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    <title>PFS-JIRA</title>
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        <build-date>13-09-2019</build-date>
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<item>
            <title>[REDMINE1D-10] [RM-6499] le prior &apos;H-alpha&apos; n&apos;est pas optimal </title>
                <link>https://pfspipe.ipmu.jp/jira/browse/REDMINE1D-10</link>
                <project id="11002" key="REDMINE1D">1D Redmine </project>
                    <description>&lt;p&gt;&lt;em&gt;&lt;font color=&quot;#505f79&quot;&gt; Created on 2021-05-17 13:53:31 by Vincent Le Brun. % Done: 100&lt;/font&gt;&lt;/em&gt;&lt;/p&gt;


&lt;p&gt;ce prior prend environ deux fois plus de temps que le prior  strong, il ne serait pas cod&#233; de fa&#231;on &apos;optimale&apos; d&apos;apr&#232;s Didier...&lt;/p&gt;</description>
                <environment></environment>
        <key id="16714">REDMINE1D-10</key>
            <summary>[RM-6499] le prior &apos;H-alpha&apos; n&apos;est pas optimal </summary>
                <type id="3" iconUrl="https://pfspipe.ipmu.jp/jira/secure/viewavatar?size=xsmall&amp;avatarId=10518&amp;avatarType=issuetype">Task</type>
                                            <priority id="10000" iconUrl="https://pfspipe.ipmu.jp/jira/images/icons/priorities/medium.svg">Normal</priority>
                        <status id="10002" iconUrl="https://pfspipe.ipmu.jp/jira/images/icons/statuses/generic.png" description="The issue is resolved, reviewed, and merged">Done</status>
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                                    <resolution id="10000">Done</resolution>
                                        <assignee username="r2j.migrate">Redmine-Jira Migtation</assignee>
                                    <reporter username="r2j.migrate">Redmine-Jira Migtation</reporter>
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                <created>Fri, 4 Jun 2021 01:19:22 +0000</created>
                <updated>Tue, 13 Jun 2023 10:20:10 +0000</updated>
                            <resolved>Tue, 13 Jun 2023 06:08:22 +0000</resolved>
                                                                        <due></due>
                            <votes>0</votes>
                                    <watches>2</watches>
                                                                <comments>
                            <comment id="33091" author="yuki.moritani" created="Tue, 13 Jun 2023 10:20:09 +0000"  >&lt;p&gt;Comment by Mira Sarkis on 2022-02-01 15:50:35:&lt;br/&gt;
Je confirme que le temps de traitement de Haprior est double que le traitement des stronglinepriors:&lt;br/&gt;
Sur 12 spectres pfs, on passe de 33 secondes (stronglinepriors activ&#233;) &#224; 82 secondes (Haprior activ&#233;) par spectre, sur cpu_4216.&lt;br/&gt;
Note que c&apos;est de 34 sec avec le prior EuclidHa.&lt;/p&gt;

&lt;ul&gt;
	&lt;li&gt;PFS7: no Prior :  32.85275636&lt;/li&gt;
	&lt;li&gt;PFS7: Haprior :  81.93655360000001&lt;/li&gt;
	&lt;li&gt;PFS7: stronglinePrior :  33.051047319999995&lt;/li&gt;
	&lt;li&gt;PFS7: EuclidHaprior  :  34.071445319999995&lt;/li&gt;
&lt;/ul&gt;


&lt;p&gt;Pour les prior Halpha, il y a une &#233;tape en plus dans ::BuildChisquareArray qui sert &#224; chercher la raie la plus forte en amplitude et puis de verifier si c&apos;est Halpha. Il s&apos;agit d&apos;une boucle sur la grille fine en z (17820 valeurs pour euclid) et puis une autre boucle sur les raies (53 raies par e.g) et ceci pour tous les tplratios (130 au total).&lt;/p&gt;

&lt;p&gt;Le fait de basculer cette recherche au moment du fitting des tplratio, nottament pour la firstpass, r&#233;duit le temps de traitement surtout que la grille de la firstpass (1620 z + 5*200 pour intervalles secondpass) est beaucoup plus petite que celle de la grille fine.&lt;br/&gt;
Sur le meme subset de pfs7, cette solution r&#233;duit le temps de traitement &#224; 36 sec avec haprior activ&#233;.&lt;/p&gt;

&lt;p&gt;Note that no variation with Haprior exists in IT!&lt;/p&gt;</comment>
                            <comment id="33092" author="yuki.moritani" created="Tue, 13 Jun 2023 10:20:10 +0000"  >&lt;p&gt;Comment by Mira Sarkis on 2022-02-03 13:13:58:&lt;br/&gt;
Added a new IT with haprior activated, for one se8 spectra whose best redshift = 1.379, ie., in the visible range of Halpha.&lt;/p&gt;

&lt;p&gt;Dataset-param merge-request: &lt;br/&gt;
&lt;a href=&quot;https://gitlab.lam.fr/amazed/dataset-parameters/-/merge_requests/14&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://gitlab.lam.fr/amazed/dataset-parameters/-/merge_requests/14&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Lib merge-request:&lt;br/&gt;
&lt;a href=&quot;https://gitlab.lam.fr/CPF/cpf-redshift/-/merge_requests/265/commits&quot; class=&quot;external-link&quot; rel=&quot;nofollow&quot;&gt;https://gitlab.lam.fr/CPF/cpf-redshift/-/merge_requests/265/commits&lt;/a&gt;&lt;/p&gt;</comment>
                            <comment id="33093" author="yuki.moritani" created="Tue, 13 Jun 2023 10:20:10 +0000"  >&lt;p&gt;Comment by Pierre-yves Chabaud on 2022-02-22 08:25:12:&lt;br/&gt;
Merged into @develop@ : @3799de1@&lt;/p&gt;</comment>
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