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-rw-r--r--tools/perform/sio_engine.c1313
1 files changed, 0 insertions, 1313 deletions
diff --git a/tools/perform/sio_engine.c b/tools/perform/sio_engine.c
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index abf1fa6..0000000
--- a/tools/perform/sio_engine.c
+++ /dev/null
@@ -1,1313 +0,0 @@
-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * Copyright by The HDF Group. *
- * 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. *
- * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-
-/*
- * Author: Christian Chilan, April 2008
- */
-
-#include "hdf5.h"
-
-#ifdef H5_STDC_HEADERS
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <stdlib.h>
-#endif
-
-#ifdef H5_HAVE_UNISTD_H
-#include <sys/types.h>
-#include <unistd.h>
-#endif
-
-#ifdef H5_HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-
-#include "sio_perf.h"
-
-/* Macro definitions */
-
-/* sizes of various items. these sizes won't change during program execution */
-#define ELMT_H5_TYPE H5T_NATIVE_UCHAR
-
-#define GOTOERROR(errcode) { ret_code = errcode; goto done; }
-#define ERRMSG(mesg) { \
- fprintf(stderr, "*** Assertion failed (%s) at line %4d in %s\n", \
- mesg, (int)__LINE__, __FILE__); \
-}
-
-/* verify: if val is false (0), print mesg. */
-#define VRFY(val, mesg) do { \
- if (!val) { \
- ERRMSG(mesg); \
- GOTOERROR(FAIL); \
- } \
-} while(0)
-
-/* POSIX I/O macros */
-#define POSIXCREATE(fn) HDopen(fn, O_CREAT|O_TRUNC|O_RDWR, 0600)
-#define POSIXOPEN(fn, F) HDopen(fn, F, 0600)
-#define POSIXCLOSE(F) HDclose(F)
-#define POSIXSEEK(F,L) HDlseek(F, L, SEEK_SET)
-#define POSIXWRITE(F,B,S) HDwrite(F,B,S)
-#define POSIXREAD(F,B,S) HDread(F,B,S)
-
-enum {
- SIO_CREATE = 1,
- SIO_WRITE = 2,
- SIO_READ = 4
-};
-
-/* Global variables */
-static int clean_file_g = -1; /*whether to cleanup temporary test */
-/*files. -1 is not defined; */
-/*0 is no cleanup; 1 is do cleanup */
-
-/* the different types of file descriptors we can expect */
-typedef union _file_descr {
- int posixfd; /* POSIX file handle*/
- hid_t h5fd; /* HDF5 file */
-} file_descr;
-
-/* local functions */
-static char *sio_create_filename(iotype iot, const char *base_name,
- char *fullname, size_t size, parameters *param);
-static herr_t do_write(results *res, file_descr *fd, parameters *parms, void *buffer);
-static herr_t do_read(results *res, file_descr *fd, parameters *parms, void *buffer);
-static herr_t dset_write(int local_dim, file_descr *fd, parameters *parms, void *buffer);
-static herr_t posix_buffer_write(int local_dim, file_descr *fd, parameters *parms, void *buffer);
-static herr_t dset_read(int localrank, file_descr *fd, parameters *parms, void *buffer, const char *buffer2);
-static herr_t posix_buffer_read(int local_dim, file_descr *fd, parameters *parms, void *buffer);
-static herr_t do_fopen(parameters *param, char *fname, file_descr *fd /*out*/,
- int flags);
-hid_t set_vfd(parameters *param);
-static herr_t do_fclose(iotype iot, file_descr *fd);
-static void do_cleanupfile(iotype iot, char *fname);
-
-/* global variables */
-static HDoff_t offset[MAX_DIMS]; /* dataset size in bytes */
-static size_t buf_offset[MAX_DIMS]; /* dataset size in bytes */
-static int order[MAX_DIMS]; /* dimension access order */
-static size_t linear_buf_size; /* linear buffer size */
-static int cont_dim; /* lowest dimension for contiguous POSIX
- access */
-static size_t cont_size; /* size of contiguous POSIX access */
-static hid_t fapl; /* file access list */
-static unsigned char *buf_p; /* buffer pointer */
-static const char *multi_letters = "msbrglo"; /* string for multi driver */
-
-/* HDF5 global variables */
-static hsize_t h5count[MAX_DIMS]; /*selection count */
-static hssize_t h5offset[MAX_DIMS]; /* Selection offset within dataspace */
-static hid_t h5dset_space_id = -1; /*dataset space ID */
-static hid_t h5mem_space_id = -1; /*memory dataspace ID */
-static hid_t h5ds_id = -1; /*dataset handle */
-static hid_t h5dcpl = -1; /* Dataset creation property list */
-static hid_t h5dxpl = -1; /* Dataset transfer property list */
-
-/*
- * Function: do_sio
- * Purpose: SIO Engine where IO are executed.
