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<div class="moz-cite-prefix">Le 15/10/2018 à 15:07, Arvid Rosén a
écrit :<br>
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cite="mid:35731538-5BB2-4C53-915C-BE53D3B95871@softube.com">
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<p class="MsoNormal"><span lang="EN-US">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Yeah, that makes sense.
Or, it was about what I expected at least. It is a pity
though, as handling thousands of filters isn’t necessarily a
strange thing to do with a software like Scilab, and making
a special serialization like that would be nothing less than
a hack.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Do you think there is a
way forward under the hood that could make big deep list
structures >10x faster in the future? </span></p>
</div>
</blockquote>
No. I think that hdf5 is not convenient for deeply structured data
with small leafs. Some interesting discussions can be found here:<br>
<br>
<a class="moz-txt-link-freetext" href="https://cyrille.rossant.net/should-you-use-hdf5/">https://cyrille.rossant.net/should-you-use-hdf5/</a><br>
<a class="moz-txt-link-freetext" href="https://cyrille.rossant.net/moving-away-hdf5/">https://cyrille.rossant.net/moving-away-hdf5/</a><br>
<br>
If you just need to read/write within your own software, serializing
should not be an issue. In the example you gave, the structure of
each leaf is always the same: using an array of structs improves
performances a little bit:<br>
<br>
clear<br>
N = 4;<br>
n = 1000;<br>
for i=1:n<br>
G(i).a=rand(N,N);<br>
G(i).b=rand(N,1);<br>
G(i).c=rand(1,N);<br>
G(i).c=rand(1,1);<br>
end<br>
tic();<br>
save('filters.dat', 'G');<br>
disp(toc());<br>
--> disp(toc());<br>
<br>
0.24133<br>
<br>
<br>
S.<br>
<blockquote type="cite"
cite="mid:35731538-5BB2-4C53-915C-BE53D3B95871@softube.com">
<div class="WordSection1">
<p class="MsoNormal"><span lang="EN-US">Otherwise, the whole
object orientation part of Scilab (tlist and mlist etc.)
would be hard to use for anything that comes in large
numbers, which would be a shame, especially as it used to
work just fine (well, I can see how the old structure wasn’t
“just fine” in other ways, but still).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Arvid<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal" style="margin-left:36.0pt"><b><span
style="font-size:12.0pt;color:black" lang="EN-US">From:
</span></b><span style="font-size:12.0pt;color:black"
lang="EN-US">users <a class="moz-txt-link-rfc2396E" href="mailto:users-bounces@lists.scilab.org"><users-bounces@lists.scilab.org></a>
on behalf of Stéphane Mottelet
<a class="moz-txt-link-rfc2396E" href="mailto:stephane.mottelet@utc.fr"><stephane.mottelet@utc.fr></a><br>
<b>Organization: </b>Université de Technologie de
Compiègne<br>
<b>Reply-To: </b>Users mailing list for Scilab
<a class="moz-txt-link-rfc2396E" href="mailto:users@lists.scilab.org"><users@lists.scilab.org></a><br>
<b>Date: </b>Monday, 15 October 2018 at 14:37<br>
<b>To: </b><a class="moz-txt-link-rfc2396E" href="mailto:users@lists.scilab.org">"users@lists.scilab.org"</a>
<a class="moz-txt-link-rfc2396E" href="mailto:users@lists.scilab.org"><users@lists.scilab.org></a><br>
<b>Subject: </b>Re: [Scilab-users] HDF5 save is super
slow<o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt"><span
lang="EN-US"><o:p> </o:p></span></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:36.0pt">Hello,<br>
<br>
I looked a little bit in the sources: the evident
bottleneck is the nested creation of an hdf5 group each
time that a container variable is met.<br>
For the given example, this is particularly evident. If
you replace the syslin structure by the corresponding
[A,B;C,D] matrix, then save is ten times faster:<br>
<br>
N = 4;<br>
n = 1000;<br>
filters = list();<br>
for i=1:n<br>
G=syslin('c', rand(N,N), rand(N,1), rand(1,N),
rand(1,1));<br>
filters($+1) = G;<br>
end<br>
tic();<br>
save('filters.dat', 'filters');<br>
disp(toc());<br>
--> disp(toc());<br>
<br>
0.724754<br>
<br>
N = 4;<br>
n = 1000;<br>
