Hi Guo, Firstable, this is a mailing list, I remember you few concepts (and for other people) :    - Your questions will have more chance to be answered if you post it on this mailing list.    - The aim is to gather more and more answers to any questions (so everybody could make benefits of these informations).    - You don't have to be ashamed to ask questions, as stupid as they could be (Moreover your first question is very interesting for everybody).    - Personal mails are boring for everybody. Sorry for that ... But you surely could understand it. <div>2007/12/11, 郭宁 <<a href="mailto:guoning0225@gmail.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">guoning0225@gmail.com</a>>:<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hi Simon， Sorry for bothering you again,I have two questions here and I need your help. One is about the cluster mode running on the 64 bits. The result comes from the gjs tool (such as 10 parts )is different from that running without cluster mode.For example ,the trus=3005175(gjm 10 jobsplitters)  compared with the trues=4497724(without jobsplitter). But with the same simulation on the 32 bits , dispersion (with and without the cluster mode running) doesn't appear to be in evident.I 'm wondering what's the problem ,could you give me some explanation.</blockquote><div> I don't have answer for this question but  Jan De Beenhouwer could perhaps comment it. </div> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">The other question is about the ASCII root output . I've no idea what does the XYZ position exactly refer to and what is the difference of that in the gateHits.dat(column N+8,N+9.N+10) and that in the gateCoincidence.dat(column 4 to 6).</blockquote><div> There is a user manual (even it could have some gaps), so read the informations, that just what I have done and so I could answer your question ... In gateHits.dat, column N+8,+9,+10 are the cartesian coordinates of the position of the hit when detected. And in the gateCoincidence.dat, column 4 to 6 are the cartesian coordinates of the position of the annihilation that produced the first single. </div> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">ALso I want to know  what information can we get from  the Time stamp .</blockquote> <div> I just suppose that this is the relative time info (from the beginning of your simulation) when the hit is detected because I ask myself what it could be else ... </div> <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Thank you very much. Best regards                             Guo </blockquote></div> You are welcome, Simon