- * Return: results
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-void
-do_sio(parameters param, results *res)
-{
- char *buffer = NULL; /*data buffer pointer */
- size_t buf_size[MAX_DIMS]; /* general buffer size in bytes */
- file_descr fd; /* file handles */
- iotype iot; /* API type */
- char base_name[256]; /* test file base name */
- /* return codes */
- herr_t ret_code = 0; /*return code */
-
- char fname[FILENAME_MAX]; /* test file name */
- int i;
- /* HDF5 variables */
- herr_t hrc; /*HDF5 return code */
-
- /* Sanity check parameters */
-
- /* IO type */
- iot = param.io_type;
-
- switch (iot) {
- case POSIXIO:
- fd.posixfd = -1;
- res->timers = io_time_new(SYS_CLOCK);
- break;
- case HDF5:
- fd.h5fd = -1;
- res->timers = io_time_new(SYS_CLOCK);
- break;
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)iot);
- GOTOERROR(FAIL);
- }
-
- linear_buf_size = 1;
-
- for (i=0; i<param.rank; i++){
- buf_size[i] = param.buf_size[i];
- order[i] = param.order[i];
- linear_buf_size *= buf_size[i];
- buf_offset[i] = 0;
- offset[i] = 0;
-
- /* Validate transfer buffer size */
- if (param.buf_size[i]<=0) {
- HDfprintf(stderr,
- "Transfer buffer size[%d] (%zu) must be > 0\n", i,buf_size[i]);
- GOTOERROR(FAIL);
- }
-
- if ((param.dset_size[i]%param.buf_size[i])!=0) {
- HDfprintf(stderr,
- "Dataset size[%d] (%" H5_PRINTF_LL_WIDTH "d) must be a multiple of the "
- "trasfer buffer size[%d] (%zu)\n",param.rank,
- (long long)param.dset_size[i], param.rank, param.buf_size[i]);
- GOTOERROR(FAIL);
- }
-
- }
-
- /* Allocate transfer buffer */
- if ((buffer = (char *)malloc(linear_buf_size)) == NULL){
- HDfprintf(stderr, "malloc for transfer buffer size (%zu) failed\n", linear_buf_size);
- GOTOERROR(FAIL);
- }
-
- if (sio_debug_level >= 4)
-
- /* output all of the times for all iterations */
- fprintf(output, "Timer details:\n");
-
- /*
- * Write performance measurement
- */
- /* Open file for write */
-
- HDstrcpy(base_name, "#sio_tmp");
- sio_create_filename(iot, base_name, fname, sizeof(fname), &param);
-
- if (sio_debug_level > 0)
- HDfprintf(output, "data filename=%s\n",
- fname);
-
- set_time(res->timers, HDF5_GROSS_WRITE_FIXED_DIMS, TSTART);
- hrc = do_fopen(&param, fname, &fd, SIO_CREATE | SIO_WRITE);
- VRFY((hrc == SUCCESS), "do_fopen failed");
-
- set_time(res->timers, HDF5_FINE_WRITE_FIXED_DIMS, TSTART);
- hrc = do_write(res, &fd, &param, buffer);
- set_time(res->timers, HDF5_FINE_WRITE_FIXED_DIMS, TSTOP);
- VRFY((hrc == SUCCESS), "do_write failed");
-
- /* Close file for write */
- hrc = do_fclose(iot, &fd);
- set_time(res->timers, HDF5_GROSS_WRITE_FIXED_DIMS, TSTOP);
- VRFY((hrc == SUCCESS), "do_fclose failed");
-
- if (!param.h5_write_only) {
- /*
- * Read performance measurement
- */
-
- /* Open file for read */
- set_time(res->timers, HDF5_GROSS_READ_FIXED_DIMS, TSTART);
- hrc = do_fopen(&param, fname, &fd, SIO_READ);
- VRFY((hrc == SUCCESS), "do_fopen failed");
-
- set_time(res->timers, HDF5_FINE_READ_FIXED_DIMS, TSTART);
- hrc = do_read(res, &fd, &param, buffer);
- set_time(res->timers, HDF5_FINE_READ_FIXED_DIMS, TSTOP);
- VRFY((hrc == SUCCESS), "do_read failed");
-
- /* Close file for read */
- hrc = do_fclose(iot, &fd);
-
- set_time(res->timers, HDF5_GROSS_READ_FIXED_DIMS, TSTOP);
- VRFY((hrc == SUCCESS), "do_fclose failed");
- }
-
- do_cleanupfile(iot, fname);
-
-done:
- /* clean up */
- /* release HDF5 objects */
-
- /* close any opened files */
- /* no remove(fname) because that should have happened normally. */
- switch (iot) {
- case POSIXIO:
- if (fd.posixfd != -1)
- hrc = do_fclose(iot, &fd);
- break;
- case HDF5:
- if (fd.h5fd != -1)
- hrc = do_fclose(iot, &fd);
- break;
- default:
- /* unknown request */
- HDassert(0 && "Unknown IO type");
- break;
- }
-
- /* release generic resources */
- if (buffer)
- free(buffer);
-
- res->ret_code = ret_code;
-}
-
-/*
- * Function: sio_create_filename
- * Purpose: Create a new filename to write to. Determine the correct
- * suffix to append to the filename by the type of I/O we're
- * doing. Also, place in the /tmp/{$USER,$LOGIN} directory if
- * USER or LOGIN are specified in the environment.
