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hdf5/perform/iopipe.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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Thursday, March 12, 1998
*/
/* See H5private.h for how to include headers */
#include "hdf5.h"
#include "H5private.h"
#ifdef H5_HAVE_SYS_TIMEB
#include <sys/timeb.h>
#endif
#define RAW_FILE_NAME "iopipe.raw"
#define HDF5_FILE_NAME "iopipe.h5"
#define HEADING "%-16s"
#define PROGRESS '='
#if 0
/* Normal testing */
#define REQUEST_SIZE_X 4579
#define REQUEST_SIZE_Y 4579
#define NREAD_REQUESTS 45
#define NWRITE_REQUESTS 45
#else
/* Speedy testing */
#define REQUEST_SIZE_X 1000
#define REQUEST_SIZE_Y 1000
#define NREAD_REQUESTS 45
#define NWRITE_REQUESTS 45
#endif
/*-------------------------------------------------------------------------
* Function: print_stats
*
* Purpose: Prints statistics
*
* Return: void
*
* Programmer: Robb Matzke
* Thursday, March 12, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#ifdef H5_HAVE_GETRUSAGE
static void
print_stats (const char *prefix,
struct rusage *r_start, struct rusage *r_stop,
struct timeval *t_start, struct timeval *t_stop,
size_t nbytes)
#else /* H5_HAVE_GETRUSAGE */
static void
print_stats (const char *prefix,
struct timeval *r_start, struct timeval *r_stop,
struct timeval *t_start, struct timeval *t_stop,
size_t nbytes)
#endif /* H5_HAVE_GETRUSAGE */
{
double e_time, bw;
#ifdef H5_HAVE_GETRUSAGE
double u_time, s_time;
u_time = ((double)(r_stop->ru_utime.tv_sec)+
(double)(r_stop->ru_utime.tv_usec)/1000000.0) -
((double)(r_start->ru_utime.tv_sec)+
(double)(r_start->ru_utime.tv_usec)/1000000.0);
s_time = ((double)(r_stop->ru_stime.tv_sec)+
(double)(r_stop->ru_stime.tv_usec)/1000000.0) -
((double)(r_start->ru_stime.tv_sec)+
(double)(r_start->ru_stime.tv_usec)/1000000.0);
#endif
#ifndef H5_HAVE_SYS_TIMEB
e_time = ((double)(t_stop->tv_sec)+
(double)(t_stop->tv_usec)/1000000.0) -
((double)(t_start->tv_sec)+
(double)(t_start->tv_usec)/1000000.0);
#else
e_time = ((double)(t_stop->tv_sec)+
(double)(t_stop->tv_usec)/1000.0) -
((double)(t_start->tv_sec)+
(double)(t_start->tv_usec)/1000.0);
#endif
bw = (double)nbytes / e_time;
#ifdef H5_HAVE_GETRUSAGE
printf (HEADING "%1.2fuser %1.2fsystem %1.2felapsed %1.2fMB/s\n",
prefix, u_time, s_time, e_time, bw/(1024*1024));
#else
printf (HEADING "%1.2felapsed %1.2fMB/s\n",
prefix, e_time, bw/(1024*1024));
#endif
}
/*-------------------------------------------------------------------------
* Function: synchronize
*
* Purpose:
*
* Return: void
*
* Programmer: Robb Matzke
* Thursday, March 12, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
synchronize (void)
{
#ifdef H5_HAVE_SYSTEM
#if defined(H5_HAVE_WIN32_API) && ! defined(__CYGWIN__)
_flushall();
#else
HDsystem("sync");
HDsystem("df >/dev/null");
#endif
#endif
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose:
*
* Return: Success:
*
* Failure:
*
* Programmer: Robb Matzke
* Thursday, March 12, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main (void)
{
static hsize_t size[2] = {REQUEST_SIZE_X, REQUEST_SIZE_Y};
static unsigned nread = NREAD_REQUESTS, nwrite = NWRITE_REQUESTS;
unsigned char *the_data = NULL;
hid_t file, dset, file_space = -1;
herr_t status;
#ifdef H5_HAVE_GETRUSAGE
struct rusage r_start, r_stop;
#else
struct timeval r_start, r_stop;
#endif
struct timeval t_start, t_stop;
int fd;
unsigned u;
hssize_t n;
off_t offset;
hsize_t start[2];
hsize_t count[2];
#ifdef H5_HAVE_SYS_TIMEB
struct _timeb *tbstart = malloc(sizeof(struct _timeb));
struct _timeb *tbstop = malloc(sizeof(struct _timeb));
#endif
/*
* The extra cast in the following statement is a bug workaround for the
* Win32 version 5.0 compiler.
