mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-11-27 02:10:55 +08:00
47d88766db
Code cleanup
Description:
Tweaked internal error handling macros to reduce the size of the library's
object code by about 10-20%.
Also cleaned up some compiler warnings...
Platforms tested:
FreeBSD 4.4 (sleipnir)
532 lines
15 KiB
C
532 lines
15 KiB
C
/*
|
||
* Copyright (C) 1998 NCSA
|
||
* All rights reserved.
|
||
*
|
||
* Programmer: Robb Matzke <robb@arborea.spizella.com>
|
||
* Thursday, May 14, 1998
|
||
*
|
||
* Purpose: Checks the effect of various I/O request sizes and raw data
|
||
* cache sizes. Performance depends on the amount of data read
|
||
* from disk and we use a filter to get that number.
|
||
*/
|
||
|
||
/* See H5private.h for how to include headers */
|
||
#undef NDEBUG
|
||
#include "hdf5.h"
|
||
|
||
#ifdef H5_STDC_HEADERS
|
||
# include <assert.h>
|
||
# include <stdio.h>
|
||
# include <stdlib.h>
|
||
# include <string.h>
|
||
#endif
|
||
|
||
|
||
#ifndef H5_HAVE_ATTRIBUTE
|
||
# undef __attribute__
|
||
# define __attribute__(X) /*void*/
|
||
# define UNUSED /*void*/
|
||
#else
|
||
# define UNUSED __attribute__((unused))
|
||
#endif
|
||
|
||
#define FILE_NAME "chunk.h5"
|
||
#define LINESPOINTS "lines"
|
||
#define CH_SIZE 100 /*squared in terms of bytes */
|
||
#define DS_SIZE 20 /*squared in terms of chunks */
|
||
#define FILTER_COUNTER 305
|
||
#define READ 0
|
||
#define WRITE 1
|
||
#define MIN(X,Y) ((X)<(Y)?(X):(Y))
|
||
#define MAX(X,Y) ((X)>(Y)?(X):(Y))
|
||
#define SQUARE(X) ((X)*(X))
|
||
|
||
/* The row-major test */
|
||
#define RM_CACHE_STRT 25
|
||
#define RM_CACHE_END 25
|
||
#define RM_CACHE_DELT 5
|
||
#define RM_START 0.50
|
||
#define RM_END 5.00
|
||
#define RM_DELTA 0.50
|
||
#define RM_W0 0.0
|
||
#define RM_NRDCC 521
|
||
|
||
/* Diagonal test */
|
||
#define DIAG_CACHE_STRT 25
|
||
#define DIAG_CACHE_END 25
|
||
#define DIAG_CACHE_DELT 5
|
||
#define DIAG_START 0.50
|
||
#define DIAG_END 5.00
|
||
#define DIAG_DELTA 0.50
|
||
/* #define DIAG_W0 0.65 */
|
||
/* #define DIAG_NRDCC 521 */
|
||
|
||
static size_t nio_g;
|
||
static hid_t fapl_g = -1;
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: counter
|
||
*
|
||
* Purpose: Count number of bytes but don't do anything.
|
||
*
|
||
* Return: Success: src_nbytes-1
|
||
*
|
||
* Failure: never fails
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, May 14, 1998
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static size_t
|
||
counter (unsigned UNUSED flags, size_t UNUSED cd_nelmts,
|
||
const unsigned * UNUSED cd_values, size_t nbytes,
|
||
size_t * UNUSED buf_size, void ** UNUSED buf)
|
||
{
|
||
nio_g += nbytes;
|
||
return nbytes;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: create_dataset
|
||
*
|
||
* Purpose: Creates a square dataset with square chunks, registers a
|
||
* stupid compress/uncompress pair for counting I/O, and
|
||
* initializes the dataset. The chunk size is in bytes, the
|
||
* dataset size is in terms of chunks.
