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Table 10 Numbers of GCR iterations for each preconditioner on GPGPU and CPU

From: Newton–Raphson preconditioner for Krylov type solvers on GPU devices

  DIAG (GPU) BFGS–DIAG (GPU) SSOR (CPU)
\(100^3\) 4267 579 579
\(200^3\) 14,935 1293 1802