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<TITLE>HPL_pdinfo HPL 2.0 Library Functions September 10, 2008</TITLE> |
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<BODY BGCOLOR="WHITE" TEXT = "#000000" LINK = "#0000ff" VLINK = "#000099" |
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ALINK = "#ffff00"> |
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<H1>Name</H1> |
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<B>HPL_pdinfo</B> Read input parameter file. |
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<H1>Synopsis</H1> |
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<CODE>#include "hpl.h"</CODE><BR><BR> |
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<CODE>void</CODE> |
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<CODE>HPL_pdinfo(</CODE> |
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<CODE>HPL_T_test *</CODE> |
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<CODE>TEST</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NS</CODE>, |
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<CODE>int *</CODE> |
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<CODE>N</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NBS</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NB</CODE>, |
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<CODE>HPL_T_ORDER *</CODE> |
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<CODE>PMAPPIN</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NPQS</CODE>, |
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<CODE>int *</CODE> |
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<CODE>P</CODE>, |
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<CODE>int *</CODE> |
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<CODE>Q</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NPFS</CODE>, |
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<CODE>HPL_T_FACT *</CODE> |
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<CODE>PF</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NBMS</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NBM</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NDVS</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NDV</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NRFS</CODE>, |
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<CODE>HPL_T_FACT *</CODE> |
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<CODE>RF</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NTPS</CODE>, |
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<CODE>HPL_T_TOP *</CODE> |
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<CODE>TP</CODE>, |
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<CODE>int *</CODE> |
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<CODE>NDHS</CODE>, |
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<CODE>int *</CODE> |
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<CODE>DH</CODE>, |
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<CODE>HPL_T_SWAP *</CODE> |
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<CODE>FSWAP</CODE>, |
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<CODE>int *</CODE> |
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<CODE>TSWAP</CODE>, |
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<CODE>int *</CODE> |
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<CODE>L1NOTRAN</CODE>, |
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<CODE>int *</CODE> |
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<CODE>UNOTRAN</CODE>, |
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<CODE>int *</CODE> |
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<CODE>EQUIL</CODE>, |
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<CODE>int *</CODE> |
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<CODE>ALIGN</CODE> |
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<CODE>);</CODE> |
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<H1>Description</H1> |
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<B>HPL_pdinfo</B> |
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reads the startup information for the various tests and |
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transmits it to all processes. |
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<H1>Arguments</H1> |
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<PRE>
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TEST (global output) HPL_T_test * |
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On entry, TEST points to a testing data structure. On exit, |
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the fields of this data structure are initialized as follows: |
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TEST->outfp specifies the output file where the results will
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be printed. It is only defined and used by the process 0 of |
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the grid. TEST->thrsh specifies the threshhold value for the
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test ratio. TEST->epsil is the relative machine precision of
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the distributed computer. Finally the test counters, kfail, |
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kpass, kskip, ktest are initialized to zero. |
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</PRE>
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<PRE>
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NS (global output) int * |
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On exit, NS specifies the number of different problem sizes |
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to be tested. NS is less than or equal to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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N (global output) int * |
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On entry, N is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NS entries of this array contain the problem sizes |
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to run the code with. |
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</PRE>
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<PRE>
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NBS (global output) int * |
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On exit, NBS specifies the number of different distribution |
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blocking factors to be tested. NBS must be less than or equal |
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to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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NB (global output) int * |
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On exit, PMAPPIN specifies the process mapping onto the no- |
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des of the MPI machine configuration. PMAPPIN defaults to |
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row-major ordering. |
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</PRE>
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<PRE>
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PMAPPIN (global output) HPL_T_ORDER * |
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On entry, NB is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NBS entries of this array contain the values of the |
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various distribution blocking factors, to run the code with. |
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</PRE>
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<PRE>
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NPQS (global output) int * |
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On exit, NPQS specifies the number of different values that |
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can be used for P and Q, i.e., the number of process grids to |
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run the code with. NPQS must be less than or equal to |
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HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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P (global output) int * |
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On entry, P is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NPQS entries of this array contain the values of P, |
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the number of process rows of the NPQS grids to run the code |
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with. |
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</PRE>
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<PRE>
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Q (global output) int * |
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On entry, Q is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NPQS entries of this array contain the values of Q, |
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the number of process columns of the NPQS grids to run the |
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code with. |
