On 6/5/08, Etienne PERCHAT <etienne.perchat at transvalor.com> wrote: > The behavior is not very clear: v2.3.3p8 is generally slower (10 % or > more) but on some systems it happen to be really faster (may be 40 %).
Which compilers are you using in your different systems? If they are the same, Are their versions the same? I've noticed surprising differences for different versions of GCC in builtin PETSc factorization routines, more specifically LU. -- Lisandro Dalc?n --------------- Centro Internacional de M?todos Computacionales en Ingenier?a (CIMEC) Instituto de Desarrollo Tecnol?gico para la Industria Qu?mica (INTEC) Consejo Nacional de Investigaciones Cient?ficas y T?cnicas (CONICET) PTLC - G?emes 3450, (3000) Santa Fe, Argentina Tel/Fax: +54-(0)342-451.1594
