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Day: 25 September 2022

Create high productive CP2K 2022.1 build that works on AMD Zen2 microarchitecture

Create high productive CP2K 2022.1 build that works on AMD Zen2 microarchitecture

CP2K is a quantum chemistry and solid state physics software package that can perform atomistic simulations of solid state, liquid, molecular, periodic, material, crystal, and biological systems. While it can be successfully compiled by using Intel oneAPI, Intel oneAPI MKL, and Intel MPI, the produced executables cannot run simulations of large systems on AMD Zen2 CPU. For instance, the SCF minimization fails by sending “Segmentation fault” message to the standard error. The debugging results point to a problem with handling…

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Compiling OpenBLAS 0.3.21 with OpenMP support using Intel oneAPI

Compiling OpenBLAS 0.3.21 with OpenMP support using Intel oneAPI

OpenBLAS is a CPU-level optimized replacement to BLAS/LAPACK. In most cases it can substitute BLAS and/or LAPACK in attempt to achieve higher productivity, which is the main goal of most HPC applications. The last release of OpenBLAS (that is 0.3.21) has some critical problem with configuring the compilation whenever USE_OPENMP=1 is passed to make, in case Intel oneAPI compilers are employed. The problem is in the Makefile. At some point there the ifort compiler becomes invoked without passing the necessary…

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