<html><head></head><body><div class="ydp86aee235yahoo-style-wrap" style="font-family: courier new, courier, monaco, monospace, sans-serif; font-size: 13px;"><div><div>Hello Tyrone,</div><div><br></div><div>A solution to your problem may probably be to run 10 different simulations of 10^9 and then sum your outcomes (e.g. sum images). Finally, you will have the result of a simulation with 10^10 histories.</div><div><br></div><div><br></div><div>Regards,</div><div>Konstantinos</div><div><br></div><div class="ydp86aee235signature"><div style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;"><span style="font-style:italic;">-----------------------------------------------------</span></div><span style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;font-style:italic;"> Konstantinos Chatzipapas<br> Medical Physicist, </span><span style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;font-style:italic;">MSc<br></span><div style="color:rgb(0, 0, 0);font-family:Arial;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;orphans:2;text-indent:0px;text-transform:none;white-space:normal;widows:2;word-spacing:0px;"><div><span style="font-style:italic;"> <span style="font-weight:bold;">University of Patras</span></span></div><div><div><span style="font-style:italic;"><br></span></div><div><span style="font-style:italic;"><span class="ydp86aee235Apple-tab-span" style="white-space: pre-wrap;"> </span> web page:<span class="ydp86aee235Apple-converted-space"> </span><a href="http://www.physicsmag.com/" rel="nofollow" target="_blank">Physics Magazine</a></span></div></div></div></div></div>
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Στις Τετάρτη, 31 Οκτωβρίου 2018, 11:27:03 π.μ. EET, ο χρήστης Maxime Chauvin <maxime.chauvin@inserm.fr> έγραψε:
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<div><div id="yiv8799258223"><div>Dear Tyrone Te Ruruku,<div class="yiv8799258223"><br class="yiv8799258223"></div><div class="yiv8799258223">I have never seen that number before, it may be that you hit the memory limit of your computer and it stops.</div><div class="yiv8799258223"><br class="yiv8799258223"></div><div class="yiv8799258223">On another note, the number 10^10 of primaries you are trying to simulate will not work because of a Geant4/GATE limitation due to the coding of that integer number in signed 32 bits. The maximum number you can set is 2^32/2 = 2147483648 primaries.</div><div class="yiv8799258223"><br class="yiv8799258223"></div><div class="yiv8799258223">Good luck with your simulations,</div><div class="yiv8799258223"> Maxime Chauvin</div><div class="yiv8799258223"><div><br class="yiv8799258223"><blockquote type="cite" class="yiv8799258223"><div class="yiv8799258223">On 30 Oct 2018, at 21:53, Tyrone Te Ruruku <<a rel="nofollow" ymailto="mailto:Tyrone.TeRuruku@waikatodhb.health.nz" target="_blank" href="mailto:Tyrone.TeRuruku@waikatodhb.health.nz" class="yiv8799258223">Tyrone.TeRuruku@waikatodhb.health.nz</a>> wrote:</div><div class="yiv8799258223"><pre style="font-size:12px;font-style:normal;font-weight:normal;letter-spacing:normal;text-indent:0px;text-transform:none;word-spacing:0px;text-decoration:none;" class="yiv8799258223"></pre><div class="yiv8799258223WordSection1" style="font-family:Helvetica;font-size:12px;font-style:normal;font-weight:normal;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;"><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223">Hello all,</div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"> </div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223">I am trying to run a simulation with a large number of histories. Every time I run my mac file the simulation stops before executing all the primaries. I have stated in my mac file to run<span class="yiv8799258223Apple-converted-space"> </span><a rel="nofollow" style="color:purple;text-decoration:underline;" class="yiv8799258223">10000000000</a><span class="yiv8799258223Apple-converted-space"> </span>but it always stops at<span class="yiv8799258223Apple-converted-space"> </span><a rel="nofollow" style="color:purple;text-decoration:underline;" class="yiv8799258223">1410065408</a>. Does anyone know why this is might be happening?</div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"> </div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223">Naku noa,</span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><b class="yiv8799258223"><span class="yiv8799258223">Tyrone Te Ruruku</span></b></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223">Medical Physics Registrar</span><span class="yiv8799258223"></span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223">Medical Physics (Kaiahupūngao Whakaora) | Lomas Building | Waikato DHB</span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"><span class="yiv8799258223"> </span></div><div style="margin:0cm 0cm 0.0001pt;font-size:11pt;font-family:Calibri, sans-serif;" class="yiv8799258223"> </div></div><span style="font-family:Helvetica;font-size:12px;font-style:normal;font-weight:normal;letter-spacing:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;float:none;display:inline;" class="yiv8799258223">This electronic message, together with any attachments is confidential and may be privileged. 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