filters = list()<br>
for i=1:n<br>
G=syslin('c', rand(N,N), rand(N,1), rand(1,N),
rand(1,1));<br>
filters($+1) = [G.a G.b;G.c G.d];<br>
end<br>
tic();<br>
save('filters.dat', 'filters');<br>
disp(toc());<br>
--> disp(toc());<br>
<br>
0.082302<br>
<br>
Serializing container objects seems to be the solution,
but it goes towards an orthogonal direction w.r.t. the
hdf5 portability spirit.<br>
<br>
S.<br>
<br>
<br>
Le 15/10/2018 à 12:22, Antoine Monmayrant a écrit :<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal" style="margin-left:36.0pt">Le
15/10/2018 à 11:55, Arvid Rosén a écrit :<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">Hi,</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">Thanks for getting back to me!</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">Unfortunately, we used Scilab’s pretty
cool way of doing object orientation, so we have big
nested tlist structures with multiple instances of
various lists of filters and other structures, as in
my example. Saving those structures in some explicit
manual way would be extremely complicated. Or is
there some way of writing explicit HDF5
saving/loading schemes using overloading? That would
be great! I am sure we could find the main culprits
and do something explicit for them, but as they can
be located wherever in a big nested structure, it
would be painful to do anything on the top level.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">Another, related I guess, problem here
is that the new file format uses about 15 times as
much disk space as the old format (for a typical
ill-behaved nested structure). That adds to the
save/load time too I guess, but is probably not the
main source here.</span><o:p></o:p></p>
</div>
</blockquote>
<p class="MsoNormal" style="margin-left:36.0pt">Argh, yes, I
tested it and in your example, I have a file x8.5 bigger.<br>
I think that both increases in time and size are real
issues and should be reported as bugs.<br>
<br>
By the way, I rewrote your script to run it under both 6.0
and 5.5:<br>
<br>
/////////////////////////////////<br>
N = 4;<br>
n = 10000;<br>
filters = list();<br>
<br>
for i=1:n<br>
G=syslin('c', rand(N,N), rand(N,1), rand(1,N),
rand(1,1));<br>
filters($+1) = G;<br>
end<br>
<br>
ver=getversion('scilab');<br>
<br>
if ver(1)<6 then<br>
tic();<br>
save('filters_old.dat', filters);<br>
ts1 = toc();<br>
else<br>
tic();<br>
save('filters_new.dat', 'filters');<br>
ts1 = toc(); <br>
end<br>
<br>
printf("Time for save %.2fs\n", ts1);<br>
/////////////////////////////////<br>
<br>
Hope it helps,<br>
<br>
Antoine<br>
<br>
<br>
<o:p></o:p></p>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">I think I might have reported this
earlier using Bugzilla, but I’m not sure. I’ll check
and report it if not.</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">Cheers,</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US">Arvid</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:36.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><b><span
style="font-size:12.0pt;color:black"
lang="EN-US">From: </span></b><span
style="font-size:12.0pt;color:black" lang="EN-US">users
<a href="mailto:users-bounces@lists.scilab.org"
moz-do-not-send="true"><users-bounces@lists.scilab.org></a>
on behalf of
<a href="mailto:amonmayr@laas.fr"
moz-do-not-send="true">"amonmayr@laas.fr"</a> <a
href="mailto:amonmayr@laas.fr"
moz-do-not-send="true">
<amonmayr@laas.fr></a><br>
<b>Reply-To: </b><a
href="mailto:antoine.monmayrant@laas.fr"
moz-do-not-send="true">"antoine.monmayrant@laas.fr"</a>
<a href="mailto:antoine.monmayrant@laas.fr"
moz-do-not-send="true"><antoine.monmayrant@laas.fr></a>,
Users mailing list for Scilab
<a href="mailto:users@lists.scilab.org"
moz-do-not-send="true"><users@lists.scilab.org></a><br>
<b>Date: </b>Monday, 15 October 2018 at 11:08<br>
<b>To: </b><a
href="mailto:users@lists.scilab.org"
moz-do-not-send="true">"users@lists.scilab.org"</a>
<a href="mailto:users@lists.scilab.org"
moz-do-not-send="true">
<users@lists.scilab.org></a><br>
<b>Subject: </b>Re: [Scilab-users] HDF5 save is
