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Scalable Solvers Group


  • BLZPACK  – Implementation of a block Lanczos algorithm for the solution of the standard eigenvalue problem Ax=µx or the generalized eigenvalue problem Ax=µBx
  • BSEPACK  – A parallel package for solving definite Bethe–Salpeter Eigenvalue problems
  • ButterflyPACK – A parallel library for rapidly solving large-scale dense linear systems that exhibit off-diagonal rank-deficiency
  • GPTune – An autotuning software tool based on Bayesian optimization with Gaussian Process regression that relies on multitask and transfer learnings to help solve the underlying black-box optimization problem
  • High-precision arithmetic – Software libraries to support floating-point precisions higher than 64 bit: double-double, quad-double, arbitrary precision
  • LibPFASST - A lightweight implementation of the PFASST parallel in time method for ODES and PDEs
  • PDSLin – Parallel domain-decomposition Schur-complement linear solver
  • stetester – Software and collection of matrices for testing bidiagonal singular value decomposition (SVD) routines and tridiagonal eigensolvers.
  • STRUMPACK – STRUcture Matrices PACKage for computations with sparse and dense structured matrices
  • symPACK – symmetric PACKage, sparse direct linear solver for symmetric matrices
  • SuperLU – Sparse direct linear solver for general unsymmetric matrices