The Portals 4.2 Network Programming Interface

Technical Report · Thu Nov 01 00:00:00 EDT 2018

DOI:https://doi.org/10.2172/1489622· OSTI ID:1489622

Barrett, Brian W. ^[1]; Brightwell, Ronald B. ^[1]; Grant, Ryan E. ^[1]; Hemmert, Karl Scott ^[1]; Pedretti, Kevin ^[1]; Wheeler, Kyle ^[1]; Underwood, Keith ^[2]; Riesen, Rolf ^[2]; Hoefler, Torsten ^[3]; Maccabe, Arthur B. ^[4]; Hudson, Trammell ^[5]

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1. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
2. Intel Corp., Santa Clara, CA (United States)
3. Eidgenoessische Technische Hochschule (ETH), Zurich (Switzerland)
4. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
5. Two Sigma Investments, New York, NY (United States)

This report presents a specification for the Portals 4 network programming interface. Portals 4 is intended to allow scalable, high-performance network communication between nodes of a parallel computing system. Portals 4 is well suited to massively parallel processing and embedded systems. Portals 4 represents an adaption of the data movement layer developed for massively parallel processing platforms, such as the 4500-node Intel TeraFLOPS machine. Sandia's Cplant cluster project motivated the development of Version 3.0, which was later extended to Version 3.3 as part of the Cray Red Storm machine and XT line. Version 4 is targeted to the next generation of machines employing advanced network interface architectures that support enhanced offload capabilities.

• Research Organization: Sandia National Lab. (SNL-NM), Albuquerque, NM (United States); Sandia National Lab. (SNL-CA), Livermore, CA (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• DOE Contract Number: AC04-94AL85000; NA0003525
• OSTI ID: 1489622
• Report Number(s): SAND-2018-12790; 671130
• Country of Publication: United States
• Language: English

Related Subjects

97 MATHEMATICS AND COMPUTING