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DTSTART;TZID=America/Denver:20231113T095500
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UID:submissions.supercomputing.org_SC23_sess448_ws_canolt111@linklings.com
SUMMARY:Lightweight Isolation for HPC Applications
DESCRIPTION:Mohak Chadha (Technical University of Munich)\n\nContainerizat
 ion approaches based on namespaces offered by the Linux kernel have seen a
 n increasing popularity in the HPC community both as a means to isolate ap
 plications and as a format to package and distribute them. However, their 
 adoption and usage in HPC systems faces several challenges. These include 
 difficulties in unprivileged running and building of scientific applicatio
 n container images directly on HPC resources, increasing heterogeneity of 
 HPC architectures, and access to specialized networking libraries availabl
 e only on HPC systems. These challenges of container-based HPC application
  development closely align with the several advantages that a new universa
 l intermediate binary format called WebAssembly (Wasm) has to offer. These
  include a lightweight userspace isolation mechanism and portability acros
 s operating systems and processor architectures. This talk highlights the 
 potential of using Wasm for packaging and distributing HPC applications an
 d describes MPIWasm, a novel Wasm embedder that enables the high-performan
 ce execution of MPI-based HPC applications compiled to Wasm.\n\nRegistrati
 on Category: Workshop Reg Pass\n\nSession Chairs: Richard Shane Canon (Law
 rence Berkeley National Laboratory (LBNL)); Alberto Madonna (ETH Zürich, S
 wiss National Supercomputing Centre (CSCS)); Laurie A. Stephey (Lawrence B
 erkeley National Laboratory (LBNL), National Energy Research Scientific Co
 mputing Center (NERSC)); and Andrew Younge (Sandia National Laboratories)\
 n\n
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