<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi All,<div class=""><br class=""></div><div class=""> Minutes from this morning’s L3 meeting are now posted on the meeting page and copied below. Please</div><div class="">edit as appropriate.</div><div class=""><br class=""></div><div class=""><a href="https://halldweb.jlab.org/wiki/index.php/GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016" class="">https://halldweb.jlab.org/wiki/index.php/GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016</a></div><div class=""><br class=""></div><div class="">Have a great weekend!</div><div class="">-David</div><div class=""><br class=""></div><div class=""><h1 style="font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 23.876px; font-family: sans-serif; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: 19.05px; widows: 1; background-image: none; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;" class=""><span class="mw-headline" id="Minutes">Minutes</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016&action=edit§ion=6" title="Edit section: Minutes" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h1><div style="margin: 0.4em 0px 0.5em; line-height: 19.05px; font-family: sans-serif; font-size: 12.7px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; widows: 1; background-color: rgb(255, 255, 255);" class="">Attendees: David L., Simon T., Adesh S., Cristiano F., Curtis M., Justin S., Eugene C., Sean D., Beni Z.</div><h2 style="font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19.05px; font-family: sans-serif; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: 19.05px; widows: 1; background-image: none; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;" class=""><span class="mw-headline" id="Announcements">Announcements</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016&action=edit§ion=7" title="Edit section: Announcements" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ul style="line-height: 19.05px; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=); font-family: sans-serif; font-size: 12.7px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; widows: 1; background-color: rgb(255, 255, 255);" class=""><li style="margin-bottom: 0.1em;" class="">Current meeting time overlaps with JLab seminar (when they occur). It would be preferable to move it out of conflict with this time.</li><li style="margin-bottom: 0.1em;" class="">Time was chose to be same as DIRC meeting time so those involved with both meetings could have one at the same time every week.</li><li style="margin-bottom: 0.1em;" class="">Some time constraints on DIRC participants from Germany and Indiana. Justin will suggest 9:00am on Thursdays. Regardless, they will determine a time and communicate it to us and we will likely shift to then as well.</li></ul><h2 style="font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19.05px; font-family: sans-serif; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: 19.05px; widows: 1; background-image: none; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;" class=""><span class="mw-headline" id="Benchmarking_Status">Benchmarking Status</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016&action=edit§ion=8" title="Edit section: Benchmarking Status" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ul style="line-height: 19.05px; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=); font-family: sans-serif; font-size: 12.7px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; widows: 1; background-color: rgb(255, 255, 255);" class=""><li style="margin-bottom: 0.1em;" class="">Not much signifcant progress since last time</li><li style="margin-bottom: 0.1em;" class="">Started looking at filtering out non-physics events when benchmarking. Preliminary results seemed to indicate no significant change in the profiling times.</li><li style="margin-bottom: 0.1em;" class="">Still large discrepancy between processing of simulated and real data. Cristiano will continue to pursue it</li></ul><h2 style="font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19.05px; font-family: sans-serif; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: 19.05px; widows: 1; background-image: none; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;" class=""><span class="mw-headline" id="EVIO_Processing">EVIO Processing</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016&action=edit§ion=9" title="Edit section: EVIO Processing" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ul style="line-height: 19.05px; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=); font-family: sans-serif; font-size: 12.7px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; widows: 1; background-color: rgb(255, 255, 255);" class=""><li style="margin-bottom: 0.1em;" class="">Steady state event processing rates in thread configuration space was mapped.