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authorAlbert Cheng <acheng@hdfgroup.org>2014-12-17 23:07:24 (GMT)
committerAlbert Cheng <acheng@hdfgroup.org>2014-12-17 23:07:24 (GMT)
commitd9ba0ae35fce3c6fdf2559753093338061588c00 (patch)
tree4160f420ade0df1ebfc561b4e61d55dfd34dc5e8 /tools/perform/pio_perf.c
parent4c24346fe1c5ff4ff9e4a9ae7ffec2b5ef9cd922 (diff)
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[svn-r25900] HDFFV-9046: reorganize hdf5/perform/ directory
Moved perform/ to tools/perform. Updated all the configure related files for the new location. Tested: h5committested plus tested in jam and kite.
Diffstat (limited to 'tools/perform/pio_perf.c')
-rw-r--r--tools/perform/pio_perf.c1696
1 files changed, 1696 insertions, 0 deletions
diff --git a/tools/perform/pio_perf.c b/tools/perform/pio_perf.c
new file mode 100644
index 0000000..cf41cbe
--- /dev/null
+++ b/tools/perform/pio_perf.c
@@ -0,0 +1,1696 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Parallel HDF5 Performance Testing Code
+ * --------------------------------------
+ *
+ * Portable code to test performance on the different platforms we support.
+ * This is what the report should look like:
+ *
+ * nprocs = Max#Procs
+ * IO API = POSIXIO
+ * # Files = 1, # of dsets = 1000, Elements per dset = 37000
+ * Write Results = x MB/s
+ * Read Results = x MB/s
+ * # Files = 1, # of dsets = 3000, Elements per dset = 37000
+ * Write Results = x MB/s
+ * Read Results = x MB/s
+ *
+ * . . .
+ *
+ * IO API = MPIO
+ * # Files = 1, # of dsets = 1000, Elements per dset = 37000
+ * Write Results = x MB/s
+ * Read Results = x MB/s
+ * # Files = 1, # of dsets = 3000, Elements per dset = 37000
+ * Write Results = x MB/s
+ * Read Results = x MB/s
+ *
+ * . . .
+ *
+ * IO API = PHDF5
+ * # Files = 1, # of dsets = 1000, Elements per dset = 37000
+ * Write Results = x MB/s
+ * Read Results = x MB/s
+ * # Files = 1, # of dsets = 3000, Elements per dset = 37000
+ * Write Results = x MB/s
+ * Read Results = x MB/s
+ *
+ * . . .
+ *
+ * nprocs = Max#Procs / 2
+ *
+ * . . .
+ *
+ */
+
+/* system header files */
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "hdf5.h"
+
+#ifdef H5_HAVE_PARALLEL
+
+/* library header files */
+#include <mpi.h>
+
+/* our header files */
+#include "pio_perf.h"
+
+/* useful macros */
+#define TAB_SPACE 4
+
+#define ONE_KB 1024
+#define ONE_MB (ONE_KB * ONE_KB)
+#define ONE_GB (ONE_MB * ONE_KB)
+
+#define PIO_POSIX 0x1
+#define PIO_MPI 0x2
+#define PIO_HDF5 0x4
+
+/* report 0.0 in case t is zero too */
+#define MB_PER_SEC(bytes,t) (((t)==0.0) ? 0.0 : ((((double)bytes) / ONE_MB) / (t)))
+
+#ifndef TRUE
+#define TRUE 1
+#endif /* TRUE */
+#ifndef FALSE
+#define FALSE (!TRUE)
+#endif /* FALSE */
+
+/* global variables */
+FILE *output; /* output file */
+int comm_world_rank_g; /* my rank in MPI_COMM_RANK */
+int comm_world_nprocs_g;/* num. of processes of MPI_COMM_WORLD */
+MPI_Comm pio_comm_g; /* Communicator to run the PIO */
+int pio_mpi_rank_g; /* MPI rank of pio_comm_g */
+int pio_mpi_nprocs_g; /* Number of processes of pio_comm_g */
+int pio_debug_level = 0;/* The debug level:
+ * 0 - Off
+ * 1 - Minimal
+ * 2 - Some more
+ * 3 - Maximal
+ * 4 - Maximal & then some
+ */
+
+/* local variables */
+static const char *progname = "h5perf";
+
+/*
+ * Command-line options: The user can specify short or long-named
+ * parameters. The long-named ones can be partially spelled. When
+ * adding more, make sure that they don't clash with each other.
