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</o:shapelayout></xml><![endif]--></head><body lang=ZH-CN link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hi Jim,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks for your suggestion. I tested with a smaller dataset: 512 </span>×<span lang=EN-US> 512 </span>×<span lang=EN-US> 75 and it worked. No crash occurred. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Best regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Xiaopeng<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jim Miller [mailto:millerjv@gmail.com] <br><b>Sent:</b> Saturday, December 06, 2014 12:50 PM<br><b>To:</b> Xiaopeng Yang<br><b>Cc:</b> John Drescher; Insight-Users@Itk. Org<br><b>Subject:</b> Re: [ITK-users] GPU Implementation<o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><div><p class=MsoNormal><span lang=EN-US>I'd start by using a smaller dataset. Perhaps downsample your dataset to 256x256x150 to see if that works on your card. <br><br>Jim<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br>On Dec 5, 2014, at 8:39 PM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>> wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Hi Jim,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>So you mean I need to change graphics card or set some parameters? How to allocate the memory of graphics card? </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Thanks,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Xiaopeng</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jim Miller [<a href="mailto:millerjv@gmail.com">mailto:millerjv@gmail.com</a>] <br><b>Sent:</b> Saturday, December 06, 2014 10:11 AM<br><b>To:</b> Xiaopeng Yang<br><b>Cc:</b> John Drescher; Insight-Users@Itk. Org<br><b>Subject:</b> Re: [ITK-users] GPU Implementation</span><span lang=EN-US><o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>I estimate that you would need over 2GB on your graphics card to run the demons algorithm on that size of a dataset. <br><br>Jim<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br>On Dec 5, 2014, at 6:45 PM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>> wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Dear Jim,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>The images are quite large: 512 * 512 *300. </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>I did not build test when I compile ITK.</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Thanks,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Xiaopeng</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Jim Miller [<a href="mailto:millerjv@gmail.com">mailto:millerjv@gmail.com</a>] <br><b>Sent:</b> Friday, December 05, 2014 11:15 PM<br><b>To:</b> Xiaopeng Yang<br><b>Cc:</b> John Drescher; Insight-Users@Itk. Org<br><b>Subject:</b> Re: [ITK-users] GPU Implementation</span><span lang=EN-US><o:p></o:p></span></p></div></div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>How large are the images that you are using?<br><br>Jim<o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US><br>On Dec 5, 2014, at 2:43 AM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr">yxp233@postech.ac.kr</a>> wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Hi John,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Sorry I mean the program got crashed after showing #define T float. </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Thanks,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Xiaopeng</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> John Drescher [<a href="mailto:drescherjm@gmail.com">mailto:drescherjm@gmail.com</a>] <br><b>Sent:</b> Friday, December 05, 2014 4:24 PM<br><b>To:</b> Xiaopeng Yang<br><b>Cc:</b> Jim Miller; Insight-Users@Itk. Org<br><b>Subject:</b> Re: [ITK-users] GPU Implementation</span><span lang=EN-US><o:p></o:p></span></p></div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p><div><p class=MsoNormal><span lang=EN-US>On Fri, Dec 5, 2014 at 12:41 AM, Xiaopeng Yang <<a href="mailto:yxp233@postech.ac.kr" target="_blank">yxp233@postech.ac.kr</a>> wrote:<o:p></o:p></span></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Dear Jim,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Thanks for your help. I built the test successfully, but I met an error when I run the program. Please see the attached image file. </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Best,</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'>Xiaopeng</span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'><image001.png></span><span lang=EN-US><o:p></o:p></span></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#44546A'> </span><span lang=EN-US><o:p></o:p></span></p></div></div></div><p class=MsoNormal><span lang=EN-US> <o:p></o:p></span></p></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span lang=EN-US>Is that an error? <o:p></o:p></span></p></div><div><p class=MsoNormal><span lang=EN-US>John <o:p></o:p></span></p></div></div></div></blockquote></div></blockquote></div></blockquote></div></body></html>