class_stopwatch_procedures.f90 Source File

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!    NEMO - Numerical Engine (for) Multiphysics Operators
! Copyright (c) 2007, Stefano Toninel
!                     Gian Marco Bianchi  University of Bologna
!              David P. Schmidt    University of Massachusetts - Amherst
!              Salvatore Filippone University of Rome Tor Vergata
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! $Id: class_stopwatch.f90 2469 2007-10-08 10:34:43Z sfilippo $
!
! Description:
!    Defines a parallel stopwatch for timing (``tic-toc'') a code section.
!
SUBMODULE(class_stopwatch) class_stopwatch_procedures

    USE psb_base_mod
    USE tools_psblas, ONLY : psb_dpk_
    IMPLICIT NONE

CONTAINS

    ! ----- Constructor -----

    MODULE PROCEDURE stopwatch_

        stopwatch_%icontxt = icontxt
        stopwatch_%partial = 0.d0
        stopwatch_%split   = 0.d0
        stopwatch_%total   = 0.d0

    END PROCEDURE stopwatch_


    ! ----- Getters -----

    MODULE PROCEDURE partial_
        partial_ = sw%partial
    END PROCEDURE partial_


    MODULE PROCEDURE total_
        total_ = sw%total
    END PROCEDURE total_


    ! ----- Setters -----

    MODULE PROCEDURE reset_stopwatch

        sw%split = 0.d0
        sw%partial = 0.d0

    END PROCEDURE reset_stopwatch


    MODULE PROCEDURE tic_stopwatch

        sw%split   = psb_wtime()
        sw%partial = 0.d0

    END PROCEDURE tic_stopwatch


    MODULE PROCEDURE toc_stopwatch

        sw%partial = psb_wtime() - sw%split
        sw%total = sw%total + sw%partial

    END PROCEDURE toc_stopwatch


    MODULE PROCEDURE synchro_stopwatch

        CALL psb_amx(sw%icontxt,sw%partial)
        CALL psb_amx(sw%icontxt,sw%total)

    END PROCEDURE synchro_stopwatch


END SUBMODULE class_stopwatch_procedures