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fixed_volume.h.in
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fixed_volume.h.in
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/* $Id$ */
/********************************************************
*
* In case the code was configure for fixed volume at
* compiletime, the parameters have to be set here!
*
* Note:
* - 4dim. parallesitaion: T*LX*LY must be even
* - always: LZ must be even.
*
* - on the Blue Gene/L try the following setup
* in oder to get the best performance:
* nodecard (64CPU): 4x4x2x2
* 4nodecard(128CPU): 8x4x2x2
* midplane(1024CPU): 8x8x8x2
* rack (2048CPU): 8x8x16x2
*
*
********************************************************/
#ifndef _FIXED_VOLUME_H
#define _FIXED_VOLUME_H
# if defined FIXEDVOLUME
/* Set the next 8 number! */
# define Tdef 48
# define Xdef 24
# define Ydef 24
# define Zdef 24
# define N_PROC_T 1
# define N_PROC_X 1
# define N_PROC_Y 1
# define N_PROC_Z 1
/* The rest is done automatially */
# define T (Tdef/N_PROC_T)
# define LX (Xdef/N_PROC_X)
# define LY (Ydef/N_PROC_Y)
# define LZ (Zdef/N_PROC_Z)
# define VOLUME (T*LX*LY*LZ)
# ifdef PARALLELT
# define RAND (2*LX*LY*LZ)
# define EDGES 0
# elif defined PARALLELXT
# define RAND (2*LZ*(LY*LX + T*LY))
# define EDGES (4*LZ*LY);
# elif defined PARALLELXYT
# define RAND (2*LZ*(LY*LX + T*LY + T*LX))
# define EDGES (4*LZ*(LY + T + LX))
# elif defined PARALLELXYZT
# define RAND (2*LZ*(LY*LX + T*LY + T*LX) + 2*T*LX*LY)
# define EDGES (4*LZ*(LY + T + LX) + 4*LY*T + 4*LY*LX + 4*T*LX)
# else
# define RAND 0
# define EDGES 0
# endif
/* Note that VOLUMEPLUSRAND is in general not equal to VOLUME+RAND */
/* VOLUMEPLUSRAND rather includes the edges */
# define VOLUMEPLUSRAND (VOLUME + RAND + EDGES)
# endif
#endif