super slow</span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
lang="EN-US"> </span><o:p></o:p></p>
</div>
<div>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt">Hello,<br>
<br>
I tried your code in 5.5.1 and the last
nightly-build of 6.0: I see a slowdown of around 175
between old save in 5.5.1 and new (and only) save in
6.0.<br>
It's really related to the data structure, because
we use hdf5 read/write a lot here and did not
experience significant slowdowns using 6.0.<br>
I think the overhead might come to the translation
of your fairly complex variable (a long array of
tlist) in the corresponding hdf5 structure.<br>
In the old save, this translation was not necessary.<br>
Maybe you could try to save your data in a different
way.<br>
For example:<br>
3) you could save each element of "filters" in a
separate file.<br>
2) you could bypass save and directly write your
data in a hdf5 file by using h5open(), h5write()
directly. It means you need to write your own load()
for your custom file format. But this way, you can
try to find the best way to layout your data in hdf5
format.<br>
3) in addition to 2) you could try to save each
entry of your "filters" array as one dataset in a
given hdf5 file.<br>
<br>
Did you search on bugzilla whether this bug was
already submitted?<br>
Could you try to report it?<br>
<br>
<br>
Antoine<br>
<br>
Le 15/10/2018 à 10:11, Arvid Rosén a écrit :<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">/////////////////////////////////</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">N = 4;</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">n = 10000;</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">filters = list();</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">for i=1:n</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> G=syslin('c', rand(N,N), rand(N,1),
rand(1,N), rand(1,1));</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> filters($+1) = G;</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">end</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">tic();</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">save('filters.dat', filters);</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">ts1 = toc();</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">tic();</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">save('filters.dat', 'filters');</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">ts2 = toc();</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US"> </span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">printf("old save %.2fs\n", ts1);</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">printf("new save %.2fs\n", ts2);</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">printf("slowdown %.1f\n", ts2/ts1);</span><o:p></o:p></p>
<p class="MsoNormal"
style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;margin-left:72.0pt"><span
style="font-family:"Courier New""
lang="EN-US">/////////////////////////////////</span><o:p></o:p></p>
</blockquote>
<p style="margin-left:72.0pt"> <o:p></o:p></p>
<pre style="margin-left:72.0pt">-- <o:p></o:p></pre>
<pre style="margin-left:72.0pt">+++++++++++++++++++++++++++++++++++++++++++++++++++++++<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> <o:p></o:p></pre>
<pre style="margin-left:72.0pt"> Antoine Monmayrant LAAS - CNRS<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> 7 avenue du Colonel Roche<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> BP 54200<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> 31031 TOULOUSE Cedex 4<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> FRANCE<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> <o:p></o:p></pre>
<pre style="margin-left:72.0pt"> <a href="Tel:+33" moz-do-not-send="true">Tel:+33</a> 5 61 33 64 59<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> <o:p></o:p></pre>
<pre style="margin-left:72.0pt"> email : <a href="mailto:antoine.monmayrant@laas.fr" moz-do-not-send="true">antoine.monmayrant@laas.fr</a><o:p></o:p></pre>
