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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>No suggestion on how to proceed ?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'>Paul<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>De :</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Paul Carrico [mailto:paul.carrico@free.fr] <br><b>Envoyé :</b> samedi 17 novembre 2012 23:30<br><b>À :</b> 'International users mailing list for Scilab.'<br><b>Objet :</b> parallelization<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Dear all,<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>Here is a basic function I would like to perform on a multicore architecture (the function is just to illustrate the issue) :<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US> the inputs have been split into 18 sub-parts <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>18*20 = 360° … elementary Sherlock<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>Thus :<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>How to use “parallel_run” macro ? (not understood)<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>How to store the intermediate results into a final matrix ? has the chronology of writing can be imposed ?<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span lang=EN-US><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span lang=EN-US>8 procs … however 18 = 2*8 +2 … troubles ?<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>Thanks for any feedback / advice<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>Paul<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><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><p class=MsoNormal><span lang=EN-US>// #####################################################################<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:#32B9B9'>mode</span><span lang=EN-US style='font-family:Monospaced;color:#4A55DB'>(</span><span lang=EN-US style='font-family:Monospaced;color:rosybrown'>0</span><span lang=EN-US style='font-family:Monospaced;color:#4A55DB'>)</span><span lang=EN-US style='font-family:Monospaced;color:black'>;</span><span lang=EN-US style='font-family:Monospaced'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:black'>nb</span><span lang=EN-US style='font-family:Monospaced'> <span style='color:#5C5C5C'>=</span> <span style='color:rosybrown'>18</span><span style='color:black'>;</span> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:black'>i</span><span lang=EN-US style='font-family:Monospaced'> <span style='color:#5C5C5C'>=</span> <span style='color:#4A55DB'>[</span><span style='color:rosybrown'>1</span> <span style='color:#FFAA00'>:</span> <span style='color:rosybrown'>1</span> <span style='color:#FFAA00'>:</span> <span style='color:rosybrown'>20</span><span style='color:#4A55DB'>]</span><span style='color:#5C5C5C'>'</span><span style='color:black'>;</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:black'>j</span><span lang=EN-US style='font-family:Monospaced'> <span style='color:#5C5C5C'>=</span> <span style='color:#4A55DB'>[</span><span style='color:rosybrown'>1</span> <span style='color:#FFAA00'>:</span> <span style='color:rosybrown'>1</span> <span style='color:#FFAA00'>:</span> <span style='color:rosybrown'>20</span><span style='color:#4A55DB'>]</span><span style='color:#5C5C5C'>'</span><span style='color:black'>;</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:#4A55DB'>[</span><span lang=EN-US style='font-family:Monospaced;color:black'>nl,nc</span><span lang=EN-US style='font-family:Monospaced;color:#4A55DB'>]</span><span lang=EN-US style='font-family:Monospaced'> <span style='color:#5C5C5C'>=</span> <span style='color:#32B9B9'>size</span><span style='color:#4A55DB'>(</span><span style='color:black'>i</span><span style='color:#4A55DB'>)</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:#B01813'>function</span><span lang=EN-US style='font-family:Monospaced'> <b><span style='color:#834310'>vect_fct</span></b><span style='color:#5C5C5C'>=</span><u><span style='color:black'>fct_angles</span></u><span style='color:#4A55DB'>(</span><b><span style='color:#834310'>i</span></b><span style='color:black'>, </span><b><span style='color:#834310'>j</span></b><span style='color:#4A55DB'>)</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced'> <b><span style='color:#834310'>vect_fct</span></b> <span style='color:#5C5C5C'>=</span> <span style='color:#4A55DB'>[</span><b><span style='color:#834310'>i</span></b> <b><span style='color:#834310'>j</span></b> <span style='color:#32B9B9'>cos</span><span style='color:#4A55DB'>(</span><b><span style='color:#834310'>i</span></b><span style='color:#4A55DB'>)</span><span style='color:#5C5C5C'>+</span><span style='color:#32B9B9'>sin</span><span style='color:#4A55DB'>(</span><b><span style='color:#834310'>j</span></b><span style='color:#4A55DB'>)</span> <span style='color:#5C5C5C'>-</span><span style='color:#32B9B9'>sin</span><span style='color:#4A55DB'>(</span><b><span style='color:#834310'>j</span></b><span style='color:#4A55DB'>)]</span><span style='color:black'>;</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:#B01813'>endfunction</span><span lang=EN-US style='font-family:Monospaced'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced'><o:p> </o:p></span></p><p class=MsoNormal><i><span lang=EN-US style='font-family:Monospaced;color:#64AE64'>//vect1 = zeros(nb*nl,4);</span></i><span lang=EN-US style='font-family:Monospaced'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:black'>vect1</span><span lang=EN-US style='font-family:Monospaced'> <span style='color:#5C5C5C'>=</span> <span style='color:#4A55DB'>[]</span><span style='color:black'>;</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:#A020F0'>for</span><span lang=EN-US style='font-family:Monospaced'> <span style='color:black'>k</span> <span style='color:#5C5C5C'>=</span> <span style='color:rosybrown'>1</span> <span style='color:#FFAA00'>:</span> <span style='color:black'>nb</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced'> <span style='color:black'>vect1</span> <span style='color:#5C5C5C'>=</span> <span style='color:#4A55DB'>[</span><span style='color:black'>vect1</span> <span style='color:black'>;</span> <u><span style='color:black'>fct_angles</span></u><span style='color:#4A55DB'>(</span><span style='color:black'>nl</span><span style='color:#5C5C5C'>*</span><span style='color:#4A55DB'>(</span><span style='color:black'>k</span><span style='color:#5C5C5C'>-</span><span style='color:rosybrown'>1</span><span style='color:#4A55DB'>)</span><span style='color:#5C5C5C'>+</span><span style='color:black'>i</span><span style='color:#4A55DB'>([</span><span style='color:rosybrown'>1</span><span style='color:#FFAA00'>:</span> <span style='color:black'>nl</span><span style='color:#4A55DB'>]</span><span style='color:black'>,</span><span style='color:rosybrown'>1</span><span style='color:#4A55DB'>)</span><span style='color:black'>,nl</span><span style='color:#5C5C5C'>*</span><span style='color:#4A55DB'>(</span><span style='color:black'>k</span> <span style='color:#5C5C5C'>-</span><span style='color:rosybrown'>1</span><span style='color:#4A55DB'>)</span><span style='color:#5C5C5C'>+</span><span style='color:black'>j</span><span style='color:#4A55DB'>([</span><span style='color:rosybrown'>1</span><span style='color:#FFAA00'>:</span> <span style='color:black'>nl</span><span style='color:#4A55DB'>]</span><span style='color:black'>,</span><span style='color:rosybrown'>1</span><span style='color:#4A55DB'>))]</span><span style='color:black'>;</span><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:Monospaced;color:#A020F0'>end</span><span lang=EN-US style='font-family:Monospaced'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>