</li><li style="margin-bottom: 0.1em;" class="">Motivated by "Parsing Only" case where unexplained drop was seen from 12kHz to 8kHz</li><li style="margin-bottom: 0.1em;" class="">Map shows a clear optimal region (~14 parsing threads and 18 processing threads) where close to 13kHz is maintained</li><li style="margin-bottom: 0.1em;" class="">Similar exercise done for Wire-based tracking and Time-based tracking. Neither of these showed an optimal region<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url("data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=");" class=""><li style="margin-bottom: 0.1em;" class="">Highest rates need full complement (32) of JANA processing threads</li><li style="margin-bottom: 0.1em;" class="">Wire-based tracking required at least 3 EVIO parsing threads to reach maximum rate</li></ul></li><li style="margin-bottom: 0.1em;" class="">Will need to repeat exercise after MVA is developed to determine optimal thread configuration.</li><li style="margin-bottom: 0.1em;" class="">Maximum single Ivy Bridge node rate (no parsing, no linking) was ~13kHz</li><li style="margin-bottom: 0.1em;" class="">Maximum single Ivy Bridge node rate when Wire-based tracking enabled was ~600Hz</li><li style="margin-bottom: 0.1em;" class="">Expect final algorithm to be at least as fast as WBT<ul style="line-height: 1.5em; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url("data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=");" class=""><li style="margin-bottom: 0.1em;" class="">(this would require <50 Ivy Bridge nodes)</li></ul></li></ul><h2 style="font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19.05px; font-family: sans-serif; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: 19.05px; widows: 1; background-image: none; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;" class=""><span class="mw-headline" id="SImulation">SImulation</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016&action=edit§ion=10" title="Edit section: SImulation" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ul style="line-height: 19.05px; list-style-type: square; margin: 0.3em 0px 0px 1.6em; padding: 0px; list-style-image: url(data:image/gif;base64,R0lGODlhBQANAIAAAGOMnP///yH5BAEAAAEALAAAAAAFAA0AAAIJjI+pu+APo4SpADs=); font-family: sans-serif; font-size: 12.7px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; widows: 1; background-color: rgb(255, 255, 255);" class=""><li style="margin-bottom: 0.1em;" class="">Issue with first round of L3 simulated data set due to FCAL calibration constant configration.</li><li style="margin-bottom: 0.1em;" class="">Adesh has fixed the issue and is generating data set</li><li style="margin-bottom: 0.1em;" class="">Eugene noted that we need to start looking critically at how well the simulation matches the real data. This will be crucial for any trigger simulation.</li><li style="margin-bottom: 0.1em;" class="">Sean said that Mark I. is in charge of producing a large data set with E<sub style="line-height: 1;" class="">γ</sub>>3GeV and the individual detector groups will bear responsibility for comparing it to real data.</li><li style="margin-bottom: 0.1em;" class="">It was noted that Alex S. is working on more detailed L1 trigger emulation using data from the RCDB.</li></ul><h2 style="font-weight: normal; margin: 0px 0px 0.6em; overflow: hidden; padding-top: 0.5em; padding-bottom: 0.17em; border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: rgb(170, 170, 170); font-size: 19.05px; font-family: sans-serif; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; line-height: 19.05px; widows: 1; background-image: none; background-color: rgb(255, 255, 255); background-position: initial initial; background-repeat: initial initial;" class=""><span class="mw-headline" id="Action_Items">Action Items</span><span class="mw-editsection" style="-webkit-user-select: none; font-size: small; margin-left: 1em; vertical-align: baseline; line-height: 1em; display: inline-block;"><span class="mw-editsection-bracket">[</span><a href="https://halldweb.jlab.org/wiki/index.php?title=GlueX_Level-3_Trigger_Meeting,_Jun_24,_2016&action=edit§ion=11" title="Edit section: Action Items" style="text-decoration: none; color: rgb(90, 54, 150); background: none;" class="">edit</a><span class="mw-editsection-bracket">]</span></span></h2><ol style="line-height: 19.05px; margin: 0.3em 0px 0px 3.2em; padding: 0px; list-style-image: none; font-family: sans-serif; font-size: 12.7px; font-variant-ligatures: normal; font-variant-position: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; widows: 1; background-color: rgb(255, 255, 255);" class=""><li style="margin-bottom: 0.1em;" class="">Identify new meeting time for DIRC meeting that doesn't conflict with JLab seminar (Justin)</li><li style="margin-bottom: 0.1em;" class="">Post slides shown at June 10th meeting on benchmarking (Cristiano)</li><li style="margin-bottom: 0.1em;" class="">Compare charged tracks from real data and simulation (Adesh)</li><li style="margin-bottom: 0.1em;" class="">Test playback of real data using DAQ system in hall and specialized ROL (David, Adesh)</li><li style="margin-bottom: 0.1em;" class="">Find and report on some early work on classifying real data events as reconstructable or not. (David)</li></ol><div class=""><br class=""></div></div></body></html>