|
||
*
|
||
* Return: void
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, May 14, 1998
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static void
|
||
create_dataset (void)
|
||
{
|
||
hid_t file, space, dcpl, dset;
|
||
hsize_t size[2];
|
||
signed char *buf;
|
||
|
||
/* The file */
|
||
file = H5Fcreate (FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT, fapl_g);
|
||
|
||
/* The data space */
|
||
size[0] = size[1] = DS_SIZE * CH_SIZE;
|
||
space = H5Screate_simple (2, size, size);
|
||
|
||
/* The storage layout and compression */
|
||
dcpl = H5Pcreate (H5P_DATASET_CREATE);
|
||
size[0] = size[1] = CH_SIZE;
|
||
H5Pset_chunk (dcpl, 2, size);
|
||
H5Zregister (FILTER_COUNTER, "counter", counter);
|
||
H5Pset_filter (dcpl, FILTER_COUNTER, 0, 0, NULL);
|
||
|
||
/* The dataset */
|
||
dset = H5Dcreate (file, "dset", H5T_NATIVE_SCHAR, space, dcpl);
|
||
assert (dset>=0);
|
||
|
||
/* The data */
|
||
buf = calloc (1, SQUARE (DS_SIZE*CH_SIZE));
|
||
H5Dwrite (dset, H5T_NATIVE_SCHAR, H5S_ALL, H5S_ALL, H5P_DEFAULT, buf);
|
||
free (buf);
|
||
|
||
/* Close */
|
||
H5Dclose (dset);
|
||
H5Sclose (space);
|
||
H5Pclose (dcpl);
|
||
H5Fclose (file);
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: test_rowmaj
|
||
*
|
||
* Purpose: Reads the entire dataset using the specified size-squared
|
||
* I/O requests in row major order.
|
||
*
|
||
* Return: Efficiency: data requested divided by data actually read.
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, May 14, 1998
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static double
|
||
test_rowmaj (int op, size_t cache_size, size_t io_size)
|
||
{
|
||
hid_t file, dset, mem_space, file_space;
|
||
signed char *buf = calloc (1, SQUARE(io_size));
|
||
hsize_t i, j, hs_size[2];
|
||
hssize_t hs_offset[2];
|
||
#ifdef H5_WANT_H5_V1_4_COMPAT
|
||
int mdc_nelmts, rdcc_nelmts;
|
||
#else /* H5_WANT_H5_V1_4_COMPAT */
|
||
int mdc_nelmts;
|
||
size_t rdcc_nelmts;
|
||
#endif /* H5_WANT_H5_V1_4_COMPAT */
|
||
double w0;
|
||
|
||
H5Pget_cache (fapl_g, &mdc_nelmts, &rdcc_nelmts, NULL, &w0);
|
||
#ifdef RM_W0
|
||
w0 = RM_W0;
|
||
#endif
|
||
#ifdef RM_NRDCC
|
||
rdcc_nelmts = RM_NRDCC;
|
||
#endif
|
||
H5Pset_cache (fapl_g, mdc_nelmts, rdcc_nelmts,
|
||
cache_size*SQUARE (CH_SIZE), w0);
|
||
file = H5Fopen (FILE_NAME, H5F_ACC_RDWR, fapl_g);
|
||
dset = H5Dopen (file, "dset");
|
||
file_space = H5Dget_space (dset);
|
||
nio_g = 0;
|
||
|
||
for (i=0; i<CH_SIZE*DS_SIZE; i+=io_size) {
|
||
#if 0
|
||
fprintf (stderr, "%5d\b\b\b\b\b", (int)i);
|
||
fflush (stderr);
|
||
#endif
|
||
for (j=0; j<CH_SIZE*DS_SIZE; j+=io_size) {
|
||
hs_offset[0] = i;
|
||
hs_size[0] = MIN (io_size, CH_SIZE*DS_SIZE-i);
|
||
hs_offset[1] = j;
|
||
hs_size[1] = MIN (io_size, CH_SIZE*DS_SIZE-j);
|
||