+ */
+#if 1
+static const char *s_opts = "a:A:B:cCd:D:e:F:ghi:Imno:p:P:stT:wx:X:";
+#else
+static const char *s_opts = "a:A:bB:cCd:D:e:F:ghi:Imno:p:P:stT:wx:X:";
+#endif /* 1 */
+static struct long_options l_opts[] = {
+ { "align", require_arg, 'a' },
+ { "alig", require_arg, 'a' },
+ { "ali", require_arg, 'a' },
+ { "al", require_arg, 'a' },
+ { "api", require_arg, 'A' },
+ { "ap", require_arg, 'A' },
+#if 0
+ /* a sighting of the elusive binary option */
+ { "binary", no_arg, 'b' },
+ { "binar", no_arg, 'b' },
+ { "bina", no_arg, 'b' },
+ { "bin", no_arg, 'b' },
+ { "bi", no_arg, 'b' },
+#endif /* 0 */
+ { "block-size", require_arg, 'B' },
+ { "block-siz", require_arg, 'B' },
+ { "block-si", require_arg, 'B' },
+ { "block-s", require_arg, 'B' },
+ { "block-", require_arg, 'B' },
+ { "block", require_arg, 'B' },
+ { "bloc", require_arg, 'B' },
+ { "blo", require_arg, 'B' },
+ { "bl", require_arg, 'B' },
+ { "chunk", no_arg, 'c' },
+ { "chun", no_arg, 'c' },
+ { "chu", no_arg, 'c' },
+ { "ch", no_arg, 'c' },
+ { "collective", no_arg, 'C' },
+ { "collectiv", no_arg, 'C' },
+ { "collecti", no_arg, 'C' },
+ { "collect", no_arg, 'C' },
+ { "collec", no_arg, 'C' },
+ { "colle", no_arg, 'C' },
+ { "coll", no_arg, 'C' },
+ { "col", no_arg, 'C' },
+ { "co", no_arg, 'C' },
+ { "debug", require_arg, 'D' },
+ { "debu", require_arg, 'D' },
+ { "deb", require_arg, 'D' },
+ { "de", require_arg, 'D' },
+ { "geometry", no_arg, 'g' },
+ { "geometr", no_arg, 'g' },
+ { "geomet", no_arg, 'g' },
+ { "geome", no_arg, 'g' },
+ { "geom", no_arg, 'g' },
+ { "geo", no_arg, 'g' },
+ { "ge", no_arg, 'g' },
+ { "help", no_arg, 'h' },
+ { "hel", no_arg, 'h' },
+ { "he", no_arg, 'h' },
+ { "interleaved", require_arg, 'I' },
+ { "interleave", require_arg, 'I' },
+ { "interleav", require_arg, 'I' },
+ { "interlea", require_arg, 'I' },
+ { "interle", require_arg, 'I' },
+ { "interl", require_arg, 'I' },
+ { "inter", require_arg, 'I' },
+ { "inte", require_arg, 'I' },
+ { "int", require_arg, 'I' },
+ { "in", require_arg, 'I' },
+ { "max-num-processes", require_arg, 'P' },
+ { "max-num-processe", require_arg, 'P' },
+ { "max-num-process", require_arg, 'P' },
+ { "max-num-proces", require_arg, 'P' },
+ { "max-num-proce", require_arg, 'P' },
+ { "max-num-proc", require_arg, 'P' },
+ { "max-num-pro", require_arg, 'P' },
+ { "max-num-pr", require_arg, 'P' },
+ { "max-num-p", require_arg, 'P' },
+ { "min-num-processes", require_arg, 'p' },
+ { "min-num-processe", require_arg, 'p' },
+ { "min-num-process", require_arg, 'p' },
+ { "min-num-proces", require_arg, 'p' },
+ { "min-num-proce", require_arg, 'p' },
+ { "min-num-proc", require_arg, 'p' },
+ { "min-num-pro", require_arg, 'p' },
+ { "min-num-pr", require_arg, 'p' },
+ { "min-num-p", require_arg, 'p' },
+ { "max-xfer-size", require_arg, 'X' },
+ { "max-xfer-siz", require_arg, 'X' },
+ { "max-xfer-si", require_arg, 'X' },
+ { "max-xfer-s", require_arg, 'X' },
+ { "max-xfer", require_arg, 'X' },
+ { "max-xfe", require_arg, 'X' },
+ { "max-xf", require_arg, 'X' },
+ { "max-x", require_arg, 'X' },
+ { "min-xfer-size", require_arg, 'x' },
+ { "min-xfer-siz", require_arg, 'x' },
+ { "min-xfer-si", require_arg, 'x' },
+ { "min-xfer-s", require_arg, 'x' },
+ { "min-xfer", require_arg, 'x' },
+ { "min-xfe", require_arg, 'x' },
+ { "min-xf", require_arg, 'x' },
+ { "min-x", require_arg, 'x' },
+ { "num-bytes", require_arg, 'e' },
+ { "num-byte", require_arg, 'e' },
+ { "num-byt", require_arg, 'e' },
+ { "num-by", require_arg, 'e' },
+ { "num-b", require_arg, 'e' },
+ { "num-dsets", require_arg, 'd' },
+ { "num-dset", require_arg, 'd' },
+ { "num-dse", require_arg, 'd' },
+ { "num-ds", require_arg, 'd' },
+ { "num-d", require_arg, 'd' },
+ { "num-files", require_arg, 'F' },
+ { "num-file", require_arg, 'F' },
+ { "num-fil", require_arg, 'F' },
+ { "num-fi", require_arg, 'F' },
+ { "num-f", require_arg, 'F' },
+ { "num-iterations", require_arg, 'i' },
+ { "num-iteration", require_arg, 'i' },
+ { "num-iteratio", require_arg, 'i' },
+ { "num-iterati", require_arg, 'i' },
+ { "num-iterat", require_arg, 'i' },
+ { "num-itera", require_arg, 'i' },
+ { "num-iter", require_arg, 'i' },
+ { "num-ite", require_arg, 'i' },
+ { "num-it", require_arg, 'i' },
+ { "num-i", require_arg, 'i' },
+ { "output", require_arg, 'o' },
+ { "outpu", require_arg, 'o' },
+ { "outp", require_arg, 'o' },
+ { "out", require_arg, 'o' },
+ { "ou", require_arg, 'o' },
+ { "threshold", require_arg, 'T' },
+ { "threshol", require_arg, 'T' },
+ { "thresho", require_arg, 'T' },
