User: barry.wardell Date: 2016/06/05 05:05 PM

Modified: /about/gallery/gw150914/ index.php, stats.m

Log: gw150914: Get more stats from the simulation

File Changes:

Directory: /about/gallery/gw150914/ ===================================

File [modified]: index.php Delta lines: +7 -6 =================================================================== --- about/gallery/gw150914/index.php 2016-06-05 22:05:41 UTC (rev 1535) +++ about/gallery/gw150914/index.php 2016-06-05 22:05:46 UTC (rev 1536) @@ -2,6 +2,10 @@ include_once($_SERVER['DOCUMENT_ROOT'].'/global/header.php');?> <script type="text/javascript" src="/global/jwplayer/jwplayer.js"></script>

+ <?php + $sim_stats = json_decode(file_get_contents("stats.json"), true); + ?> + <p>As observed by LIGO; the first detection of gravitational waves</p>

<p>This simulation shows how to evolve a binary black hole system for the last 6 orbits through to merger. </p> @@ -20,16 +24,13 @@ <h4>Physical properties</h4> <table> <tr><th>Number of orbits</th><td>6</td></tr> - <tr><th>Time to merger</th><td>900 M</td></tr> - <tr><th>Mass of final BH</th><td></td></tr> - <tr><th>Spin of final BH</th><td></td></tr> + <tr><th>Time to merger</th><td><?php echo $sim_stats['MergerTime']?> M</td></tr> + <tr><th>Mass of final BH</th><td><?php echo $sim_stats['FinalMass']?> M</td></tr> + <tr><th>Spin of final BH (dimensionless)</th><td><?php echo $sim_stats['FinalSpin']?></td></tr> </table> </div>

<h4>Computational details</h4> - <?php - $sim_stats = json_decode(file_get_contents("stats.json"), true); - ?></p> <table> <tr><th>Parameter file</th><td><a href="GW150914.rpar">GW150914.rpar</a></td></tr> <tr><th>Thornlist</th><td><a href="GW150914.th">GW150914.th</a> (Llama multi-block code added to ET release version)</td></tr>

File [modified]: stats.m Delta lines: +7 -1 =================================================================== --- about/gallery/gw150914/stats.m 2016-06-05 22:05:41 UTC (rev 1535) +++ about/gallery/gw150914/stats.m 2016-06-05 22:05:46 UTC (rev 1536) @@ -16,11 +16,17 @@ cost = cores walltimeHours; processes = cores/8; totalMemory = processes*Max[ReadSimulationAverageMemoryUsage[sim]]; +finalMass = Last[ReadBlackHoleMass[sim, 3]]; +finalSpin = Last[ReadBlackHoleSpin[sim, 3][[3]]] / finalMass^2; +tCAH = MinCoordinate[ReadBlackHoleMass[sim, 3]];

stats = {"CostInCoreHours" -> Round[cost], "Runtime" -> ToString@NumberForm[walltimeDays,{Infinity,1}], "Cores" -> cores, - "TotalMemory" -> Round[totalMemory/1024]}; + "TotalMemory" -> Round[totalMemory/1024], + "MergerTime" -> Round[tCAH], + "FinalMass" -> ToString@NumberForm[finalMass,{Infinity,2}], + "FinalSpin" -> ToString@NumberForm[finalSpin,{Infinity,2}]};

Export["stats.json", stats];