![Infiniband results, displayed visually](/sites/default/files/styles/front_page_card/public/infiniband-llnl-project-card.png?itok=3yJPTXAw)
InfiniBand
Livermore Computing staff is enhancing the high-speed InfiniBand data network used in many of its high performance computing and file systems.
![MPI_T logo](/sites/default/files/styles/front_page_card/public/mpi_t-llnl-project-card.png?itok=36VnqZ81)
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 logo](/sites/default/files/styles/front_page_card/public/cram-llnl-project-card.png?itok=RWMOUnGb)
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.
![Lori standing next to the ECP logo with text overlay of her name and new role](/sites/default/files/styles/front_page_card/public/2023-05/lori-diachin-ecp-director.png?itok=8Ih1lK2B)
LLNL’s Diachin takes helm of DOE’s Exascale Computing Project
Lori Diachin will take over as director of the DOE’s Exascale Computing Project on June 1, guiding the successful, multi-institutional high performance computing effort through its final stages.
![ECP logo](/sites/default/files/styles/front_page_card/public/2023-05/ecp-podcast-bronis.png?itok=stI0YBQa)
Podcast: Siting the El Capitan exascale supercomputer
Livermore CTO Bronis de Supinski joins the Let's Talk Exascale podcast to discuss the details of LLNL's upcoming exascale supercomputer.
![Variorum team standing outside B453 with text overlay "enabling energy efficiency in HPC"](/sites/default/files/styles/front_page_card/public/2023-05/variorum-video-comp-news.png?itok=-aImFnkF)
Video: Vendor-agnostic power management
Variorum provides robust, portable interfaces that allow us to measure and optimize computation at the physical level: temperature, cycles, energy, and power. With that foundation, we can get the best possible use of our world-class computing resources.