+ { "thresh", require_arg, 'T' },
+ { "thres", require_arg, 'T' },
+ { "thre", require_arg, 'T' },
+ { "thr", require_arg, 'T' },
+ { "th", require_arg, 'T' },
+ { "write-only", require_arg, 'w' },
+ { "write-onl", require_arg, 'w' },
+ { "write-on", require_arg, 'w' },
+ { "write-o", require_arg, 'w' },
+ { "write", require_arg, 'w' },
+ { "writ", require_arg, 'w' },
+ { "wri", require_arg, 'w' },
+ { "wr", require_arg, 'w' },
+ { NULL, 0, '\0' }
+};
+
+struct options {
+ long io_types; /* bitmask of which I/O types to test */
+ const char *output_file; /* file to print report to */
+ long num_dsets; /* number of datasets */
+ long num_files; /* number of files */
+ off_t num_bpp; /* number of bytes per proc per dset */
+ int num_iters; /* number of iterations */
+ int max_num_procs; /* maximum number of processes to use */
+ int min_num_procs; /* minimum number of processes to use */
+ size_t max_xfer_size; /* maximum transfer buffer size */
+ size_t min_xfer_size; /* minimum transfer buffer size */
+ size_t blk_size; /* Block size */
+ unsigned interleaved; /* Interleaved vs. contiguous blocks */
+ unsigned collective; /* Collective vs. independent I/O */
+ unsigned dim2d; /* 1D vs. 2D geometry */
+ int print_times; /* print times as well as throughputs */
+ int print_raw; /* print raw data throughput info */
+ off_t h5_alignment; /* alignment in HDF5 file */
+ off_t h5_threshold; /* threshold for alignment in HDF5 file */
+ int h5_use_chunks; /* Make HDF5 dataset chunked */
+ int h5_write_only; /* Perform the write tests only */
+ int verify; /* Verify data correctness */
+};
+
+typedef struct _minmax {
+ double min;
+ double max;
+ double sum;
+ int num;
+} minmax;
+
+/* local functions */
+static off_t parse_size_directive(const char *size);
+static struct options *parse_command_line(int argc, char *argv[]);
+static void run_test_loop(struct options *options);
+static int run_test(iotype iot, parameters parms, struct options *opts);
+static void output_all_info(minmax *mm, int count, int indent_level);
+static void get_minmax(minmax *mm, double val);
+static minmax accumulate_minmax_stuff(minmax *mm, int count);
+static int create_comm_world(int num_procs, int *doing_pio);
+static int destroy_comm_world(void);
+static void output_results(const struct options *options, const char *name,
+ minmax *table, int table_size, off_t data_size);
+static void output_times(const struct options *options, const char *name,
+ minmax *table, int table_size);
+static void output_report(const char *fmt, ...);
+static void print_indent(register int indent);
+static void usage(const char *prog);
+static void report_parameters(struct options *opts);
+
+/*
+ * Function: main
+ * Purpose: Start things up. Initialize MPI and then call the test looping
+ * function.
+ * Return: EXIT_SUCCESS or EXIT_FAILURE
+ * Programmer: Bill Wendling, 30. October 2001
+ * Modifications:
+ */
+int
+main(int argc, char **argv)
+{
+ int ret;
+ int exit_value = EXIT_SUCCESS;
+ struct options *opts = NULL;
+
+#ifndef STANDALONE
+ /* Initialize h5tools lib */
+ h5tools_init();
+#endif
+
+ output = stdout;
+
+ /* initialize MPI and get the maximum num of processors we started with */
+ MPI_Init(&argc, &argv);
+ ret = MPI_Comm_size(MPI_COMM_WORLD, &comm_world_nprocs_g);
+
+ if (ret != MPI_SUCCESS) {
+ fprintf(stderr, "%s: MPI_Comm_size call failed\n", progname);
+
+ if (ret == MPI_ERR_COMM)
+ fprintf(stderr, "invalid MPI communicator\n");
+ else
+ fprintf(stderr, "invalid argument\n");
+
+ exit_value = EXIT_FAILURE;
+ goto finish;
+ }
+
+ ret = MPI_Comm_rank(MPI_COMM_WORLD, &comm_world_rank_g);
+
+ if (ret != MPI_SUCCESS) {
+ fprintf(stderr, "%s: MPI_Comm_rank call failed\n", progname);
+
+ if (ret == MPI_ERR_COMM)
+ fprintf(stderr, "invalid MPI communicator\n");
+ else
+ fprintf(stderr, "invalid argument\n");
+
+ exit_value = EXIT_FAILURE;
+ goto finish;
+ }
+
+ pio_comm_g = MPI_COMM_WORLD;
+
+ h5_set_info_object();
+ opts = parse_command_line(argc, argv);
+
+ if (!opts) {
+ exit_value = EXIT_FAILURE;
+ goto finish;
+ }
+
+ if (opts->output_file) {
+ if ((output = fopen(opts->output_file, "w")) == NULL) {
+ fprintf(stderr, "%s: cannot open output file\n", progname);
+ perror(opts->output_file);
+ goto finish;
+ }
+ }
+
+ if ((pio_debug_level == 0 && comm_world_rank_g == 0) || pio_debug_level > 0)
+ report_parameters(opts);
+
+ run_test_loop(opts);
+
+finish:
+ MPI_Finalize();
+ free(opts);
+ return exit_value;
+}
+
+/*
+ * Function: run_test_loop
+ * Purpose: Run the I/O tests. Write the results to OUTPUT.
