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Viewing changes to src/blas/level3/ATL_trsm.c

  • Committer: Bazaar Package Importer
  • Author(s): Sylvestre Ledru
  • Date: 2009-09-17 23:31:54 UTC
  • mto: (2.2.1 experimental)
  • mto: This revision was merged to the branch mainline in revision 10.
  • Revision ID: james.westby@ubuntu.com-20090917233154-9esw88ub02twbuab
Tags: upstream-3.8.3
Import upstream version 3.8.3

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src/blas/level3/ATL_trsm.c
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 *
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 * -- ATLAS routine -- Version 3.2 -- December 25, 2000
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 *
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 * -- Suggestions,  comments,  bugs reports should be sent to the follo-
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 *    wing e-mail address: atlas@cs.utk.edu
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 *
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 * Author         : Antoine P. Petitet
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 * Contributor(s) : R. Clint Whaley
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 * University of Tennessee - Innovative Computing Laboratory
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 * Knoxville TN, 37996-1301, USA.
 
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 * Originally developed at the University of Tennessee,
 
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 * Innovative Computing Laboratory, Knoxville TN, 37996-1301, USA.
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 *
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 * ---------------------------------------------------------------------
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 *
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#include "atlas_lvl3.h"
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#ifndef TRSM_NB
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   #ifdef TREAL
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      #ifdef ATL_ARCH_ATHLON
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         #ifdef DREAL
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            #define TRSM_NB    NB
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         #else
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            #define TRSM_NB    (NB/4)
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         #endif
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      #elif defined(ATL_ARCH_HAMMER64) || defined(ATL_ARCH_HAMMER32)
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         #ifdef DREAL
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            #define TRSM_NB    (NB/3)
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         #else
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            #define TRSM_NB    (NB/2)
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         #endif
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      #else
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         #define TRSM_NB    NB
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      #endif
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/*
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 *    For larger NB than 8, the intel compiler screws up the TRSM kernel,
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 *    so force 8 as our largest stopping factor.  This is OK performance-
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 *    wise, since all non-x86 archs benefit from not using the x86-specific
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 *    kernel too much anyway (that's why we mandate 8 for all non-x86 archs)
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 *    NOTE: I'm afraid the ATL_GAS_x86* probes might succeed on some
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 *          IA64 due to emulation, and that's why they are explicit
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 */
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      #if defined(ATL_IntelIccBugs) || defined(ATL_ARCH_IA64Itan2) || \
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          defined(ATL_ARCH_IA64Itan2) || \
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          (!defined(ATL_GAS_x8632) && !defined(ATL_GAS_x8664))
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         #undef TRSM_NB
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         #define TRSM_NB 8
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      #endif
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   #else
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      #define TRSM_NB     4
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   #endif
 
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   #include "atlas_trsmNB.h"
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#endif
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void Mjoin( PATL, trsm )