Tochnog now with LAPACK band solver- Works with 64-bit systems
[email protected] Tue, 28 Sep 2010 09:47:11 -0500
| Newsgroups | gmane.comp.mathematics.tochnog.user |
|---|---|
| Message-ID | <[email protected]> |
--===============7050682580878189807== Content-Type: multipart/alternative; boundary=Apple-Mail-2-287869792 --Apple-Mail-2-287869792 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Dear Tochnogers, After continuing frustration over the inability of adjusting Superlu to = work in a 64-bit environment, I started looking for options and found = that both BLAS and LAPACK are included or are available for most modern = 64-bit systems. So I tried to incorporate the ability of using a fast = 64-bit library with Tochnog, and got it to work!!!! Atached are the standard Tochnog files with the modifications necesary = to use the LAPACK band solver dgbsv.=20 I have also included the OSX version of Tochnog which uses the = Accelerate Framework which contains BLAS and LAPACK.=20 IF YOU ARE BUILDING FOR OTHER SYSTEM, PLEASE MODIFY THE MAKEFILE AND = ADJUST IT TO INCLUDE THE LOCATION OF BLAS AND LAPACK FOR YOUR SYSTEM. I have tested and it is significantly faster than the biconjugate solver = which is the default solver. PLEASE REMEMBER ALSO THAT THE SOLUTIONS OF THE EXAMPLES IN THE MANUAL = AND WEBSITE WERE POSTED USING THE OLDER VERSION OF THE SOLVER. The Masin = version saves the solution in the element and not the nodes. To get the = same answers as shown in Tochnog's website, use=20 options_element_dof -no. The default option is -yes. Enjoy and provide us with your feedback Best regards, Fernando Lorenzo= --Apple-Mail-2-287869792 Content-Transfer-Encoding: 7bit Content-Type: text/html; charset=us-ascii <html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="font-family: arial, helvetica, clean, sans-serif; color: rgb(94, 94, 94); font-size: 13px; line-height: 16px; white-space: pre-wrap; ">Dear Tochnogers, After continuing frustration over the inability of adjusting Superlu to work in a 64-bit environment, I started looking for options and found that both BLAS and LAPACK are included or are available for most modern 64-bit systems. So I tried to incorporate the ability of using a fast 64-bit library with Tochnog, and got it to work!!!! Atached are the standard Tochnog files with the modifications necesary to use the LAPACK band solver dgbsv. I have also included the OSX version of Tochnog which uses the Accelerate Framework which contains BLAS and LAPACK. IF YOU ARE BUILDING FOR OTHER SYSTEM, PLEASE MODIFY THE MAKEFILE AND ADJUST IT TO INCLUDE THE LOCATION OF BLAS AND LAPACK FOR YOUR SYSTEM. I have tested and it is significantly faster than the biconjugate solver which is the default solver. PLEASE REMEMBER ALSO THAT THE SOLUTIONS OF THE EXAMPLES IN THE MANUAL AND WEBSITE WERE POSTED USING THE OLDER VERSION OF THE SOLVER. The Masin version saves the solution in the element and not the nodes. To get the same answers as shown in Tochnog's website, use options_element_dof -no. The default option is -yes. Enjoy and provide us with your feedback Best regards,</span><div><span class="Apple-style-span" style="font-family: arial, helvetica, clean, sans-serif; color: rgb(94, 94, 94); font-size: 13px; line-height: 16px; white-space: pre-wrap; "><br></span></div><div><span class="Apple-style-span" style="font-family: arial, helvetica, clean, sans-serif; color: rgb(94, 94, 94); font-size: 13px; line-height: 16px; white-space: pre-wrap; ">Fernando Lorenzo</span></div></body></html> --Apple-Mail-2-287869792-- --===============7050682580878189807== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------------ Start uncovering the many advantages of virtual appliances and start using them to simplify application deployment and accelerate your shift to cloud computing. http://p.sf.net/sfu/novell-sfdev2dev --===============7050682580878189807== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Tochnog-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/tochnog-users --===============7050682580878189807==--