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-rw-r--r--perform/pio_timer.c258
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diff --git a/perform/pio_timer.c b/perform/pio_timer.c
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-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Copyright by The HDF Group. *
- * Copyright by the Board of Trustees of the University of Illinois. *
- * All rights reserved. *
- * *
- * This file is part of HDF5. The full HDF5 copyright notice, including *
- * terms governing use, modification, and redistribution, is contained in *
- * the files COPYING and Copyright.html. COPYING can be found at the root *
- * of the source code distribution tree; Copyright.html can be found at the *
- * root level of an installed copy of the electronic HDF5 document set and *
- * is linked from the top-level documents page. It can also be found at *
- * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
- * access to either file, you may request a copy from help@hdfgroup.org. *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-/*
- * Purpose:
- *
- * This is a module of useful timing functions for performance testing.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "hdf5.h"
-
-#ifdef H5_HAVE_PARALLEL
-
-#include <mpi.h>
-
-#include "pio_perf.h"
-
-/*
- * The number to divide the tv_usec field with to get a nice decimal to add to
- * the number of seconds.
- */
-#define MICROSECOND 1000000.0
-
-/* global variables */
-pio_time *timer_g; /* timer: global for stub functions */
-
-/*
- * Function: sub_time
- * Purpose: Struct two time values, and return the difference, in microseconds
- *
- * Note that the function assumes that a > b
- * Programmer: Leon Arber, 1/27/06
- */
-static double sub_time(struct timeval* a, struct timeval* b)
-{
- return (((double)a->tv_sec +
- ((double)a->tv_usec) / MICROSECOND) -
- ((double)b->tv_sec +
- ((double)b->tv_usec) / MICROSECOND));
-}
-
-
-/*
- * Function: pio_time_new
- * Purpose: Build us a brand, spankin', new performance time object.
- * The object is a black box to the user. They just tell us
- * what type of timer they want (MPI_TIMER for MPI_Wtime or
- * SYS_TIMER for system time).
- * Return: Pointer to pio_time object
- * Programmer: Bill Wendling, 01. October 2001
- * Modifications:
- */
-pio_time *
-pio_time_new(clock_type type)
-{
- pio_time *pt = (pio_time *)calloc(1, sizeof(struct pio_time_));
-
- /* set global timer variable */
- timer_g = pt;
-
- pt->type = type;
- return pt;
-}
-
-/*
- * Function: pio_time_destroy
- * Purpose: Remove the memory allocated for the pio_time object. Only
- * need to call on a pointer allocated with the ``pio_time_new''
- * function.
- * Return: Nothing
- * Programmer: Bill Wendling, 01. October 2001
- * Modifications:
- */
-void
-pio_time_destroy(pio_time *pt)
-{
- HDfree(pt);
- /* reset the global timer pointer too. */
- timer_g = NULL;
-}
-
-/*
- * Function: set_timer_type
- * Purpose: Set the type of the timer to either MPI_TIMER or SYS_TIMER.
- * This really only needs to be called if you didn't construct a
- * timer with the pio_timer_new function (shame!).
- * Return: Nothing
- * Programmer: Bill Wendling, 04. October 2001
- * Modifications:
- */
-void
-set_timer_type(pio_time *pt, clock_type type)
-{
- pt->type = type;
-}
-
-/*
- * Function: get_timer_type
- * Purpose: Get the type of the timer.
- * Return: MPI_TIMER or SYS_TIMER.
- * Programmer: Bill Wendling, 04. October 2001
- * Modifications:
- */
-clock_type
-get_timer_type(pio_time *pt)
-{
- return pt->type;
-}
-
-/*
- * Function: set_time
- * Purpose: Set the time in a ``pio_time'' object.
- * Return: Pointer to the passed in ``pio_time'' object.