mem_space = H5Screate_simple (2, hs_size, hs_size);
|
||
H5Sselect_hyperslab (file_space, H5S_SELECT_SET, hs_offset,
|
||
NULL, hs_size, NULL);
|
||
|
||
if (READ==op) {
|
||
H5Dread (dset, H5T_NATIVE_SCHAR, mem_space, file_space,
|
||
H5P_DEFAULT, buf);
|
||
} else {
|
||
H5Dwrite (dset, H5T_NATIVE_SCHAR, mem_space, file_space,
|
||
H5P_DEFAULT, buf);
|
||
}
|
||
H5Sclose (mem_space);
|
||
}
|
||
}
|
||
|
||
free (buf);
|
||
H5Sclose (file_space);
|
||
H5Dclose (dset);
|
||
H5Fclose (file);
|
||
|
||
return (double)SQUARE(CH_SIZE*DS_SIZE)/(double)nio_g;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: test_diag
|
||
*
|
||
* Purpose: Reads windows diagonally across the dataset. Each window is
|
||
* offset from the previous window by OFFSET in the x and y
|
||
* directions. The reading ends after the (k,k) value is read
|
||
* where k is the maximum index in the dataset.
|
||
*
|
||
* Return: Efficiency.
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Friday, May 15, 1998
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static double
|
||
test_diag (int op, size_t cache_size, size_t io_size, size_t offset)
|
||
{
|
||
hid_t file, dset, mem_space, file_space;
|
||
hsize_t i, hs_size[2];
|
||
hsize_t nio = 0;
|
||
hssize_t hs_offset[2];
|
||
signed char *buf = calloc (1, SQUARE (io_size));
|
||
#ifdef H5_WANT_H5_V1_4_COMPAT
|
||
int mdc_nelmts, rdcc_nelmts;
|
||
#else /* H5_WANT_H5_V1_4_COMPAT */
|
||
int mdc_nelmts;
|
||
size_t rdcc_nelmts;
|
||
#endif /* H5_WANT_H5_V1_4_COMPAT */
|
||
double w0;
|
||
|
||
H5Pget_cache (fapl_g, &mdc_nelmts, &rdcc_nelmts, NULL, &w0);
|
||
#ifdef DIAG_W0
|
||
w0 = DIAG_W0;
|
||
#endif
|
||
#ifdef DIAG_NRDCC
|
||
rdcc_nelmts = DIAG_NRDCC;
|
||
#endif
|
||
H5Pset_cache (fapl_g, mdc_nelmts, rdcc_nelmts,
|
||
cache_size*SQUARE (CH_SIZE), w0);
|
||
file = H5Fopen (FILE_NAME, H5F_ACC_RDWR, fapl_g);
|
||
dset = H5Dopen (file, "dset");
|
||
file_space = H5Dget_space (dset);
|
||
nio_g = 0;
|
||
|
||
for (i=0, hs_size[0]=io_size; hs_size[0]==io_size; i+=offset) {
|
||
hs_offset[0] = hs_offset[1] = i;
|
||
hs_size[0] = hs_size[1] = MIN (io_size, CH_SIZE*DS_SIZE-i);
|
||
mem_space = H5Screate_simple (2, hs_size, hs_size);
|
||
H5Sselect_hyperslab (file_space, H5S_SELECT_SET, hs_offset, NULL,
|
||
hs_size, NULL);
|
||
if (READ==op) {
|
||
H5Dread (dset, H5T_NATIVE_SCHAR, mem_space, file_space,
|
||
H5P_DEFAULT, buf);
|
||
} else {
|
||
H5Dwrite (dset, H5T_NATIVE_SCHAR, mem_space, file_space,
|
||
H5P_DEFAULT, buf);
|
||
}
|
||
H5Sclose (mem_space);
|
||
nio += hs_size[0]*hs_size[1];
|
||
if (i>0) nio -= SQUARE (io_size-offset);
|
||
}
|
||
|
||
free (buf);
|
||
H5Sclose (file_space);
|
||
H5Dclose (dset);
|
||
H5Fclose (file);
|
||
|
||
/*
|
||
* The extra cast in the following statement is a bug workaround for the
|
||
* Win32 version 5.0 compiler.