- * Return: Pointer to filename or NULL
- * Programmer: Bill Wendling, 21. November 2001
- * Modifications: Support for file drivers. Christian Chilan, April, 2008
- */
- static char *
-sio_create_filename(iotype iot, const char *base_name, char *fullname, size_t size, parameters *param)
-{
- const char *prefix, *suffix="";
- char *ptr, last = '\0';
- size_t i, j;
- vfdtype vfd;
- vfd = param->vfd;
-
- if (!base_name || !fullname || size < 1)
- return NULL;
-
- memset(fullname, 0, size);
-
- switch (iot) {
- case POSIXIO:
- suffix = ".posix";
- break;
- case HDF5:
- suffix = ".h5";
- if (vfd == family)
- suffix = "%05d.h5";
- else if (vfd == multi)
- suffix = NULL;
- break;
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)iot);
- HDassert(0 && "Unknown IO type");
- break;
- }
-
- /* First use the environment variable and then try the constant */
- prefix = HDgetenv("HDF5_PREFIX");
-
-#ifdef HDF5_PREFIX
- if (!prefix)
- prefix = HDF5_PREFIX;
-#endif /* HDF5_PREFIX */
-
- /* Prepend the prefix value to the base name */
- if (prefix && *prefix) {
- /* If the prefix specifies the HDF5_PREFIX directory, then
- * default to using the "/tmp/$USER" or "/tmp/$LOGIN"
- * directory instead. */
- register char *user, *login, *subdir;
-
- user = HDgetenv("USER");
- login = HDgetenv("LOGIN");
- subdir = (user ? user : login);
-
- if (subdir) {
- for (i = 0; i < size-1 && prefix[i]; i++)
- fullname[i] = prefix[i];
-
- fullname[i++] = '/';
-
- for (j = 0; i < size && subdir[j]; i++, j++)
- fullname[i] = subdir[j];
- } else {
- /* We didn't append the prefix yet */
- HDstrncpy(fullname, prefix, size);
- fullname[size - 1] = '\0';
- }
-
- if ((HDstrlen(fullname) + HDstrlen(base_name) + 1) < size) {
- /* Append the base_name with a slash first. Multiple slashes are
- * handled below. */
- h5_stat_t buf;
-
- if (HDstat(fullname, &buf) < 0)
- /* The directory doesn't exist just yet */
- if (HDmkdir(fullname, 0755) < 0 && errno != EEXIST) {
- /* We couldn't make the "/tmp/${USER,LOGIN}" subdirectory.
- * Default to PREFIX's original prefix value. */
- HDstrcpy(fullname, prefix);
- }
-
- HDstrcat(fullname, "/");
- HDstrcat(fullname, base_name);
- } else {
- /* Buffer is too small */
- return NULL;
- }
- } else if (strlen(base_name) >= size) {
- /* Buffer is too small */
- return NULL;
- } else {
- HDstrcpy(fullname, base_name);
- }
-
- /* Append a suffix */
- if (suffix) {
- if (HDstrlen(fullname) + HDstrlen(suffix) >= size)
- return NULL;
-
- HDstrcat(fullname, suffix);
- }
-
- /* Remove any double slashes in the filename */
- for (ptr = fullname, i = j = 0; ptr && (i < size); i++, ptr++) {
- if (*ptr != '/' || last != '/')
- fullname[j++] = *ptr;
-
- last = *ptr;
- }
-
- return fullname;
-}
-
-/*
- * Function: do_write
- * Purpose: Write the required amount of data to the file.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-static herr_t
-do_write(results *res, file_descr *fd, parameters *parms, void *buffer)
-{
- int ret_code = SUCCESS;
- char dname[64];
- int i;
- size_t u;
- /* HDF5 variables */
- herr_t hrc; /*HDF5 return code */
- hsize_t h5dims[MAX_DIMS]; /*dataset dim sizes */
- hsize_t h5chunk[MAX_DIMS]; /*dataset dim sizes */
- hsize_t h5block[MAX_DIMS]; /*dataspace selection */
- hsize_t h5stride[MAX_DIMS]; /*selection stride */
- hsize_t h5start[MAX_DIMS]; /*selection start */
- hsize_t h5maxdims[MAX_DIMS];
- int rank; /*rank of dataset */
-
- /* Prepare buffer for verifying data */
-/* if (parms->verify)
- memset(buffer,1,linear_buf_size); */
-
- buf_p=(unsigned char *)buffer;
-
- for(u = 0; u < linear_buf_size; u++)
- buf_p[u] = u % 128;
-
- rank = parms->rank;
-
- for(i = 0; i < rank; i++)
- h5offset[i] = offset[i] = 0;
-
- /* I/O Access specific setup */
- switch (parms->io_type) {
- case POSIXIO:
-
- /* determine lowest dimension for contiguous POSIX access */
- cont_dim = rank;
-
- for (i=rank-1; i>=0; i--) {
- if (parms->buf_size[i]==parms->dset_size[i])
