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SXM may refer to:

As an abbreviation:

  • SXM (computational model), model for a Stream X-Machine
  • SXM (transactional memory), a software under development at Microsoft Research
  • Scanning X-ray Microscope (SXM), a chemical analysis method
  • Sirius XM Radio (Stock Symbol SXM), a company that provides satellite radio services
  • Starbury SXM, a basketball shoe also called an SXM
  • SxM (album), a 1994 album by hip-hop band Sangue Misto
  • SxM (SAM, SCM, SEM, etc.), formats of scanning microscope image handled by Image SXM
  • sxm, suffix of math files from StarOffice's StarMath (version 1–7)
  • sxm, suffix of math files from XML (version 1)

As a code:

  • Princess Juliana International Airport, Sint Maarten, island of Saint Martin, IATA code SXM
  • Sint Maarten, ISO 3166-1 alpha-3 code SXM
  • Sint Maarten national football team, FIFA code SXM
  • Servicios Aéreos Especializados Mexicanos, airline based in Mexico, ICAO code SXM

As a company:

  • SXM inc, a digital studio producing online entertainment for brands
SXM (transactional memory)

SXM is a software transactional memory system under development at Microsoft Research. The SXM API is exposed via managed code and is used to synchronize access to shared memory without using locks. It achieves mutual exclusion using database-like atomicity transactions. SXM uses the Reflection and dynamic code generation capabilities of .NET Framework to emit CIL code to enable atomic transactions on shared data structures directly at runtime. SXM has been written in C#.