|
||
* 1998-11-06 ptl
|
||
*/
|
||
return (double)(hssize_t)nio/(hssize_t)nio_g;
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: main
|
||
*
|
||
* Purpose: See file prologue.
|
||
*
|
||
* Return: Success:
|
||
*
|
||
* Failure:
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, May 14, 1998
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
int
|
||
main (void)
|
||
{
|
||
size_t io_size;
|
||
double effic, io_percent;
|
||
FILE *f, *d;
|
||
size_t cache_size;
|
||
double w0;
|
||
|
||
/*
|
||
* Create a global file access property list.
|
||
*/
|
||
fapl_g = H5Pcreate (H5P_FILE_ACCESS);
|
||
H5Pget_cache (fapl_g, NULL, NULL, NULL, &w0);
|
||
|
||
/* Create the file */
|
||
create_dataset ();
|
||
f = fopen ("x-gnuplot", "w");
|
||
|
||
printf("Test %8s %8s %8s\n", "CacheSz", "ChunkSz", "Effic");
|
||
printf("--------- -------- -------- --------\n");
|
||
|
||
#if 1
|
||
/*
|
||
* Test row-major reading of the dataset with various sizes of request
|
||
* windows.
|
||
*/
|
||
if (RM_CACHE_STRT==RM_CACHE_END) {
|
||
fprintf (f, "set yrange [0:1.2]\n");
|
||
fprintf (f, "set ytics 0, 0.1, 1\n");
|
||
fprintf (f, "set xlabel \"%s\"\n",
|
||
"Request size as a fraction of chunk size");
|
||
fprintf (f, "set ylabel \"Efficiency\"\n");
|
||
fprintf (f, "set title \"Cache %d chunks, w0=%g, "
|
||
"Size=(total=%d, chunk=%d)\"\n",
|
||
RM_CACHE_STRT, w0, DS_SIZE*CH_SIZE, CH_SIZE);
|
||
} else {
|
||
fprintf (f, "set autoscale\n");
|
||
fprintf (f, "set hidden3d\n");
|
||
}
|
||
|
||
fprintf (f, "set terminal postscript\nset output \"x-rowmaj-rd.ps\"\n");
|
||
fprintf (f, "%s \"x-rowmaj-rd.dat\" title \"RowMaj-Read\" with %s\n",
|
||
RM_CACHE_STRT==RM_CACHE_END?"plot":"splot",
|
||
LINESPOINTS);
|
||
fprintf (f, "set terminal x11\nreplot\n");
|
||
d = fopen ("x-rowmaj-rd.dat", "w");
|
||
for (cache_size=RM_CACHE_STRT;
|
||
cache_size<=RM_CACHE_END;
|
||
cache_size+=RM_CACHE_DELT) {
|
||
for (io_percent=RM_START; io_percent<=RM_END; io_percent+=RM_DELTA) {
|
||
io_size = MAX (1, (size_t)(CH_SIZE*io_percent));
|
||
printf ("Rowmaj-rd %8d %8.2f", cache_size, io_percent);
|
||
fflush (stdout);
|
||
effic = test_rowmaj (READ, cache_size, io_size);
|
||
printf (" %8.2f\n", effic);
|
||
if (RM_CACHE_STRT==RM_CACHE_END) {
|
||
fprintf (d, "%g %g\n", io_percent, effic);
|
||
} else {
|
||
fprintf (d, "%g\n", effic);
|
||
}
|
||
}
|
||
fprintf (d, "\n");
|
||
}
|
||
fclose (d);
|
||
fprintf (f, "pause -1\n");
|
||
#endif
|
||
|
||
#if 1
|
||
/*
|
||
* Test row-major writing of the dataset with various sizes of request
|
||
* windows.