+ *
+ * - The slowest changing part of the test is the number of
+ * processors to use. For each loop iteration, we divide that
+ * number by 2 and rerun the test.
+ *
+ * - The second slowest is what type of IO API to perform. We have
+ * three choices: POSIXIO, MPI-IO, and PHDF5.
+ *
+ * - Then we change the size of the buffer. This information is
+ * inferred from the number of datasets to create and the number
+ * of integers to put into each dataset. The backend code figures
+ * this out.
+ *
+ * Return: Nothing
+ * Programmer: Bill Wendling, 30. October 2001
+ * Modifications:
+ * Added 2D testing (Christian Chilan, 10. August 2005)
+ */
+static void
+run_test_loop(struct options *opts)
+{
+ parameters parms;
+ int num_procs;
+ int doing_pio; /* if this process is doing PIO */
+
+ parms.num_files = opts->num_files;
+ parms.num_dsets = opts->num_dsets;
+ parms.num_iters = opts->num_iters;
+ parms.blk_size = opts->blk_size;
+ parms.interleaved = opts->interleaved;
+ parms.collective = opts->collective;
+ parms.dim2d = opts->dim2d;
+ parms.h5_align = opts->h5_alignment;
+ parms.h5_thresh = opts->h5_threshold;
+ parms.h5_use_chunks = opts->h5_use_chunks;
+ parms.h5_write_only = opts->h5_write_only;
+ parms.verify = opts->verify;
+
+ /* start with max_num_procs and decrement it by half for each loop. */
+ /* if performance needs restart, fewer processes may be needed. */
+ for (num_procs = opts->max_num_procs;
+ num_procs >= opts->min_num_procs; num_procs >>= 1) {
+ register size_t buf_size;
+
+ parms.num_procs = num_procs;
+
+ if (create_comm_world(parms.num_procs, &doing_pio) != SUCCESS) {
+ /* do something harsh */
+ }
+
+ /* only processes doing PIO will run the tests */
+ if (doing_pio){
+ output_report("Number of processors = %ld\n", parms.num_procs);
+
+ /* multiply the xfer buffer size by 2 for each loop iteration */
+ for (buf_size = opts->min_xfer_size;
+ buf_size <= opts->max_xfer_size; buf_size <<= 1) {
+ parms.buf_size = buf_size;
+
+ if (parms.dim2d){
+ parms.num_bytes = (off_t)pow((double)(opts->num_bpp*parms.num_procs),2);
+ if (parms.interleaved)
+ output_report("Transfer Buffer Size: %ldx%ld bytes, File size: %.2f MBs\n",
+ buf_size, opts->blk_size,
+ ((double)parms.num_dsets * (double)parms.num_bytes)
+ / ONE_MB);
+ else
+ output_report("Transfer Buffer Size: %ldx%ld bytes, File size: %.2f MBs\n",
+ opts->blk_size, buf_size,
+ ((double)parms.num_dsets * (double)parms.num_bytes)
+ / ONE_MB);
+
+ print_indent(1);
+ output_report(" # of files: %ld, # of datasets: %ld, dataset size: %.2fx%.2f KBs\n",
+ parms.num_files, parms.num_dsets, (double)(opts->num_bpp*parms.num_procs)/ONE_KB,
+ (double)(opts->num_bpp*parms.num_procs)/ONE_KB);
+ }
+ else{
+ parms.num_bytes = (off_t)opts->num_bpp*parms.num_procs;
+ output_report("Transfer Buffer Size: %ld bytes, File size: %.2f MBs\n",
+ buf_size,((double)parms.num_dsets * (double)parms.num_bytes) / ONE_MB);
+
+ print_indent(1);
+ output_report(" # of files: %ld, # of datasets: %ld, dataset size: %.2f MBs\n",
+ parms.num_files, parms.num_dsets, (double)(opts->num_bpp*parms.num_procs)/ONE_MB);
+ }
+
+ if (opts->io_types & PIO_POSIX)
+ run_test(POSIXIO, parms, opts);
+
+ if (opts->io_types & PIO_MPI)
+ run_test(MPIO, parms, opts);
+
+ if (opts->io_types & PIO_HDF5)
+ run_test(PHDF5, parms, opts);
+
+ /* Run the tests once if buf_size==0, but then break out */
+ if(buf_size==0)
+ break;
+ }
+
+ if (destroy_comm_world() != SUCCESS) {
+ /* do something harsh */
+ }
+ }
+ }
+}
+
+/*
+ * Function: run_test
+ * Purpose: Inner loop call to actually run the I/O test.