- cont_dim = i;
- else
- break;
- }
-
- /* determine size of the contiguous POSIX access */
- cont_size = (!cont_dim)? 1 : parms->buf_size[cont_dim-1];
- for (i=cont_dim; i<rank; i++)
- cont_size *= parms->buf_size[i];
-
- break;
-
- case HDF5: /* HDF5 setup */
-
- for (i=0; i < rank; i++){
- h5dims[i] = parms->dset_size[i];
- h5start[i] = 0;
- h5stride[i] = 1;
- h5block[i] = 1;
- h5count[i] = parms->buf_size[i];
- h5chunk[i] = parms->chk_size[i];
- h5maxdims[i] = H5S_UNLIMITED;
-
- }
-
- if (parms->h5_use_chunks && parms->h5_extendable) {
- h5dset_space_id = H5Screate_simple(rank, h5count, h5maxdims);
- VRFY((h5dset_space_id >= 0), "H5Screate_simple");
- }
- else {
- h5dset_space_id = H5Screate_simple(rank, h5dims, NULL);
- VRFY((h5dset_space_id >= 0), "H5Screate_simple");
- }
-
- hrc = H5Sselect_hyperslab(h5dset_space_id, H5S_SELECT_SET,
- h5start, h5stride, h5count, h5block);
- VRFY((hrc >= 0), "H5Sselect_hyperslab");
-
- /* Create the memory dataspace that corresponds to the xfer buffer */
- h5mem_space_id = H5Screate_simple(rank, h5count, NULL);
- VRFY((h5mem_space_id >= 0), "H5Screate_simple");
-
- /* Create the dataset transfer property list */
- h5dxpl = H5Pcreate(H5P_DATASET_XFER);
- if (h5dxpl < 0) {
- fprintf(stderr, "HDF5 Property List Create failed\n");
- GOTOERROR(FAIL);
- }
-
- break;
-
- default:
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)parms->io_type);
- GOTOERROR(FAIL);
- break;
- } /* end switch */
-
-
- /* create dataset */
- switch (parms->io_type) {
- case POSIXIO:
- break;
-
- case HDF5:
- h5dcpl = H5Pcreate(H5P_DATASET_CREATE);
-
- if (h5dcpl < 0) {
- fprintf(stderr, "HDF5 Property List Create failed\n");
- GOTOERROR(FAIL);
- }
-
- if(parms->h5_use_chunks) {
- /* Set the chunk size to be the same as the buffer size */
- hrc = H5Pset_chunk(h5dcpl, rank, h5chunk);
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Property List Set failed\n");
- GOTOERROR(FAIL);
- } /* end if */
- } /* end if */
-
- sprintf(dname, "Dataset_%ld", (unsigned long)parms->num_bytes);
- h5ds_id = H5Dcreate2(fd->h5fd, dname, ELMT_H5_TYPE,
- h5dset_space_id, H5P_DEFAULT, h5dcpl, H5P_DEFAULT);
-
- if (h5ds_id < 0) {
- HDfprintf(stderr, "HDF5 Dataset Create failed\n");
- GOTOERROR(FAIL);
- }
-
- hrc = H5Pclose(h5dcpl);
- /* verifying the close of the dcpl */
- if (hrc < 0) {
- HDfprintf(stderr, "HDF5 Property List Close failed\n");
- GOTOERROR(FAIL);
- }
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)parms->io_type);
- GOTOERROR(FAIL);
- break;
- }
-
- /* Start "raw data" write timer */
- set_time(res->timers, HDF5_RAW_WRITE_FIXED_DIMS, TSTART);
-
- /* Perform write */
- hrc = dset_write(rank-1, fd, parms, buffer);
-
- if (hrc < 0) {
- fprintf(stderr, "Error in dataset write\n");
- GOTOERROR(FAIL);
- }
-
-
- /* Stop "raw data" write timer */
- set_time(res->timers, HDF5_RAW_WRITE_FIXED_DIMS, TSTOP);
-
- /* Calculate write time */
-
- /* Close dataset. Only HDF5 needs to do an explicit close. */
- if (parms->io_type == HDF5) {
- hrc = H5Dclose(h5ds_id);
-
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Dataset Close failed\n");
- GOTOERROR(FAIL);
- }
-
- h5ds_id = -1;
- } /* end if */
-
-done:
-
- /* release HDF5 objects */
- if (h5dset_space_id != -1) {
- hrc = H5Sclose(h5dset_space_id);
- if (hrc < 0){
- fprintf(stderr, "HDF5 Dataset Space Close failed\n");
- ret_code = FAIL;
- } else {
- h5dset_space_id = -1;
- }
- }
-
- if (h5mem_space_id != -1) {
- hrc = H5Sclose(h5mem_space_id);
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Memory Space Close failed\n");
- ret_code = FAIL;
- } else {
- h5mem_space_id = -1;
- }
- }
-
- if (h5dxpl != -1) {
- hrc = H5Pclose(h5dxpl);
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Dataset Transfer Property List Close failed\n");
- ret_code = FAIL;
- } else {
- h5dxpl = -1;
- }
- }
-
- return ret_code;
-}
-
-/*
- * Function: dset_write