|
||
*/
|
||
if (RM_CACHE_STRT==RM_CACHE_END) {
|
||
fprintf (f, "set yrange [0:1.2]\n");
|
||
fprintf (f, "set ytics 0, 0.1, 1\n");
|
||
fprintf (f, "set xlabel \"%s\"\n",
|
||
"Request size as a fraction of chunk size");
|
||
fprintf (f, "set ylabel \"Efficiency\"\n");
|
||
fprintf (f, "set title \"Cache %d chunks,w0=%g, "
|
||
"Size=(total=%d, chunk=%d)\"\n",
|
||
RM_CACHE_STRT, w0, DS_SIZE*CH_SIZE, CH_SIZE);
|
||
} else {
|
||
fprintf (f, "set autoscale\n");
|
||
fprintf (f, "set hidden3d\n");
|
||
}
|
||
|
||
fprintf (f, "set terminal postscript\nset output \"x-rowmaj-wr.ps\"\n");
|
||
fprintf (f, "%s \"x-rowmaj-wr.dat\" title \"RowMaj-Write\" with %s\n",
|
||
RM_CACHE_STRT==RM_CACHE_END?"plot":"splot",
|
||
LINESPOINTS);
|
||
fprintf (f, "set terminal x11\nreplot\n");
|
||
d = fopen ("x-rowmaj-wr.dat", "w");
|
||
for (cache_size=RM_CACHE_STRT;
|
||
cache_size<=RM_CACHE_END;
|
||
cache_size+=RM_CACHE_DELT) {
|
||
for (io_percent=RM_START; io_percent<=RM_END; io_percent+=RM_DELTA) {
|
||
io_size = MAX (1, (size_t)(CH_SIZE*io_percent));
|
||
printf ("Rowmaj-wr %8d %8.2f", cache_size, io_percent);
|
||
fflush (stdout);
|
||
effic = test_rowmaj (WRITE, cache_size, io_size);
|
||
printf (" %8.2f\n", effic);
|
||
if (RM_CACHE_STRT==RM_CACHE_END) {
|
||
fprintf (d, "%g %g\n", io_percent, effic);
|
||
} else {
|
||
fprintf (d, "%g\n", effic);
|
||
}
|
||
}
|
||
fprintf (d, "\n");
|
||
}
|
||
fclose (d);
|
||
fprintf (f, "pause -1\n");
|
||
#endif
|
||
|
||
#if 1
|
||
/*
|
||
* Test diagonal read
|
||
*/
|
||
if (DIAG_CACHE_STRT==DIAG_CACHE_END) {
|
||
fprintf (f, "set yrange [0:1.2]\n");
|
||
fprintf (f, "set ytics 0, 0.1, 1\n");
|
||
fprintf (f, "set xlabel \"%s\"\n",
|
||
"Request size as a fraction of chunk size");
|
||
fprintf (f, "set ylabel \"Efficiency\"\n");
|
||
fprintf (f, "set title \"Cache %d chunks,w0=%g, "
|
||
"Size=(total=%d, chunk=%d)\"\n",
|
||
DIAG_CACHE_STRT, w0, DS_SIZE*CH_SIZE, CH_SIZE);
|
||
} else {
|
||
fprintf (f, "set autoscale\n");
|
||
fprintf (f, "set hidden3d\n");
|
||
}
|
||
fprintf (f, "set terminal postscript\nset output \"x-diag-rd.ps\"\n");
|
||
fprintf (f, "%s \"x-diag-rd.dat\" title \"Diag-Read\" with %s\n",
|
||
DIAG_CACHE_STRT==DIAG_CACHE_END?"plot":"splot", LINESPOINTS);
|
||
fprintf (f, "set terminal x11\nreplot\n");
|
||
d = fopen ("x-diag-rd.dat", "w");
