Optimizing Krylov Subspace Solvers on Graphics Processing Units

Krylov subspace solvers are often the method of choice when solving sparse linear systems iteratively. At the same time, hardware accelerators such as Graphics Processing Units (GPUs) continue to offer significant floating point performance gains for matrix and vector computations through easy-to-use libraries of computational kernels. However, as these libraries are usually composed of a well optimized but limited set of linear algebra operations, applications that use them often fail to leverage the full potential of the accelerator.

Provided by: University of Tennessee Topic: Hardware Date Added: Jul 2014 Format: PDF

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