R
Roger Espasa
Researcher at Intel
Publications - 30
Citations - 1658
Roger Espasa is an academic researcher from Intel. The author has contributed to research in topics: Operand & SIMD. The author has an hindex of 12, co-authored 30 publications receiving 1628 citations.
Papers
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Journal ArticleDOI
Larrabee: a many-core x86 architecture for visual computing
Larry D. Seiler,Doug Carmean,Eric Sprangle,Tom Forsyth,Michael Abrash,Pradeep Dubey,Stephen Junkins,Adam T. Lake,Jeremy Sugerman,Robert Dale Cavin,Roger Espasa,Ed Grochowski,Toni Juan,Pat Hanrahan +13 more
TL;DR: This article consists of a collection of slides from the author's conference presentation, some of the topics discussed include: architecture convergence; Larrabee architecture; and graphics pipeline.
Journal ArticleDOI
Larrabee: A Many-Core x86 Architecture for Visual Computing
Larry D. Seiler,Douglas M. Carmean,Eric Sprangle,Tom Forsyth,Pradeep Dubey,Stephen Junkins,Adam T. Lake,Robert Dale Cavin,Roger Espasa,Edward T. Grochowski,Toni Juan,Michael Abrash,Jeremy Sugerman,Pat Hanrahan +13 more
TL;DR: 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, which increases the architecture's programmability as compared to standard GPUs.
Journal ArticleDOI
Tarantula: a vector extension to the alpha architecture
Roger Espasa,Federico Ardanaz,Joel Emer,Stephen Felix,Julio Gago,Roger Gramunt,Isaac Hernandez,Toni Juan,Geoff Lowney,Matthew Mattina,André Seznec +10 more
TL;DR: Tarantula is an aggressive floating point machine targeted at technical, scientific and bioinformatics workloads that fully integrates into a virtual-memory cache-coherent system without changes to its coherency protocol, and achieves excellent "real-computation" per transistor and per watt ratios.
Proceedings ArticleDOI
Shader Performance Analysis on a Modern GPU Architecture
TL;DR: The evaluated unified shader architecture proves to be 15% to 30% more efficient, in terms of area, with a 2% to 7% improvement in performance when compared with a similar nonunified architecture.
Patent
Method, system, and apparatus for page sizing extension
TL;DR: In this paper, a fixed plurality of page table entries for a fixed number of pages in memory, each page having a first size, where a linear address for each page table entry corresponds to a physical address and the pages are aligned.