- * Purpose: Write buffer into the dataset.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-static herr_t
-dset_write(int local_dim, file_descr *fd, parameters *parms, void *buffer)
-{
- int cur_dim = order[local_dim]-1;
- int ret_code = SUCCESS;
- int k;
- hsize_t dims[MAX_DIMS], maxdims[MAX_DIMS];
- hsize_t i;
- int j;
- herr_t hrc;
-
- /* iterates according to the dimensions in order array */
- for (i=0; i < parms->dset_size[cur_dim]; i += parms->buf_size[cur_dim]){
-
- h5offset[cur_dim] = (hssize_t)i;
- offset[cur_dim] = (HDoff_t)i;
-
- if (local_dim > 0){
-
- dset_write(local_dim-1, fd, parms, buffer);
-
- }else{
-
- switch (parms->io_type) {
-
- case POSIXIO:
- /* initialize POSIX offset in the buffer */
- for(j = 0; j < parms->rank; j++)
- buf_offset[j] = 0;
- buf_p = (unsigned char *)buffer;
- /* write POSIX buffer */
- posix_buffer_write(0, fd, parms, buffer);
- break;
-
- case HDF5:
- /* if dimensions are extendable, extend them as needed during access */
- if (parms->h5_use_chunks && parms->h5_extendable) {
-
- hrc=H5Sget_simple_extent_dims(h5dset_space_id,dims,maxdims);
- VRFY((hrc >= 0), "H5Sget_simple_extent_dims");
-
- for (k=0; k < parms->rank; k++){
-
- HDassert(h5offset[k] >= 0);
- if (dims[k] <= (hsize_t)h5offset[k]) {
- dims[k] = dims[k]+h5count[k];
- hrc=H5Sset_extent_simple(h5dset_space_id,parms->rank,dims,maxdims);
- VRFY((hrc >= 0), "H5Sset_extent_simple");
- hrc=H5Dset_extent(h5ds_id,dims);
- VRFY((hrc >= 0), "H5Dextend");
- }
- }
- }
- /* applies offset */
- hrc = H5Soffset_simple(h5dset_space_id, h5offset);
- VRFY((hrc >= 0), "H5Soffset_simple");
-
- /* Write the buffer out */
- hrc=H5Sget_simple_extent_dims(h5dset_space_id,dims,maxdims);
- hrc = H5Dwrite(h5ds_id, ELMT_H5_TYPE, h5mem_space_id,
- h5dset_space_id, h5dxpl, buffer);
- VRFY((hrc >= 0), "H5Dwrite");
-
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)parms->io_type);
- HDassert(0 && "Unknown IO type");
- break;
- } /* switch (parms->io_type) */
- }
- }
-done:
- return ret_code;
-}
-
-/*
- * Function: posix_buffer_write
- * Purpose: Write buffer into the POSIX file considering contiguity.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-
-static herr_t
-posix_buffer_write(int local_dim, file_descr *fd, parameters *parms, void *buffer)
-{
- int ret_code = SUCCESS;
-
- /* if dimension is not contiguous, call recursively */
- if (local_dim < parms->rank-1 && local_dim != cont_dim) {
- size_t u;
-
- for(u = 0; u < parms->buf_size[local_dim]; u ++) {
- buf_offset[local_dim] = u;
- posix_buffer_write(local_dim+1, fd, parms, buffer);
-
- /* if next dimension is cont_dim, it will fill out the buffer
- traversing the entire dimension local_dim without the need
- of performing iteration */
- if (local_dim+1==cont_dim)
- break;
- }
- /* otherwise, perform contiguous POSIX access */
- } else {
- HDoff_t d_offset;
- HDoff_t linear_dset_offset = 0;
- int i, j, rc;
-
- buf_offset[local_dim] = 0;
-
- /* determine offset in the buffer */
- for(i = 0; i < parms->rank; i++) {
- d_offset = 1;
-
- for(j = i + 1; j < parms->rank; j++)
- d_offset *= (HDoff_t)parms->dset_size[j];
-
- linear_dset_offset += (offset[i] + (HDoff_t)buf_offset[i]) * d_offset;
- }
-
- /* only care if seek returns error */
- rc = POSIXSEEK(fd->posixfd, linear_dset_offset) < 0 ? -1 : 0;
- VRFY((rc==0), "POSIXSEEK");
- /* check if all bytes are written */
- rc = ((ssize_t)cont_size ==
- POSIXWRITE(fd->posixfd, buf_p, cont_size));
- VRFY((rc != 0), "POSIXWRITE");
-
- /* Advance location in buffer */
- buf_p += cont_size;
-
- }
-
-done:
- return ret_code;
-}
-
-/*
- * Function: do_read
- * Purpose: Read the required amount of data to the file.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-static herr_t
-do_read(results *res, file_descr *fd, parameters *parms, void *buffer)
-{
- char *buffer2 = NULL; /* Buffer for data verification */
- int ret_code = SUCCESS;
- char dname[64];
- int i;
- size_t u;
- /* HDF5 variables */