+ * Return: Nothing
+ * Programmer: Bill Wendling, 18. December 2001
+ * Modifications:
+ */
+static int
+run_test(iotype iot, parameters parms, struct options *opts)
+{
+ results res;
+ register int i, ret_value = SUCCESS;
+ int comm_size;
+ off_t raw_size;
+ minmax *write_mpi_mm_table=NULL;
+ minmax *write_mm_table=NULL;
+ minmax *write_gross_mm_table=NULL;
+ minmax *write_raw_mm_table=NULL;
+ minmax *read_mpi_mm_table=NULL;
+ minmax *read_mm_table=NULL;
+ minmax *read_gross_mm_table=NULL;
+ minmax *read_raw_mm_table=NULL;
+ minmax *read_open_mm_table=NULL;
+ minmax *read_close_mm_table=NULL;
+ minmax *write_open_mm_table=NULL;
+ minmax *write_close_mm_table=NULL;
+ minmax write_mpi_mm = {0.0, 0.0, 0.0, 0};
+ minmax write_mm = {0.0, 0.0, 0.0, 0};
+ minmax write_gross_mm = {0.0, 0.0, 0.0, 0};
+ minmax write_raw_mm = {0.0, 0.0, 0.0, 0};
+ minmax read_mpi_mm = {0.0, 0.0, 0.0, 0};
+ minmax read_mm = {0.0, 0.0, 0.0, 0};
+ minmax read_gross_mm = {0.0, 0.0, 0.0, 0};
+ minmax read_raw_mm = {0.0, 0.0, 0.0, 0};
+ minmax read_open_mm = {0.0, 0.0, 0.0, 0};
+ minmax read_close_mm = {0.0, 0.0, 0.0, 0};
+ minmax write_open_mm = {0.0, 0.0, 0.0, 0};
+ minmax write_close_mm = {0.0, 0.0, 0.0, 0};
+
+ raw_size = parms.num_files * (off_t)parms.num_dsets * (off_t)parms.num_bytes;
+ parms.io_type = iot;
+ print_indent(2);
+ output_report("IO API = ");
+
+ switch (iot) {
+ case POSIXIO:
+ output_report("POSIX\n");
+ break;
+ case MPIO:
+ output_report("MPIO\n");
+ break;
+ case PHDF5:
+ output_report("PHDF5 (w/MPI-IO driver)\n");
+ break;
+ }
+
+ MPI_Comm_size(pio_comm_g, &comm_size);
+
+ /* allocate space for tables minmax and that it is sufficient */
+ /* to initialize all elements to zeros by calloc. */
+ write_mpi_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ write_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ write_gross_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ write_raw_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ write_open_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ write_close_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ if (!parms.h5_write_only) {
+ read_mpi_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ read_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ read_gross_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ read_raw_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ read_open_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ read_close_mm_table = calloc((size_t)parms.num_iters , sizeof(minmax));
+ }
+
+ /* Do IO iteration times, collecting statistics each time */
+ for (i = 0; i < parms.num_iters; ++i) {
+ double t;
+
+ MPI_Barrier(pio_comm_g);
+ res = do_pio(parms);
+
+ /* gather all of the "mpi write" times */
+ t = get_time(res.timers, HDF5_MPI_WRITE);
+ get_minmax(&write_mpi_mm, t);
+
+ write_mpi_mm_table[i] = write_mpi_mm;
+
+ /* gather all of the "write" times */
+ t = get_time(res.timers, HDF5_FINE_WRITE_FIXED_DIMS);
+ get_minmax(&write_mm, t);
+
+ write_mm_table[i] = write_mm;
+
+ /* gather all of the "write" times from open to close */
+ t = get_time(res.timers, HDF5_GROSS_WRITE_FIXED_DIMS);
+ get_minmax(&write_gross_mm, t);
+
+ write_gross_mm_table[i] = write_gross_mm;
+
+ /* gather all of the raw "write" times */
+ t = get_time(res.timers, HDF5_RAW_WRITE_FIXED_DIMS);
+ get_minmax(&write_raw_mm, t);
+
+ write_raw_mm_table[i] = write_raw_mm;
+
+ /* gather all of the file open times (time from open to first write) */
+ t = get_time(res.timers, HDF5_FILE_WRITE_OPEN);
+ get_minmax(&write_open_mm, t);
+
+ write_open_mm_table[i] = write_open_mm;
+
+ /* gather all of the file close times (time from last write to close) */
+ t = get_time(res.timers, HDF5_FILE_WRITE_CLOSE);
+ get_minmax(&write_close_mm, t);
+
+ write_close_mm_table[i] = write_close_mm;
+
+ if (!parms.h5_write_only) {
+ /* gather all of the "mpi read" times */
+ t = get_time(res.timers, HDF5_MPI_READ);
+ get_minmax(&read_mpi_mm, t);
+
+ read_mpi_mm_table[i] = read_mpi_mm;
+
+ /* gather all of the "read" times */
+ t = get_time(res.timers, HDF5_FINE_READ_FIXED_DIMS);
+ get_minmax(&read_mm, t);
+
+ read_mm_table[i] = read_mm;
+
+ /* gather all of the "read" times from open to close */
+ t = get_time(res.timers, HDF5_GROSS_READ_FIXED_DIMS);
+ get_minmax(&read_gross_mm, t);
+
+ read_gross_mm_table[i] = read_gross_mm;
+
+ /* gather all of the raw "read" times */
+ t = get_time(res.timers, HDF5_RAW_READ_FIXED_DIMS);
+ get_minmax(&read_raw_mm, t);
+
+ read_raw_mm_table[i] = read_raw_mm;
+
+ /* gather all of the file open times (time from open to first read) */
+ t = get_time(res.timers, HDF5_FILE_READ_OPEN);
+ get_minmax(&read_open_mm, t);
+
+ read_open_mm_table[i] = read_open_mm;
+
+ /* gather all of the file close times (time from last read to close) */
+ t = get_time(res.timers, HDF5_FILE_READ_CLOSE);
+ get_minmax(&read_close_mm, t);
+