- * Programmer: Bill Wendling, 01. October 2001
- * Modifications:
- */
-pio_time *
-set_time(pio_time *pt, timer_type t, int start_stop)
-{
- if (pt) {
- if (pt->type == MPI_TIMER) {
- if (start_stop == TSTART) {
- pt->mpi_timer[t] = MPI_Wtime();
-
- /* When we start the timer for HDF5_FINE_WRITE_FIXED_DIMS or HDF5_FINE_READ_FIXED_DIMS
- * we compute the time it took to only open the file */
- if(t == HDF5_FINE_WRITE_FIXED_DIMS)
- pt->total_time[HDF5_FILE_WRITE_OPEN] += pt->mpi_timer[t] - pt->mpi_timer[HDF5_GROSS_WRITE_FIXED_DIMS];
- else if(t == HDF5_FINE_READ_FIXED_DIMS)
- pt->total_time[HDF5_FILE_READ_OPEN] += pt->mpi_timer[t] - pt->mpi_timer[HDF5_GROSS_READ_FIXED_DIMS];
-
- } else {
- pt->total_time[t] += MPI_Wtime() - pt->mpi_timer[t];
- pt->mpi_timer[t] = MPI_Wtime();
-
- /* When we stop the timer for HDF5_GROSS_WRITE_FIXED_DIMS or HDF5_GROSS_READ_FIXED_DIMS
- * we compute the time it took to close the file after the last read/write finished */
- if(t == HDF5_GROSS_WRITE_FIXED_DIMS)
- pt->total_time[HDF5_FILE_WRITE_CLOSE] += pt->mpi_timer[t] - pt->mpi_timer[HDF5_FINE_WRITE_FIXED_DIMS];
- else if(t == HDF5_GROSS_READ_FIXED_DIMS)
- pt->total_time[HDF5_FILE_READ_CLOSE] += pt->mpi_timer[t] - pt->mpi_timer[HDF5_FINE_READ_FIXED_DIMS];
- }
- } else {
- if (start_stop == TSTART) {
- HDgettimeofday(&pt->sys_timer[t], NULL);
-
- /* When we start the timer for HDF5_FINE_WRITE_FIXED_DIMS or HDF5_FINE_READ_FIXED_DIMS
- * we compute the time it took to only open the file */
- if(t == HDF5_FINE_WRITE_FIXED_DIMS)
- pt->total_time[HDF5_FILE_WRITE_OPEN] += sub_time(&(pt->sys_timer[t]), &(pt->sys_timer[HDF5_GROSS_WRITE_FIXED_DIMS]));
- else if(t == HDF5_FINE_READ_FIXED_DIMS)
- pt->total_time[HDF5_FILE_READ_OPEN] += sub_time(&(pt->sys_timer[t]), &(pt->sys_timer[HDF5_GROSS_READ_FIXED_DIMS]));
-
-
- } else {
- struct timeval sys_t;
-
- HDgettimeofday(&sys_t, NULL);
- pt->total_time[t] += sub_time(&sys_t, &(pt->sys_timer[t]));
-
-/* ((double)sys_t.tv_sec +
- ((double)sys_t.tv_usec) / MICROSECOND) -
- ((double)pt->sys_timer[t].tv_sec +
- ((double)pt->sys_timer[t].tv_usec) / MICROSECOND);*/
-
- /* When we stop the timer for HDF5_GROSS_WRITE_FIXED_DIMS or HDF5_GROSS_READ_FIXED_DIMS
- * we compute the time it took to close the file after the last read/write finished */
- if(t == HDF5_GROSS_WRITE_FIXED_DIMS)
- pt->total_time[HDF5_FILE_WRITE_CLOSE] += sub_time(&(pt->sys_timer[t]), &(pt->sys_timer[HDF5_FINE_WRITE_FIXED_DIMS]));
- else if(t == HDF5_GROSS_READ_FIXED_DIMS)
- pt->total_time[HDF5_FILE_READ_CLOSE] += sub_time(&(pt->sys_timer[t]), &(pt->sys_timer[HDF5_FINE_READ_FIXED_DIMS]));
-
- }
- }
-
- if (pio_debug_level >= 4) {
- const char *msg;
- int myrank;
-
- MPI_Comm_rank(pio_comm_g, &myrank);
-
- switch (t) {
- case HDF5_FILE_OPENCLOSE:
- msg = "File Open/Close";
- break;
- case HDF5_DATASET_CREATE:
- msg = "Dataset Create";
- break;
- case HDF5_MPI_WRITE:
- msg = "MPI Write";
- break;
- case HDF5_MPI_READ:
- msg = "MPI Read";
- break;
- case HDF5_FINE_WRITE_FIXED_DIMS:
- msg = "Fine Write";
- break;
- case HDF5_FINE_READ_FIXED_DIMS:
- msg = "Fine Read";
- break;
- case HDF5_GROSS_WRITE_FIXED_DIMS:
- msg = "Gross Write";
- break;
- case HDF5_GROSS_READ_FIXED_DIMS:
- msg = "Gross Read";
- break;
- case HDF5_RAW_WRITE_FIXED_DIMS:
- msg = "Raw Write";
- break;
- case HDF5_RAW_READ_FIXED_DIMS:
- msg = "Raw Read";
- break;
- default:
- msg = "Unknown Timer";
- break;
- }
-
- fprintf(output, " Proc %d: %s %s: %.2f\n", myrank, msg,
- (start_stop == TSTART ? "Start" : "Stop"),
- pt->total_time[t]);
- }
- }
-
- return pt;
-}
-
-/*
- * Function: get_time
- * Purpose: Get the time from a ``pio_time'' object.
- * Return: The number of seconds as a DOUBLE.
- * Programmer: Bill Wendling, 01. October 2001
- * Modifications:
- */
-double
-get_time(pio_time *pt, timer_type t)
-{
- return pt->total_time[t];
-}
-
-#endif /* H5_HAVE_PARALLEL */
-#ifdef STANDALONE
-#include "pio_standalone.c"
-#endif
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