- herr_t hrc; /*HDF5 return code */
- hsize_t h5dims[MAX_DIMS]; /*dataset dim sizes */
- hsize_t h5block[MAX_DIMS]; /*dataspace selection */
- hsize_t h5stride[MAX_DIMS]; /*selection stride */
- hsize_t h5start[MAX_DIMS]; /*selection start */
- int rank;
-
- /* Allocate data verification buffer */
- if(NULL == (buffer2 = (char *)malloc(linear_buf_size))) {
- HDfprintf(stderr, "malloc for data verification buffer size (%Zu) failed\n", linear_buf_size);
- GOTOERROR(FAIL);
- } /* end if */
-
- /* Prepare buffer for verifying data */
- for(u = 0; u < linear_buf_size; u++)
- buffer2[u] = (char)(u % 128);
-
- rank = parms->rank;
- for(i = 0; i < rank; i++)
- h5offset[i] = offset[i] = 0;
-
- /* I/O Access specific setup */
- switch (parms->io_type) {
- case POSIXIO:
- cont_dim = rank;
-
- for (i=rank-1; i>=0; i--) {
- if (parms->buf_size[i]==parms->dset_size[i])
- cont_dim = i;
- else
- break;
- }
- cont_size = (!cont_dim)? 1 : parms->buf_size[cont_dim-1];
- for (i=cont_dim; i<rank; i++)
- cont_size *= parms->buf_size[i];
-
- break;
-
- case HDF5: /* HDF5 setup */
- for (i=0; i < rank; i++){
- h5dims[i] = parms->dset_size[i];
- h5start[i] = 0;
- h5stride[i] = 1;
- h5block[i] = 1;
- h5count[i] = parms->buf_size[i];
- }
-
- h5dset_space_id = H5Screate_simple(rank, h5dims, NULL);
- VRFY((h5dset_space_id >= 0), "H5Screate_simple");
-
- hrc = H5Sselect_hyperslab(h5dset_space_id, H5S_SELECT_SET,
- h5start, h5stride, h5count, h5block);
- VRFY((hrc >= 0), "H5Sselect_hyperslab");
-
- /* Create the memory dataspace that corresponds to the xfer buffer */
- h5mem_space_id = H5Screate_simple(rank, h5count, NULL);
- VRFY((h5mem_space_id >= 0), "H5Screate_simple");
-
- /* Create the dataset transfer property list */
- h5dxpl = H5Pcreate(H5P_DATASET_XFER);
- if (h5dxpl < 0) {
- fprintf(stderr, "HDF5 Property List Create failed\n");
- GOTOERROR(FAIL);
- }
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)parms->io_type);
- GOTOERROR(FAIL);
- break;
- } /* end switch */
-
-
- /* create dataset */
- switch (parms->io_type) {
- case POSIXIO:
- break;
-
- case HDF5:
- sprintf(dname, "Dataset_%ld", (long)parms->num_bytes);
- h5ds_id = H5Dopen2(fd->h5fd, dname, H5P_DEFAULT);
- if (h5ds_id < 0) {
- HDfprintf(stderr, "HDF5 Dataset open failed\n");
- GOTOERROR(FAIL);
- }
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)parms->io_type);
- GOTOERROR(FAIL);
- break;
- } /* end switch */
-
- /* Start "raw data" read timer */
- set_time(res->timers, HDF5_RAW_READ_FIXED_DIMS, TSTART);
- hrc = dset_read(rank-1, fd, parms, buffer, buffer2);
-
- if (hrc < 0) {
- fprintf(stderr, "Error in dataset read\n");
- GOTOERROR(FAIL);
- }
-
- /* Stop "raw data" read timer */
- set_time(res->timers, HDF5_RAW_READ_FIXED_DIMS, TSTOP);
-
- /* Calculate read time */
-
- /* Close dataset. Only HDF5 needs to do an explicit close. */
- if (parms->io_type == HDF5) {
- hrc = H5Dclose(h5ds_id);
-
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Dataset Close failed\n");
- GOTOERROR(FAIL);
- }
-
- h5ds_id = -1;
- } /* end if */
-
-done:
-
- /* release HDF5 objects */
- if (h5dset_space_id != -1) {
- hrc = H5Sclose(h5dset_space_id);
- if (hrc < 0){
- fprintf(stderr, "HDF5 Dataset Space Close failed\n");
- ret_code = FAIL;
- } else {
- h5dset_space_id = -1;
- }
- }
-
- if (h5mem_space_id != -1) {
- hrc = H5Sclose(h5mem_space_id);
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Memory Space Close failed\n");
- ret_code = FAIL;
- } else {
- h5mem_space_id = -1;
- }
- }
-
- if (h5dxpl != -1) {
- hrc = H5Pclose(h5dxpl);
- if (hrc < 0) {
- fprintf(stderr, "HDF5 Dataset Transfer Property List Close failed\n");
- ret_code = FAIL;
- } else {
- h5dxpl = -1;
- }
- }
-
- /* release generic resources */
- if(buffer2)
- free(buffer2);
-
- return ret_code;
-}
-
-/*
- * Function: dset_read
- * Purpose: Read buffer into the dataset.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-
-static herr_t
