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SESSION INFORMATION TUESDAY, MAY 15 TUESDAY, MAY 15, 09:00 (25 MINUTES) ROOM J1 S0102 Flame On: Real-Time Fire Simulation for Video Games Fire and explosions are common elements in video games and other virtual environments. We present a real-time fire simulator inspired by the paper “Directable, High-Resolution Simulation of Fire on the <strong>GPU</strong>” [Horvath and Geiger 2009], but this time implemented entirely in CUDA and targeted at adding interactive fire to video games. This talk will describe both the tricks necessary to implement an efficient fluid simulator in CUDA, and techniques for rendering the results to achieve realistic looking fire. Speaker(s): Simon Green (Senior Software Engineer, NVIDIA), Christopher Horvath (Global <strong>Technology</strong> Technical Director, Pixar) Topic(s): Computer Graphics, Computational Fluid Dynamics (Intermediate) TUESDAY, MAY 15, 09:00 (50 MINUTES) MARRIOTT BALLROOM 3 S0248 Excitements, Challenges, and Rewards In Optimizing GP<strong>GPU</strong> Kernels Learn about the excitements and challenges in optimizing CUDA kernels for the last two generations of NVIDIA GP<strong>GPU</strong>s. Autotuning, although crucially important, is merely a silver bullet to port code from one generation of <strong>GPU</strong> to another. The process required many steps: (a) architecture specific algorithms, (b) tuning algorithms, (c) finding innovative tricks to handle generic cases, (d) tweaking <strong>GPU</strong>’s internal scheduling to handle partition camping, and (e) above all, the dedication of many enthusiastic programmers. We will share our experiences and discoveries through the development of MAGMABLAS - a subset of CUDA BLAS, highly optimized for NVIDIA GP<strong>GPU</strong>s. Speaker(s): Rajib Nath (Student, University of California San Diego), Stanimire Tomov (Research Director, University of Tennessee, Knoxville) Topic(s): Algorithms & Numerical Techniques, Application Design & Porting Techniques, Supercomputing (Intermediate) TUESDAY, MAY 15, 09:00 (50 MINUTES) ROOM A8 S0268 Virtual Process Engineering - Realtime Simulation of Multiphase Systems Realtime simulation and virtual reality with quantitatively correct physics for industrial processes with multi-scale and multiphase system is once a remote dream for process engineering, but is becoming true now with CPU-<strong>GPU</strong> hybrid supercomputing. Numerical and visualization methods for such simulations on thousands of <strong>GPU</strong>s will be reported with applications in chemical and energy industries. Speaker(s): Wei Ge (Professor, Institute of Process Engineering, Chinese Academy of Sciences) Topic(s): Computational Fluid Dynamics, Molecular Dynamics, Computational Physics, Algorithms & Numerical Techniques (Advanced) TUESDAY, MAY 15, 09:00 (25 MINUTES) ROOM A7 S0296 A <strong>GPU</strong>-Enabled SPH Method for Micro and Nanofluidic Simulations With SPH methods multi-phase flows within complex geometries can be efficiently investigated. Also physical effects present in micro- and nanofluidic applications are described with little effort using the SPH methodology. In order to investigate microfluidic applications relevant to industry, large domains and high spatial resolutions are required. Therefore, a SPH method for accelerated computations on <strong>GPU</strong>s is currently developed. The code features dynamic casting of computational data into blocks of appropriate size to fit the <strong>GPU</strong> memory layout. Also tree-like data structures for efficient manipulation of particle distributions help to obtain significant performance gains on <strong>GPU</strong> hardware. Speaker(s): Daniel Gaudlitz (Research Associate, Technische Universität München) Topic(s): Computational Fluid Dynamics, Algorithms & Numerical Techniques (Intermediate) TUESDAY, MAY 15, 09:00 (25 MINUTES) ROOM J3 S0317 Compiling a Parallel Domain Specific Language to <strong>GPU</strong>s Discuss techniques for compiling Parallel DSLs to <strong>GPU</strong>s. Verilog is a Domain Specific Language for Hardware Description. Verilog users express parallelism with guarded processes similar to Occam’s guarded commands. Review Verilog semantics, and different approaches to compiling Verilog to parallel architectures and to <strong>GPU</strong>s. Discuss challenges with (a) Verilog description’s runtime behavior (b) managing process dependency. Discuss approaches and challenges in compiling a parallel DSL to CUDA C. Speaker(s): Ramesh Narayanaswamy (Principal Engineer, Synopsys Inc.) Topic(s): Electronic Design Automation, Application Design & Porting Techniques (Intermediate) TUESDAY, MAY 15, 09:00 (25 MINUTES) ROOM K S0337 High-Throughput Epistasis Screening Using <strong>GPU</strong>s Epistasis is the interaction of two or more genes in coding for a biological property. Epistasis is believed to be an important factor in an individual’s susceptibility to disease, and the search for epistasis is a major component in the development of personalized approaches to genomic medicine. Statistical tests for epistasis are typically confounded by the multiple-testing problem, that is, the aggregated loss of precision incurred through repeated hypothesis testing. One way to circumvent this problem is to simulate a false-discovery rate via resampling. We report success in using <strong>GPU</strong>s to accelerate these highly computeintensive resampling techniques. Speaker(s): Mark Seligman (Senior Scientist, Insilicos LLC) Topic(s): Bioinformatics, Life Sciences, Supercomputing, Cloud Computing (Intermediate) TUESDAY, MAY 15, 09:00 (50 MINUTES) ROOM A2 S0395 <strong>GPU</strong> Enablement in Adobe Photoshop Photoshop is one of the most popular products in history. It attempts to delight the customers with an immersive experience. Since CS4, Adobe has been tapping into the horsepower of the <strong>GPU</strong> to create a compelling playground for the imaginations of creative pros. Please join us to review the latest developments on how <strong>GPU</strong>s have been an enabling force. Speaker(s): Jeff Chien (Adobe Systems), Jerry Harris (Senior Computer Scientist II, Adobe Systems) Topic(s): Digital Content Creation & Film, Audio, Image and Video Processing (Beginner) 27 CONFERENCE GUIDE TUESDAY
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GPU Consolidation and Virtualizatio
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SPEAKERS AND PANELISTS Arutyun Avet
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