Larrabee: A Many-Core x86 Architecture for Visual Computing

  • Authors:
  • Larry Seiler;Doug Carmean;Eric Sprangle;Tom Forsyth;Pradeep Dubey;Stephen Junkins;Adam Lake;Robert Cavin;Roger Espasa;Ed Grochowski;Toni Juan;Michael Abrash;Jeremy Sugerman;Pat Hanrahan

  • Affiliations:
  • Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;Intel Corporation;RAD Game Tools;Stanford University;Stanford University

  • Venue:
  • IEEE Micro
  • Year:
  • 2009

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Abstract

The Larrabee many-core visual computing architecture uses multiple in-order x86 cores augmented by wide vector processor units, together with some fixed-function logic. This increases the architecture's programmability as compared to standard GPUs. The article describes the Larrabee architecture, a software renderer optimized for it, and other highly parallel applications. The article analyzes performance through scalability studies based on real-world workloads. DOI of original article is available at: http://doi.acm.org/10.1145/1399504.1360617