-dset_read(int local_dim, file_descr *fd, parameters *parms, void *buffer,
- const char *buffer2)
-{
- int cur_dim = order[local_dim]-1;
- hsize_t i;
- int j;
- herr_t hrc;
- int ret_code = SUCCESS;
-
- /* iterate on the current dimension */
- for (i=0; i < parms->dset_size[cur_dim]; i += parms->buf_size[cur_dim]){
-
- h5offset[cur_dim] = (hssize_t)i;
- offset[cur_dim] = (HDoff_t)i;
-
- /* if traverse in order array is incomplete, recurse */
- if (local_dim > 0){
-
- ret_code = dset_read(local_dim-1, fd, parms, buffer, buffer2);
-
- /* otherwise, write buffer into dataset */
- }else{
-
- switch (parms->io_type) {
-
- case POSIXIO:
- for (j=0; j<parms->rank; j++) {
- buf_offset[j] = 0;
- }
- buf_p = (unsigned char*)buffer;
- posix_buffer_read(0, fd, parms, buffer);
- break;
-
- case HDF5:
- hrc = H5Soffset_simple(h5dset_space_id, h5offset);
- VRFY((hrc >= 0), "H5Soffset_simple");
- /* Read the buffer out */
- hrc = H5Dread(h5ds_id, ELMT_H5_TYPE, h5mem_space_id,
- h5dset_space_id, h5dxpl, buffer);
- VRFY((hrc >= 0), "H5Dread");
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)parms->io_type);
- HDassert(0 && "Unknown IO type");
- break;
- } /* switch (parms->io_type) */
- }
- }
-done:
- return ret_code;
-}
-
-/*
- * Function: posix_buffer_read
- * Purpose: Read buffer into the POSIX file considering contiguity.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-
-static herr_t
-posix_buffer_read(int local_dim, file_descr *fd, parameters *parms, void *buffer)
-{
- int ret_code = SUCCESS;
-
- /* if local dimension is not contiguous, recurse */
- if (local_dim < parms->rank-1 && local_dim != cont_dim) {
- size_t u;
-
- for(u = 0; u < parms->buf_size[local_dim]; u++) {
- buf_offset[local_dim] = u;
- ret_code = posix_buffer_read(local_dim+1, fd, parms, buffer);
- if (local_dim+1==cont_dim)
- break;
- }
- /* otherwise, perform contiguous POSIX access */
- } else {
- HDoff_t d_offset;
- HDoff_t linear_dset_offset = 0;
- int i, j, rc;
-
- buf_offset[local_dim] = 0;
- /* determine offset in buffer */
- for (i=0; i<parms->rank; i++){
- d_offset=1;
-
- for (j=i+1; j<parms->rank; j++)
- d_offset *= (HDoff_t)parms->dset_size[j];
-
- linear_dset_offset += (offset[i] + (HDoff_t)buf_offset[i]) * d_offset;
- }
-
- /* only care if seek returns error */
- rc = POSIXSEEK(fd->posixfd, linear_dset_offset) < 0 ? -1 : 0;
- VRFY((rc==0), "POSIXSEEK");
- /* check if all bytes are read */
- rc = ((ssize_t)cont_size ==
- POSIXREAD(fd->posixfd, buf_p, cont_size));
- VRFY((rc != 0), "POSIXREAD");
-
- /* Advance location in buffer */
- buf_p += cont_size;
-
- }
-done:
- return ret_code;
-}
-
-
-/*
- * Function: do_fopen
- * Purpose: Open the specified file.
- * Return: SUCCESS or FAIL
- * Programmer: Albert Cheng, Bill Wendling, 2001/12/13
- * Modifications: Support for file drivers, Christian Chilan, April, 2008
- */
- static herr_t
-do_fopen(parameters *param, char *fname, file_descr *fd /*out*/, int flags)
-{
- int ret_code = SUCCESS;
-
- switch (param->io_type) {
- case POSIXIO:
- if (flags & (SIO_CREATE | SIO_WRITE))
- fd->posixfd = POSIXCREATE(fname);
- else
- fd->posixfd = POSIXOPEN(fname, O_RDONLY);
-
- if (fd->posixfd < 0 ) {
- HDfprintf(stderr, "POSIX File Open failed(%s)\n", fname);
- GOTOERROR(FAIL);
- }
-
- break;
-
- case HDF5:
-
- fapl = set_vfd(param);
-
- if (fapl < 0) {
- fprintf(stderr, "HDF5 Property List Create failed\n");
- GOTOERROR(FAIL);
- }
-
- /* create the parallel file */
- if (flags & (SIO_CREATE | SIO_WRITE)) {
- fd->h5fd = H5Fcreate(fname, H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
- } else {
- fd->h5fd = H5Fopen(fname, H5F_ACC_RDONLY, fapl);
- }
-
-
- if (fd->h5fd < 0) {
- fprintf(stderr, "HDF5 File Create failed(%s)\n", fname);
- GOTOERROR(FAIL);
- }
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)param->io_type);
- GOTOERROR(FAIL);
- break;
- }
-
-done:
- return ret_code;
-}
-
-/*
- * Function: set_vfd
- * Purpose: Sets file driver.