+ read_close_mm_table[i] = read_close_mm;
+
+ }
+
+ pio_time_destroy(res.timers);
+ }
+
+ /*
+ * Show various statistics
+ */
+ /* Write statistics */
+ /* Print the raw data throughput if desired */
+ if (opts->print_raw) {
+ /* accumulate and output the max, min, and average "raw write" times */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Raw Data Write details:\n");
+ output_all_info(write_raw_mm_table, parms.num_iters, 4);
+ }
+
+ output_results(opts,"Raw Data Write",write_raw_mm_table,parms.num_iters,raw_size);
+ } /* end if */
+
+ /* show mpi write statics */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("MPI Write details:\n");
+ output_all_info(write_mpi_mm_table, parms.num_iters, 4);
+ }
+
+ /* We don't currently output the MPI write results */
+
+ /* accumulate and output the max, min, and average "write" times */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Write details:\n");
+ output_all_info(write_mm_table, parms.num_iters, 4);
+ }
+
+ output_results(opts,"Write",write_mm_table,parms.num_iters,raw_size);
+
+ /* accumulate and output the max, min, and average "gross write" times */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Write Open-Close details:\n");
+ output_all_info(write_gross_mm_table, parms.num_iters, 4);
+ }
+
+ output_results(opts,"Write Open-Close",write_gross_mm_table,parms.num_iters,raw_size);
+
+ if (opts->print_times) {
+ output_times(opts,"Write File Open",write_open_mm_table,parms.num_iters);
+ output_times(opts,"Write File Close",write_close_mm_table,parms.num_iters);
+ }
+
+ /* Print out time from open to first write */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Write file open details:\n");
+ output_all_info(write_open_mm_table, parms.num_iters, 4);
+ }
+
+ /* Print out time from last write to close */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Write file close details:\n");
+ output_all_info(write_close_mm_table, parms.num_iters, 4);
+ }
+
+ if (!parms.h5_write_only) {
+ /* Read statistics */
+ /* Print the raw data throughput if desired */
+ if (opts->print_raw) {
+ /* accumulate and output the max, min, and average "raw read" times */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Raw Data Read details:\n");
+ output_all_info(read_raw_mm_table, parms.num_iters, 4);
+ }
+
+ output_results(opts, "Raw Data Read", read_raw_mm_table,
+ parms.num_iters, raw_size);
+ } /* end if */
+
+ /* show mpi read statics */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("MPI Read details:\n");
+ output_all_info(read_mpi_mm_table, parms.num_iters, 4);
+ }
+
+ /* We don't currently output the MPI read results */
+
+ /* accumulate and output the max, min, and average "read" times */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Read details:\n");
+ output_all_info(read_mm_table, parms.num_iters, 4);
+ }
+
+ output_results(opts, "Read", read_mm_table, parms.num_iters, raw_size);
+
+ /* accumulate and output the max, min, and average "gross read" times */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Read Open-Close details:\n");
+ output_all_info(read_gross_mm_table, parms.num_iters, 4);
+ }
+
+ output_results(opts, "Read Open-Close", read_gross_mm_table,parms.num_iters, raw_size);
+
+ if (opts->print_times) {
+ output_times(opts,"Read File Open",read_open_mm_table,parms.num_iters);
+ output_times(opts,"Read File Close",read_close_mm_table,parms.num_iters);
+ }
+
+ /* Print out time from open to first read */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Read file open details:\n");
+ output_all_info(read_open_mm_table, parms.num_iters, 4);
+ }
+
+ /* Print out time from last read to close */
+ if (pio_debug_level >= 3) {
+ /* output all of the times for all iterations */
+ print_indent(3);
+ output_report("Read file close details:\n");
+ output_all_info(read_close_mm_table, parms.num_iters, 4);
+ }
+
+ }
+
+ /* clean up our mess */
+ free(write_mpi_mm_table);
+ free(write_mm_table);
+ free(write_gross_mm_table);
+ free(write_raw_mm_table);
+ free(write_open_mm_table);
+ free(write_close_mm_table);
+
+ if (!parms.h5_write_only) {
+ free(read_mpi_mm_table);
+ free(read_mm_table);
+ free(read_gross_mm_table);
+ free(read_raw_mm_table);
+ free(read_open_mm_table);
+ free(read_close_mm_table);
+ }
+
+ return ret_value;
+}
+
+/*
+ * Function: output_all_info
+ * Purpose:
+ * Return: Nothing
+ * Programmer: Bill Wendling, 29. January 2002
+ * Modifications:
+ */
+static void
+output_all_info(minmax *mm, int count, int indent_level)
+{
+ int i;
+
+ for (i = 0; i < count; ++i) {
+ print_indent(indent_level);
+ output_report("Iteration %d:\n", i + 1);
+ print_indent(indent_level + 1);
+ output_report("Minimum Time: %.2fs\n", mm[i].min);
+ print_indent(indent_level + 1);
+ output_report("Maximum Time: %.2fs\n", mm[i].max);
+ }
+}
+
+/*
+ * Function: get_minmax
+ * Purpose: Gather all the min, max and total of val.