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</PRE>
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<PRE>
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NPFS (global output) int * |
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On exit, NPFS specifies the number of different values that |
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can be used for PF : the panel factorization algorithm to run |
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the code with. NPFS is less than or equal to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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PF (global output) HPL_T_FACT * |
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On entry, PF is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NPFS entries of this array contain the various |
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panel factorization algorithms to run the code with. |
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</PRE>
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<PRE>
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NBMS (global output) int * |
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On exit, NBMS specifies the number of various recursive |
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stopping criteria to be tested. NBMS must be less than or |
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equal to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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NBM (global output) int * |
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On entry, NBM is an array of dimension HPL_MAX_PARAM. On |
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exit, the first NBMS entries of this array contain the values |
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of the various recursive stopping criteria to be tested. |
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</PRE>
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<PRE>
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NDVS (global output) int * |
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On exit, NDVS specifies the number of various numbers of |
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panels in recursion to be tested. NDVS is less than or equal |
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to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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NDV (global output) int * |
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On entry, NDV is an array of dimension HPL_MAX_PARAM. On |
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exit, the first NDVS entries of this array contain the values |
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of the various numbers of panels in recursion to be tested. |
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</PRE>
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<PRE>
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NRFS (global output) int * |
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On exit, NRFS specifies the number of different values that |
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can be used for RF : the recursive factorization algorithm to |
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be tested. NRFS is less than or equal to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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RF (global output) HPL_T_FACT * |
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On entry, RF is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NRFS entries of this array contain the various |
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recursive factorization algorithms to run the code with. |
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</PRE>
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<PRE>
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NTPS (global output) int * |
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On exit, NTPS specifies the number of different values that |
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can be used for the broadcast topologies to be tested. NTPS |
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is less than or equal to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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TP (global output) HPL_T_TOP * |
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On entry, TP is an array of dimension HPL_MAX_PARAM. On exit, |
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the first NTPS entries of this array contain the various |
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broadcast (along rows) topologies to run the code with. |
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</PRE>
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<PRE>
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NDHS (global output) int * |
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On exit, NDHS specifies the number of different values that |
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can be used for the lookahead depths to be tested. NDHS is |
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less than or equal to HPL_MAX_PARAM. |
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</PRE>
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<PRE>
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DH (global output) int * |
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On entry, DH is an array of dimension HPL_MAX_PARAM. On |
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exit, the first NDHS entries of this array contain the values |
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of lookahead depths to run the code with. Such a value is at |
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least 0 (no-lookahead) or greater than zero. |
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</PRE>
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<PRE>
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FSWAP (global output) HPL_T_SWAP * |
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On exit, FSWAP specifies the swapping algorithm to be used in |
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all tests. |
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</PRE>
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<PRE>
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TSWAP (global output) int * |
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On exit, TSWAP specifies the swapping threshold as a number |
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of columns when the mixed swapping algorithm was chosen. |
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</PRE>
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<PRE>
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L1NOTRA (global output) int * |
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On exit, L1NOTRAN specifies whether the upper triangle of the |
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panels of columns should be stored in no-transposed form |
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(L1NOTRAN=1) or in transposed form (L1NOTRAN=0). |
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</PRE>
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<PRE>
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UNOTRAN (global output) int * |
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On exit, UNOTRAN specifies whether the panels of rows should |
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be stored in no-transposed form (UNOTRAN=1) or transposed |
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form (UNOTRAN=0) during their broadcast. |
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</PRE>
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<PRE>
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EQUIL (global output) int * |
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On exit, EQUIL specifies whether equilibration during the |
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swap-broadcast of the panel of rows should be performed |
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(EQUIL=1) or not (EQUIL=0). |
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</PRE>
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<PRE>
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ALIGN (global output) int * |
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On exit, ALIGN specifies the alignment of the dynamically |
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allocated buffers in double precision words. ALIGN is greater |
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than zero. |
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</PRE>
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<H1>See Also</H1> |
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<A HREF="HPL_pddriver.html">HPL_pddriver</A>, |
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<A HREF="HPL_pdtest.html">HPL_pdtest</A>. |
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