- * Return: SUCCESS or FAIL
- * Programmer: Christian Chilan, April, 2008
- * Modifications:
- */
-
-hid_t
-set_vfd(parameters *param)
-{
- hid_t my_fapl = -1;
- vfdtype vfd;
-
- vfd = param->vfd;
-
- if ((my_fapl=H5Pcreate(H5P_FILE_ACCESS))<0) return -1;
-
- if (vfd == sec2) {
- /* Unix read() and write() system calls */
- if (H5Pset_fapl_sec2(my_fapl)<0) return -1;
- } else if (vfd == stdio) {
- /* Standard C fread() and fwrite() system calls */
- if (H5Pset_fapl_stdio(my_fapl)<0) return -1;
- } else if (vfd == core) {
- /* In-core temporary file with 1MB increment */
- if (H5Pset_fapl_core(my_fapl, (size_t)1024*1024, TRUE)<0) return -1;
- } else if (vfd == split) {
- /* Split meta data and raw data each using default driver */
- if (H5Pset_fapl_split(my_fapl,
- "-m.h5", H5P_DEFAULT,
- "-r.h5", H5P_DEFAULT)<0)
- return -1;
- } else if (vfd == multi) {
- /* Multi-file driver, general case of the split driver */
- H5FD_mem_t memb_map[H5FD_MEM_NTYPES];
- hid_t memb_fapl[H5FD_MEM_NTYPES];
- const char *memb_name[H5FD_MEM_NTYPES];
- char sv[H5FD_MEM_NTYPES][1024];
- haddr_t memb_addr[H5FD_MEM_NTYPES];
- H5FD_mem_t mt;
-
- HDmemset(memb_map, 0, sizeof memb_map);
- HDmemset(memb_fapl, 0, sizeof memb_fapl);
- HDmemset(memb_name, 0, sizeof memb_name);
- HDmemset(memb_addr, 0, sizeof memb_addr);
-
- HDassert(HDstrlen(multi_letters)==H5FD_MEM_NTYPES);
- for (mt=H5FD_MEM_DEFAULT; mt<H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t,mt)) {
- memb_fapl[mt] = H5P_DEFAULT;
- sprintf(sv[mt], "%%s-%c.h5", multi_letters[mt]);
- memb_name[mt] = sv[mt];
- memb_addr[mt] = (haddr_t)MAX(mt - 1,0) * (HADDR_MAX / 10);
- }
-
- if (H5Pset_fapl_multi(my_fapl, memb_map, memb_fapl, memb_name,
- memb_addr, FALSE)<0) {
- return -1;
- }
- } else if (vfd == family) {
- hsize_t fam_size = 1*1024*1024; /*100 MB*/
-
- /* Family of files, each 1MB and using the default driver */
- /* if ((val=HDstrtok(NULL, " \t\n\r")))
- fam_size = (hsize_t)(HDstrtod(val, NULL) * 1024*1024); */
- if (H5Pset_fapl_family(my_fapl, fam_size, H5P_DEFAULT)<0)
- return -1;
- } else if (vfd == direct) {
-#ifdef H5_HAVE_DIRECT
- /* Linux direct read() and write() system calls. Set memory boundary, file block size,
- * and copy buffer size to the default values. */
- if (H5Pset_fapl_direct(my_fapl, 1024, 4096, 8*4096)<0) return -1;
-#endif
- } else {
- /* Unknown driver */
- return -1;
- }
-
- return my_fapl;
-}
-
-/*
- * Function: do_fclose
- * Purpose: Close the specified file descriptor.
- * Return: SUCCESS or FAIL
- * Programmer: Albert Cheng, Bill Wendling, 2001/12/13
- * Modifications:
- */
- static herr_t
-do_fclose(iotype iot, file_descr *fd /*out*/)
-{
- herr_t ret_code = SUCCESS, hrc;
- int rc = 0;
-
- switch (iot) {
- case POSIXIO:
- rc = POSIXCLOSE(fd->posixfd);
-
- if (rc != 0){
- fprintf(stderr, "POSIX File Close failed\n");
- GOTOERROR(FAIL);
- }
-
- fd->posixfd = -1;
- break;
-
- case HDF5:
- hrc = H5Fclose(fd->h5fd);
-
- if (hrc < 0) {
- fprintf(stderr, "HDF5 File Close failed\n");
- GOTOERROR(FAIL);
- }
-
- fd->h5fd = -1;
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)iot);
- GOTOERROR(FAIL);
- break;
- }
-
-done:
- return ret_code;
-}
-
-
-/*
- * Function: do_cleanupfile
- * Purpose: Cleanup temporary file unless HDF5_NOCLEANUP is set.
- * Return: void
- * Programmer: Albert Cheng 2001/12/12
- * Modifications: Support for file drivers. Christian Chilan, April, 2008
- */
- static void
-do_cleanupfile(iotype iot, char *filename)
-{
- char temp[2048];
- int j;
- hid_t driver;
-
- if (clean_file_g == -1)
- clean_file_g = (HDgetenv("HDF5_NOCLEANUP")==NULL) ? 1 : 0;
-
- if (clean_file_g){
-
- switch (iot) {
- case POSIXIO:
- HDremove(filename);
- break;
-
- case HDF5:
- driver = H5Pget_driver(fapl);
-
- if (driver == H5FD_FAMILY) {
- for (j = 0; /*void*/; j++) {
- HDsnprintf(temp, sizeof temp, filename, j);
-
- if (HDaccess(temp, F_OK) < 0)
- break;
-
- HDremove(temp);
- }
- } else if (driver == H5FD_CORE) {
- hbool_t backing; /* Whether the core file has backing store */
-
- H5Pget_fapl_core(fapl,NULL,&backing);
-
- /* If the file was stored to disk with bacing store, remove it */
- if(backing)
- HDremove(filename);
-
- } else if (driver == H5FD_MULTI) {
- H5FD_mem_t mt;
- assert(HDstrlen(multi_letters)==H5FD_MEM_NTYPES);
-
- for (mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t,mt)) {
- HDsnprintf(temp, sizeof temp, "%s-%c.h5",
- filename, multi_letters[mt]);
- HDremove(temp); /*don't care if it fails*/
- }
- } else {
- HDremove(filename);
- }
- H5Pclose(fapl);
- break;
-
- default:
- /* unknown request */
- HDfprintf(stderr, "Unknown IO type request (%d)\n", (int)iot);
- HDassert(0 && "Unknown IO type");
- break;
- }
- }
-}
-