+ * Return: Nothing
+ * Programmer: Bill Wendling, 21. December 2001
+ * Modifications:
+ * Use MPI_Allreduce to do it. -akc, 2002/01/11
+ */
+static void
+get_minmax(minmax *mm, double val)
+{
+ int myrank;
+
+ MPI_Comm_rank(pio_comm_g, &myrank);
+ MPI_Comm_size(pio_comm_g, &mm->num);
+
+ MPI_Allreduce(&val, &mm->max, 1, MPI_DOUBLE, MPI_MAX, pio_comm_g);
+ MPI_Allreduce(&val, &mm->min, 1, MPI_DOUBLE, MPI_MIN, pio_comm_g);
+ MPI_Allreduce(&val, &mm->sum, 1, MPI_DOUBLE, MPI_SUM, pio_comm_g);
+}
+
+/*
+ * Function: accumulate_minmax_stuff
+ * Purpose: Accumulate the minimum, maximum, and average of the times
+ * across all processes.
+ * Return: TOTAL_MM - the total of all of these.
+ * Programmer: Bill Wendling, 21. December 2001
+ * Modifications:
+ * Changed to use seconds instead of MB/s - QAK, 5/9/02
+ */
+static minmax
+accumulate_minmax_stuff(minmax *mm, int count)
+{
+ int i;
+ minmax total_mm;
+
+ total_mm.sum = 0.0;
+ total_mm.max = -DBL_MAX;
+ total_mm.min = DBL_MAX;
+ total_mm.num = count;
+
+ for (i = 0; i < count; ++i) {
+ double m = mm[i].max;
+
+ total_mm.sum += m;
+
+ if (m < total_mm.min)
+ total_mm.min = m;
+
+ if (m > total_mm.max)
+ total_mm.max = m;
+ }
+
+ return total_mm;
+}
+
+/*
+ * Function: create_comm_world
+ * Purpose: Create an MPI Comm world and store it in pio_comm_g, which
+ * is a global variable.
+ * Return: SUCCESS on success.
+ * FAIL otherwise.
+ * Programmer: Bill Wendling, 19. December 2001
+ * Modifications:
+ */
+static int
+create_comm_world(int num_procs, int *doing_pio)
+{
+ /* MPI variables */
+ int mrc; /* return values */
+ int color; /* for communicator creation */
+ int myrank, nprocs;
+
+ pio_comm_g = MPI_COMM_NULL;
+
+ /*
+ * Create a sub communicator for this PIO run. Easier to use the first N
+ * processes.
+ */
+ MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
+
+ if (num_procs > nprocs) {
+ fprintf(stderr,
+ "number of process(%d) must be <= number of processes in MPI_COMM_WORLD(%d)\n",
+ num_procs, nprocs);
+ goto error_done;
+ }
+
+ MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
+ color = (myrank < num_procs);
+ mrc = MPI_Comm_split(MPI_COMM_WORLD, color, myrank, &pio_comm_g);
+
+ if (mrc != MPI_SUCCESS) {
+ fprintf(stderr, "MPI_Comm_split failed\n");
+ goto error_done;
+ }
+
+ if (!color) {
+ /* not involved in this run */
+ mrc = destroy_comm_world();
+ goto done;
+ }
+
+ /* determine the MPI rank in the PIO communicator */
+ MPI_Comm_size(pio_comm_g, &pio_mpi_nprocs_g);
+ MPI_Comm_rank(pio_comm_g, &pio_mpi_rank_g);
+
+done:
+ *doing_pio = color;
+ return SUCCESS;
+
+error_done:
+ destroy_comm_world();
+ return FAIL;
+}
+
+/*
+ * Function: destroy_comm_world
+ * Purpose: Destroy the created MPI Comm world which is stored in the
+ * pio_comm_g global variable.
+ * Return: SUCCESS on success.
+ * FAIL otherwise.
+ * Programmer: Bill Wendling, 19. December 2001
+ * Modifications:
+ */
+static int
+destroy_comm_world(void)
+{
+ int mrc = SUCCESS; /* return code */
+
+ /* release MPI resources */
+ if (pio_comm_g != MPI_COMM_NULL)
+ mrc = (MPI_Comm_free(&pio_comm_g) == MPI_SUCCESS ? SUCCESS : FAIL);
+
+ return mrc;
+}
+
+/*
+ * Function: output_results
+ * Purpose: Print information about the time & bandwidth for a given
+ * minmax & # of iterations.
+ * Return: Nothing
+ * Programmer: Quincey Koziol, 9. May 2002
+ * Modifications:
+ */
+static void
+output_results(const struct options *opts, const char *name, minmax *table,
+ int table_size,off_t data_size)
+{
+ minmax total_mm;
+
+ total_mm = accumulate_minmax_stuff(table, table_size);
+
+ print_indent(3);
+ output_report("%s (%d iteration(s)):\n", name,table_size);
+
+ /* Note: The maximum throughput uses the minimum amount of time & vice versa */
+
+ print_indent(4);
+ output_report("Maximum Throughput: %6.2f MB/s", MB_PER_SEC(data_size,total_mm.min));
+ if(opts->print_times)
+ output_report(" (%7.3f s)\n", total_mm.min);
+ else
+ output_report("\n");
+
+ print_indent(4);
+ output_report("Average Throughput: %6.2f MB/s",
+ MB_PER_SEC(data_size,total_mm.sum / total_mm.num));
+ if(opts->print_times)
+ output_report(" (%7.3f s)\n", (total_mm.sum / total_mm.num));
+ else
+ output_report("\n");
+
+ print_indent(4);
+ output_report("Minimum Throughput: %6.2f MB/s", MB_PER_SEC(data_size,total_mm.max));
+ if(opts->print_times)
+ output_report(" (%7.3f s)\n", total_mm.max);
+ else
+ output_report("\n");
+
+}
+
+static void
+output_times(const struct options *opts, const char *name, minmax *table,
+ int table_size)
+{
+ minmax total_mm;
+
+ total_mm = accumulate_minmax_stuff(table, table_size);
+
+ print_indent(3);
+ output_report("%s (%d iteration(s)):\n", name,table_size);
+
+ /* Note: The maximum throughput uses the minimum amount of time & vice versa */
+
+ print_indent(4);
+ output_report("Minimum Accumulated Time using %d file(s): %7.5f s\n", opts->num_files,(total_mm.min));
+
+ print_indent(4);
+ output_report("Average Accumulated Time using %d file(s): %7.5f s\n", opts->num_files,(total_mm.sum / total_mm.num));
+
+ print_indent(4);
+ output_report("Maximum Accumulated Time using %d file(s): %7.5f s\n", opts->num_files,(total_mm.max));
+}
+
+/*
+ * Function: output_report
+ * Purpose: Print a line of the report. Only do so if I'm the 0 process.
