SC is the International Conference for
 High Performnance Computing, Networking, Storage and Analysis

SCHEDULE: NOV 13-19, 2010

Triangular Linear System Solver for GPU with CUDA and OpenCL

SESSION: Research Poster Reception


TIME: 5:15PM - 7:00PM

AUTHOR(S):Peng Du, Stanimire Tomov, Piotr Luszczek, Jack Dongarra

ROOM:Main Lobby

We present an algorithm for solving a system of equations with triangular matrix system(TRSM for short). Our implementation targets graphics processing unit (GPU) based on CUDA and OpenCL. TRSM is an important step in obtaining the solution for a linear system of equations after matrix decomposition like LU, Cholesky and QR. Relatively low performance of the current TRSM implementation in CUBLAS forces applications to perform TRSM on host device (CPU) for faster execution. Our implementation is designed to remove the need of engaging CPU by executing TRSM on GPU with high performance and numerical stability comparable to that of the CUBLAS implementation.

Chair/Author Details:

Peng Du - University of Tennessee, Knoxville

Stanimire Tomov - University of Tennessee, Knoxville

Piotr Luszczek - University of Tennessee, Knoxville

Jack Dongarra - University of Tennessee, Knoxville

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