|
||
for (cache_size=DIAG_CACHE_STRT;
|
||
cache_size<=DIAG_CACHE_END;
|
||
cache_size+=DIAG_CACHE_DELT) {
|
||
for (io_percent=DIAG_START;
|
||
io_percent<=DIAG_END;
|
||
io_percent+=DIAG_DELTA) {
|
||
io_size = MAX (1, (size_t)(CH_SIZE*io_percent));
|
||
printf ("Diag-rd %8d %8.2f", cache_size, io_percent);
|
||
fflush (stdout);
|
||
effic = test_diag (READ, cache_size, io_size, MAX (1, io_size/2));
|
||
printf (" %8.2f\n", effic);
|
||
if (DIAG_CACHE_STRT==DIAG_CACHE_END) {
|
||
fprintf (d, "%g %g\n", io_percent, effic);
|
||
} else {
|
||
fprintf (d, "%g\n", effic);
|
||
}
|
||
}
|
||
fprintf (d, "\n");
|
||
}
|
||
fclose (d);
|
||
fprintf (f, "pause -1\n");
|
||
#endif
|
||
|
||
#if 1
|
||
/*
|
||
* Test diagonal write
|
||
*/
|
||
if (DIAG_CACHE_STRT==DIAG_CACHE_END) {
|
||
fprintf (f, "set yrange [0:1.2]\n");
|
||
fprintf (f, "set ytics 0, 0.1, 1\n");
|
||
fprintf (f, "set xlabel \"%s\"\n",
|
||
"Request size as a fraction of chunk size");
|
||
fprintf (f, "set ylabel \"Efficiency\"\n");
|
||
fprintf (f, "set title \"Cache %d chunks, w0=%g, "
|
||
"Size=(total=%d, chunk=%d)\"\n",
|
||
DIAG_CACHE_STRT, w0, DS_SIZE*CH_SIZE, CH_SIZE);
|
||
} else {
|
||
fprintf (f, "set autoscale\n");
|
||
fprintf (f, "set hidden3d\n");
|
||
}
|
||
fprintf (f, "set terminal postscript\nset output \"x-diag-wr.ps\"\n");
|
||
fprintf (f, "%s \"x-diag-wr.dat\" title \"Diag-Write\" with %s\n",
|
||
DIAG_CACHE_STRT==DIAG_CACHE_END?"plot":"splot", LINESPOINTS);
|
||
fprintf (f, "set terminal x11\nreplot\n");
|
||
d = fopen ("x-diag-wr.dat", "w");
|
||
for (cache_size=DIAG_CACHE_STRT;
|
||
cache_size<=DIAG_CACHE_END;
|
||
cache_size+=DIAG_CACHE_DELT) {
|
||
for (io_percent=DIAG_START;
|
||
io_percent<=DIAG_END;
|
||
io_percent+=DIAG_DELTA) {
|
||
io_size = MAX (1, (size_t)(CH_SIZE*io_percent));
|
||
printf ("Diag-wr %8d %8.2f", cache_size, io_percent);
|
||
fflush (stdout);
|
||
effic = test_diag (WRITE, cache_size, io_size, MAX (1, io_size/2));
|
||
printf (" %8.2f\n", effic);
|
||
if (DIAG_CACHE_STRT==DIAG_CACHE_END) {
|
||
fprintf (d, "%g %g\n", io_percent, effic);
|
||
} else {
|
||
fprintf (d, "%g\n", effic);
|
||
}
|
||
}
|
||
fprintf (d, "\n");
|
||
}
|
||
fclose (d);
|
||
fprintf (f, "pause -1\n");
|
||
#endif
|
||
|
||
|
||
H5Pclose (fapl_g);
|
||
fclose (f);
|
||
return 0;
|
||
}
|
||
|