Arguments cause headaches

Posted on 27 August 2014 by Thomas Green

Having spent some time taking a look at a problem for a researcher where a program would quit with the dreaded: Segmentation fault (core dumped) It led to a common problem of argument chasing. Fortran arguments Fortran (unlike C) by default passes arguments by memory address (i.e. pointers).    This speeds up performance since it does
Read more

Hello world!

Posted on 22 August 2014 by Thomas Green

Welcome to the ARCCA-scope This blog is brought to you by ARCCA, Advanced Research Computing at Cardiff.  We hope to bring you – a Cardiff University researcher or someone who is interested in how computing can help with research – information to help you explore the world of computing and get you on your way
Read more