MPI_T
MPI_T is an interface for tools introduced in the 3.0 version of MPI. The interface provides mechanisms for tools to access and set performance and control variables that are exposed by an MPI…
Cram
Cram lets you easily run many small MPI jobs within a single, large MPI job by splitting MPI_COMM_WORLD up into many small communicators to run each job in the cram file independently.
libMSR
libMSR provides a convenient interface to access Model Specific Registers and to allow tools to utilize their full functionality.
How do supercomputers fit with strategies for sustainability?
Supercomputers broke the exascale barrier, marking a new era in processing power, but the energy consumption of such machines cannot run rampant.
A look back: Women in early computing at LLNL
LLNL’s archives recount the contributions of women who developed code during the Lab's early decades.