to install Atlas well, you should switch to "performance" CPU mode. "On demand" might produce inconsistent timings during the tuning stage. http://math-atlas.sourceforge.net/atlas_install/atlas_install.html#SECTION00032000000000000000
On Dec 18, 6:07 am, "Alexey U. Gudchenko" <p...@goodok.ru> wrote: > Sorry for my English, > > I carried out some experiments, used the system reinstalation to excuse. > > Configuration: > Ubuntu 10.10 with 2.6.35-23 kernel > 2 GB of memory > AMD Athlon II X2 245 > > Processor clock frequency is on the "On demand" mode > > $ cd /home/goodok/ta/sage-4.6 > $ ./make > > On about 0:43 minute I have the error while ATLAS was tuning > ==== > best cgemvT : ID=106, mu=1, nu=128 at 6748.29 MFLOPS > ... > make[5]: *** [res/cMVRES] > ... > ERROR 734 DURING MVTUNE!!. CHECK INSTALL_LOG/cMVTUNE.LOG FOR DETAILS. > ==== > > Then, just in case, I went to the sage-4.6 directory so that the path > pointed to sage-4.6 do not contains any soft links. > (it was /home/goodok/ta --> /home/goodok/Tools-arsenal ) > > $ cd /home/goodok/Tools-arsenal/ > $ rm -r sage-4.6 > $ tar -xf sage-4.6.tar > $ cd sage-4.6 > > I run "./make" once more. > Installation ended with success. > > ./sage shell worked normally too. > > Then I again remove "sage-4.6" dir and chage dir as at first case > $ cd /home/goodok/ta/ > $ rm -r sage-4.6 > $ tar -xf sage-4.6.tar > $ cd sage-4.6 > $ ./make > > Installation ended with success too. > > So I decided it is independent of the file system links. > I suppose that the ATLAS tuning is unstable in random. > Or may be the screen saver GLMatrix has significance for this process. > > 16.12.2010 20:48, Jan Groenewald: > > > > > > > > > Hi > > > I had ATLAS fail to build from sage-3.6 running Ubuntu 10.04.1 > > on an HP Probook 4515s with and AMD CPU (yesterday). > > > Due to time pressure I installed a prebuilt binary instead. > > Sorry, no more info. > > > regards, > > Jan -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