* 1998-11-06 ptl
*/
printf ("I/O request size is %1.1fMB\n",
(double)(hssize_t)(size[0]*size[1])/1024.0*1024);
/* Open the files */
file = H5Fcreate (HDF5_FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
assert (file>=0);
fd = HDopen (RAW_FILE_NAME, O_RDWR|O_CREAT|O_TRUNC, 0666);
assert (fd>=0);
/* Create the dataset */
file_space = H5Screate_simple (2, size, size);
assert(file_space >= 0);
dset = H5Dcreate2(file, "dset", H5T_NATIVE_UCHAR, file_space, H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT);
assert(dset >= 0);
the_data = (unsigned char *)malloc((size_t)(size[0] * size[1]));
/* initial fill for lazy malloc */
HDmemset(the_data, 0xAA, (size_t)(size[0] * size[1]));
/* Fill raw */
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "fill raw");
for(u = 0; u < nwrite; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
HDmemset(the_data, 0xAA, (size_t)(size[0]*size[1]));
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc ('\n', stderr);
print_stats ("fill raw",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*size[0]*size[1]));
/* Fill hdf5 */
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "fill hdf5");
for(u = 0; u < nread; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
status = H5Dread (dset, H5T_NATIVE_UCHAR, file_space, file_space,
H5P_DEFAULT, the_data);
assert (status>=0);
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc ('\n', stderr);
print_stats ("fill hdf5",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*size[0]*size[1]));
/* Write the raw dataset */
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "out raw");
for(u = 0; u < nwrite; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
offset = HDlseek (fd, (off_t)0, SEEK_SET);
assert (0==offset);
n = HDwrite (fd, the_data, (size_t)(size[0]*size[1]));
assert (n>=0 && (size_t)n==size[0]*size[1]);
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc ('\n', stderr);
print_stats ("out raw",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*size[0]*size[1]));
/* Write the hdf5 dataset */
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "out hdf5");
for(u = 0; u < nwrite; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
status = H5Dwrite (dset, H5T_NATIVE_UCHAR, H5S_ALL, H5S_ALL,
H5P_DEFAULT, the_data);
assert (status>=0);
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc ('\n', stderr);
print_stats ("out hdf5",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*size[0]*size[1]));
/* Read the raw dataset */
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "in raw");
for(u = 0; u < nread; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
offset = HDlseek (fd, (off_t)0, SEEK_SET);
assert (0==offset);
n = HDread (fd, the_data, (size_t)(size[0]*size[1]));
assert (n>=0 && (size_t)n==size[0]*size[1]);
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc ('\n', stderr);
print_stats ("in raw",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*size[0]*size[1]));
/* Read the hdf5 dataset */
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "in hdf5");
for(u = 0; u < nread; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
status = H5Dread (dset, H5T_NATIVE_UCHAR, file_space, file_space,
H5P_DEFAULT, the_data);
assert (status>=0);
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc ('\n', stderr);
print_stats ("in hdf5",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*size[0]*size[1]));
/* Read hyperslab */
assert (size[0]>20 && size[1]>20);
start[0] = start[1] = 10;
count[0] = count[1] = size[0]-20;
status = H5Sselect_hyperslab (file_space, H5S_SELECT_SET, start, NULL, count, NULL);
assert (status>=0);
synchronize ();
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_start);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_start, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstart);
#endif
#endif
fprintf (stderr, HEADING, "in hdf5 partial");
for(u = 0; u < nread; u++) {
putc (PROGRESS, stderr);
HDfflush(stderr);
status = H5Dread (dset, H5T_NATIVE_UCHAR, file_space, file_space,
H5P_DEFAULT, the_data);
assert (status>=0);
}
#ifdef H5_HAVE_GETRUSAGE
HDgetrusage(RUSAGE_SELF, &r_stop);
#endif
#ifdef H5_HAVE_GETTIMEOFDAY
HDgettimeofday(&t_stop, NULL);
#else
#ifdef H5_HAVE_SYS_TIMEB
_ftime(tbstop);
t_start.tv_sec = tbstart->time;
t_start.tv_usec = tbstart->millitm;
t_stop.tv_sec = tbstop->time;
t_stop.tv_usec = tbstop->millitm;
#endif
#endif
putc('\n', stderr);
print_stats("in hdf5 partial",
&r_start, &r_stop, &t_start, &t_stop,
(size_t)(nread*count[0]*count[1]));
/* Close everything */
HDclose(fd);
H5Dclose(dset);
H5Sclose(file_space);
H5Fclose(file);
free(the_data);
return 0;
}
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