allinea - Now part of ARM

Oak Ridge National Laboratory

Oak Ridge National Laboratory

In the race to build the world’s fastest supercomputer, researchers need the best tools they can find. That’s why developers at the Oak Ridge Leadership Computing Facility (OLCF) are working with Allinea DDT.


As researchers scale up their code to work on the colossal OLCF machines, traditional debugging methods, such as printfs, are too time-consuming to be feasible.


Allinea DDT, which can quickly find problems, even on code running on more than 200,000 cores.

You need high-grade software tools that can scale along with your code - a debugger in particular - because when problems arise at scale, you are in a totally different universe
Joshua Ladd, Tools Project Technical Officer during the OLCF3 Project.