mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-09 07:32:32 +08:00
05b8021db4
Bug fix. Description: Seems like some compilers don't like the "inline" function spec. Solution: Removed the inline description for the sub_time function. Platforms tested: heping and tg-login. Misc. update:
258 lines
8.3 KiB
C
258 lines
8.3 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
|
|
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
/*
|
|
* Purpose:
|
|
*
|
|
* This is a module of useful timing functions for performance testing.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "pio_timer.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)
|
|
{
|
|
free(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 == START) {
|
|
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 == START) {
|
|
gettimeofday(&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;
|
|
|
|
gettimeofday(&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 == START ? "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
|