PARCEL 1.1（January 13, 2022）

The following points have been corrected in this update.

• 1. Domain decomposition method (DDM) data format is supported for stencil computation on structured grids.
• 2. The implementation is optimized for A64FX and SIMD-optimized fine-block preconditioner is added.
• 3. Setting of the number of blocks (threads) for the block Jacobi preconditioner and the additive Schwarz preconditioenr is supported.
• 4. An eigenvalue calculation routine by the communication avoiding Arnoldi method is added.
• 5. QR factorization routines by the classical Gram-Schmidt method, the modified Gram-Schmidt method, the tall skinny QR method, the Cholesky QR method, and the Cholesky QR2 method are added.

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Version 1.01（May 20, 2020）

The following points have been corrected in this update.

• 1. Error handling is added for zero diagonal elements in the D-ILU preconditioner.
• 2. Memory allocation in the D-ILU preconditioner is changed to from static allocation to dynamic allocation.
• 3. The additive Schwarz preconditioner with zero overlap width is unified with the block Jacobi preconditioner.
• 4. A configuration file for the PGI compiler is added.
• 5. Sample programs are modified.
• ・A sorting method in the data conversion routine from CRS to DIA is improved.
• ・Template files for main algorithms are stored in each example.
• ・The names of input parameters in each example are changed to common names.
• ・The r.h.s. vector vecB in each example is changed to the same data.
• ・ExampleC, 2_C are modified for DIA in addition to CSR.
• ・All nonsymmetric solvers become available in example2.

Version 1.00（March 29, 2019）