@list.coin-or.org; Yan Xu<br>
<b>Subject:</b> Blis install error</span><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"></span></p>
</div>
</div>
<p class="EC_MsoNormal"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';"> </span></p>
<p class="EC_MsoNormal"><span style="font-size: 10pt; font-family: 'Verdana','sans-serif';">Hi,
<br>
<br>
I am trying to install Blis 0.9 on MPI cluster with MPICH2-1.0.8.<br>
<br>
My configure: <br>
<br>
./configure --prefix=/home/chipps_blics_svn_090422 --enable-static <br>
<br>
--disable-shared -with-mpi-incdir=/home/jxding/mpich2_install/include <br>
<br>
--with-mpi-lib='-L/home/jxding/mpich2_install/lib -lmpich' <br>
<br>
MPICC=/home/mpich2_install/bin/mpicc <br>
<br>
MPICXX=/home/mpich2_install/bin/mpicxx CXXDEFS='-DMPICH_IGNORE_CXX_SEEK'<br>
<br>
<br>
configure: Configuration of Blis successful<br>
configure: Main configuration of Blis successful<br>
<br>
------------------------------------------------------<br>
<br>
When I make test, I got error: <br>
<br>
Reading in ALPS parameters ...<br>
Reading in BLIS parameters ...<br>
Alps0110I ALPS version 1.0 (Parallel, MPI)<br>
Alps0050I Launched 1 processes<br>
Alps0030I Data file: ../../Data/Sample/p0033.mps<br>
Coin0001I At line 15 NAME
P0033<br>
Coin0001I At line 16 ROWS<br>
Coin0001I At line 34 COLUMNS<br>
Coin0001I At line 109 RHS<br>
Coin0001I At line 118 BOUNDS<br>
Coin0001I At line 152 ENDATA<br>
Coin0002I Problem P0033 has 16 rows, 33 columns and 98 elements<br>
Bcps0001I BiCePS version 0.9<br>
Blis0001I BLIS version 0.9<br>
Blis0043I Objective coefficients are multiples of 1<br>
hubNum_ <= 0<br>
<br>
BLIS ERROR: "hubNum_ <= 0"<br>
from
function "initSearch"<br>
from
class "AlpsKnowledgeBrokerMPI"<br>
make[2]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis/test'<br>
make[1]: Leaving directory `/home/chipps_blics_svn_090422/Blis-0.9/Blis'<br>
<br>
------------------------<br>
<br>
Any help is appreciated. <br>
<br>
Jack<br>
April 22 2009</span></p>
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