pilaenv_hack.F

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!--------------------------------------------------------------------------------------------------!
!   CP2K: A general program to perform molecular dynamics simulations                              !
!   Copyright 2000-2025 CP2K developers group <https://cp2k.org>                                   !
!                                                                                                  !
!   SPDX-License-Identifier: GPL-2.0-or-later                                                      !
!--------------------------------------------------------------------------------------------------!
 
#if defined(__PILAENV_BLOCKSIZE)
!
! This function overwrites the one present in Scalapack.....
! most libraries do not provide a good default, but an old value of 32, which leads to poor pdgemm performance
! set -D__PILAENV_BLOCKSIZE=1024 or some number (depending on the hardware, and application), might lead to better performance
!
! **************************************************************************************************
!> \brief ...
!> \param ICTXT ...
!> \param PREC ...
!> \return ...
! **************************************************************************************************
INTEGER FUNCTION pilaenv(ICTXT, PREC)
   INTEGER :: ICTXT
   CHARACTER(LEN=1) :: PREC
 
   pilaenv = __pilaenv_blocksize
END FUNCTION pilaenv
#endif
 
! **************************************************************************************************
!> \brief ...
! **************************************************************************************************
SUBROUTINE nag_dummy()
 
END SUBROUTINE nag_dummy