On Wed, May 08, 2013 at 05:00:27PM +0200, Paolo Giannozzi wrote: > On Wed, 2013-05-08 at 15:09 +0200, Henning Glawe wrote: > > As far as I understand the code, all IO to outdir is performed via IOTK; > > actually only "small" xml files and files in "collected" format are > written using iotk (the latter, in binary format). Large temporary > scratch files are written using plain binary fortran I/O.
Ok. This complicates the issue a bit. In any case, the performance problems are mainly related to having 'many' files, not 'big' files. > Anyway: is your problem solved? if not, please specify what you need > data file for. Basically just for running some code patched into pp.x. -- Mit freundlichen Gr??en Henning Glawe Max-Planck-Institut f?r Mikrostrukturphysik Weinberg 2, 06120 Halle (Saale), Germany http://www.mpi-halle.de/~theory Phone: +49-345-5582-613 Fax: +49-345-5511223 Email: glawe at mpi-halle.de