Director of Research (if dissertation) or Advisor (if thesis)
Hwu, Wen-Mei W.
Doctoral Committee Chair(s)
Hwu, Wen-Mei W.
Committee Member(s)
Johnson, Ralph E.
Hart, John C.
Wah, Benjamin W.
Lumetta, Steven S.
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Python
Graphics Processing Units (GPU)
Real-time Rendering
Compiler
Pointer Analysis
Abstract
Abstract Graphics processing units (GPUs) have tremendous computing power, but are hard to program. Most GPU programming languages are extremely low level; no one has run a general-purpose high-level language on a GPU. This dissertation shows how to run Python shaders on a GPU for real-time rendering. Shaders written in Python run 30,000 - 300,000 times faster than on a CPU. This is partly because GPUs are designed to run shaders and partly because of the design of PyStream, a Python compiler for the GPU. PyStream advances the state-of-the-art in pointer analysis for Python, eliminates abstraction overhead for Python, maps a language with references onto an architecture that does not support references, and uses a single code base to program both the CPU and GPU. PyStream points the way for running high-level languages on specialized architectures.
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