<pre style="margin-left:72.0pt"> permanent email : <a href="mailto:antoine.monmayrant@polytechnique.org" moz-do-not-send="true">antoine.monmayrant@polytechnique.org</a><o:p></o:p></pre>
<pre style="margin-left:72.0pt"> <o:p></o:p></pre>
<pre style="margin-left:72.0pt">+++++++++++++++++++++++++++++++++++++++++++++++++++++++<o:p></o:p></pre>
<pre style="margin-left:72.0pt"> <o:p></o:p></pre>
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<p style="margin-left:36.0pt"><o:p> </o:p></p>
<pre style="margin-left:36.0pt">-- <o:p></o:p></pre>
<pre style="margin-left:36.0pt">+++++++++++++++++++++++++++++++++++++++++++++++++++++++<o:p></o:p></pre>
<pre style="margin-left:36.0pt"><o:p> </o:p></pre>
<pre style="margin-left:36.0pt"> Antoine Monmayrant LAAS - CNRS<o:p></o:p></pre>
<pre style="margin-left:36.0pt"> 7 avenue du Colonel Roche<o:p></o:p></pre>
<pre style="margin-left:36.0pt"> BP 54200<o:p></o:p></pre>
<pre style="margin-left:36.0pt"> 31031 TOULOUSE Cedex 4<o:p></o:p></pre>
<pre style="margin-left:36.0pt"> FRANCE<o:p></o:p></pre>
<pre style="margin-left:36.0pt"><o:p> </o:p></pre>
<pre style="margin-left:36.0pt"> <a href="Tel:+33" moz-do-not-send="true">Tel:+33</a> 5 61 33 64 59<o:p></o:p></pre>
<pre style="margin-left:36.0pt"> <o:p></o:p></pre>
<pre style="margin-left:36.0pt"> email : <a href="mailto:antoine.monmayrant@laas.fr" moz-do-not-send="true">antoine.monmayrant@laas.fr</a><o:p></o:p></pre>
<pre style="margin-left:36.0pt"> permanent email : <a href="mailto:antoine.monmayrant@polytechnique.org" moz-do-not-send="true">antoine.monmayrant@polytechnique.org</a><o:p></o:p></pre>
<pre style="margin-left:36.0pt"><o:p> </o:p></pre>
<pre style="margin-left:36.0pt">+++++++++++++++++++++++++++++++++++++++++++++++++++++++<o:p></o:p></pre>
<pre style="margin-left:36.0pt"><o:p> </o:p></pre>
<p class="MsoNormal" style="margin-left:36.0pt"><br>
<br>
<br>
<o:p></o:p></p>
<pre style="margin-left:36.0pt">_______________________________________________<o:p></o:p></pre>
<pre style="margin-left:36.0pt">users mailing list<o:p></o:p></pre>
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<pre style="margin-left:36.0pt"><a href="https://antispam.utc.fr/proxy/2/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users" moz-do-not-send="true">https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users</a><o:p></o:p></pre>
</blockquote>
<p style="margin-left:36.0pt"><o:p> </o:p></p>
<pre style="margin-left:36.0pt">-- <o:p></o:p></pre>
<pre style="margin-left:36.0pt">Stéphane Mottelet<o:p></o:p></pre>
<pre style="margin-left:36.0pt">Ingénieur de recherche<o:p></o:p></pre>
<pre style="margin-left:36.0pt">EA 4297 Transformations Intégrées de la Matière Renouvelable<o:p></o:p></pre>
<pre style="margin-left:36.0pt">Département Génie des Procédés Industriels<o:p></o:p></pre>
<pre style="margin-left:36.0pt">Sorbonne Universités - Université de Technologie de Compiègne<o:p></o:p></pre>
<pre style="margin-left:36.0pt">CS 60319, 60203 Compiègne cedex<o:p></o:p></pre>
<pre style="margin-left:36.0pt">Tel : +33(0)344234688<o:p></o:p></pre>
<pre style="margin-left:36.0pt"><a href="https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/www.utc.fr/%7Emottelet" moz-do-not-send="true">http://www.utc.fr/~mottelet</a><o:p></o:p></pre>
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users mailing list
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<a class="moz-txt-link-freetext" href="https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users">https://antispam.utc.fr/proxy/1/c3RlcGhhbmUubW90dGVsZXRAdXRjLmZy/lists.scilab.org/mailman/listinfo/users</a>
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<p><br>
</p>
<pre class="moz-signature" cols="72">--
Stéphane Mottelet
Ingénieur de recherche
EA 4297 Transformations Intégrées de la Matière Renouvelable
Département Génie des Procédés Industriels
Sorbonne Universités - Université de Technologie de Compiègne
CS 60319, 60203 Compiègne cedex
Tel : +33(0)344234688
<a class="moz-txt-link-freetext" href="http://www.utc.fr/~mottelet">http://www.utc.fr/~mottelet</a></pre>
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