param.h

C
C     FFTE: A FAST FOURIER TRANSFORM PACKAGE
C
C     (C) COPYRIGHT SOFTWARE, 2000-2004, 2008-2014, 2020
C         ALL RIGHTS RESERVED
C                BY
C         DAISUKE TAKAHASHI
C         CENTER FOR COMPUTATIONAL SCIENCES
C         UNIVERSITY OF TSUKUBA
C         1-1-1 TENNODAI, TSUKUBA, IBARAKI 305-8577, JAPAN
C         E-MAIL: daisuke@cs.tsukuba.ac.jp
C
C
C     HEADER FILE FOR PARAMETERS
C
C     FORTRAN77 SOURCE PROGRAM
C
C     WRITTEN BY DAISUKE TAKAHASHI
C
C The maximum supported number of processors is 65536.
      PARAMETER (MAXNPU=65536)
C The maximum supported 2-D transform length is 65536.
      PARAMETER (NDA2=65536)
C The maximum supported 3-D transform length is 4096.
      PARAMETER (NDA3=4096)
C The parameter NBLK is a blocking parameter.
      PARAMETER (NBLK=16)
C The parameter NB is a blocking parameter for NVIDIA GPUs.
      parameter (NB=128)
C The parameter NP is a padding parameter to avoid cache conflicts in
C the FFT routines.
      PARAMETER (NP=8)
C Size of L2 cache
      PARAMETER (L2SIZE=8388608)