+ * Return: Nothing
+ * Programmer: Bill Wendling, 19. December 2001
+ * Modifications:
+ */
+static void
+output_report(const char *fmt, ...)
+{
+ int myrank;
+
+ MPI_Comm_rank(pio_comm_g, &myrank);
+
+ if (myrank == 0) {
+ va_list ap;
+
+ va_start(ap, fmt);
+ vfprintf(output, fmt, ap);
+ va_end(ap);
+ }
+}
+
+/*
+ * Function: print_indent
+ * Purpose: Print spaces to indent a new line of text for pretty printing
+ * things.
+ * Return: Nothing
+ * Programmer: Bill Wendling, 29. October 2001
+ * Modifications:
+ */
+static void
+print_indent(register int indent)
+{
+ int myrank;
+
+ MPI_Comm_rank(pio_comm_g, &myrank);
+
+ if (myrank == 0) {
+ indent *= TAB_SPACE;
+
+ for (; indent > 0; --indent)
+ fputc(' ', output);
+ }
+}
+
+static void
+recover_size_and_print(long long val, const char *end)
+{
+ if (val >= ONE_KB && (val % ONE_KB) == 0) {
+ if (val >= ONE_MB && (val % ONE_MB) == 0) {
+ if (val >= ONE_GB && (val % ONE_GB) == 0)
+ HDfprintf(output, "%" H5_PRINTF_LL_WIDTH "d""GB%s", val / ONE_GB, end);
+ else
+ HDfprintf(output, "%" H5_PRINTF_LL_WIDTH "d""MB%s", val / ONE_MB, end);
+ } else {
+ HDfprintf(output, "%" H5_PRINTF_LL_WIDTH "d""KB%s", val / ONE_KB, end);
+ }
+ } else {
+ HDfprintf(output, "%" H5_PRINTF_LL_WIDTH "d""%s", val, end);
+ }
+}
+
+static void
+print_io_api(long io_types)
+{
+ if (io_types & PIO_POSIX)
+ HDfprintf(output, "posix ");
+ if (io_types & PIO_MPI)
+ HDfprintf(output, "mpiio ");
+ if (io_types & PIO_HDF5)
+ HDfprintf(output, "phdf5 ");
+ HDfprintf(output, "\n");
+}
+
+static void
+report_parameters(struct options *opts)
+{
+ int rank = comm_world_rank_g;
+
+ print_version("HDF5 Library"); /* print library version */
+ HDfprintf(output, "rank %d: ==== Parameters ====\n", rank);
+
+ HDfprintf(output, "rank %d: IO API=", rank);
+ print_io_api(opts->io_types);
+
+ HDfprintf(output, "rank %d: Number of files=%ld\n", rank,
+ opts->num_files);
+ HDfprintf(output, "rank %d: Number of datasets=%ld\n", rank,
+ opts->num_dsets);
+ HDfprintf(output, "rank %d: Number of iterations=%d\n", rank,
+ opts->num_iters);
+ HDfprintf(output, "rank %d: Number of processes=%d:%d\n", rank,
+ opts->min_num_procs, opts->max_num_procs);
+
+ if (opts->dim2d){
+ HDfprintf(output, "rank %d: Number of bytes per process per dataset=", rank);
+ recover_size_and_print((long long)(opts->num_bpp * opts->num_bpp * opts->min_num_procs), ":");
+ recover_size_and_print((long long)(opts->num_bpp * opts->num_bpp * opts->max_num_procs), "\n");
+
+ HDfprintf(output, "rank %d: Size of dataset(s)=", rank);
+ recover_size_and_print((long long)(opts->num_bpp * opts->min_num_procs), "x");
+ recover_size_and_print((long long)(opts->num_bpp * opts->min_num_procs), ":");
+ recover_size_and_print((long long)(opts->num_bpp * opts->max_num_procs), "x");
+ recover_size_and_print((long long)(opts->num_bpp * opts->max_num_procs), "\n");
+
+ HDfprintf(output, "rank %d: File size=", rank);
+ recover_size_and_print((long long)(pow(opts->num_bpp * opts->min_num_procs,2)
+ * opts->num_dsets), ":");
+ recover_size_and_print((long long)(pow(opts->num_bpp * opts->max_num_procs,2)
+ * opts->num_dsets), "\n");
+
+ HDfprintf(output, "rank %d: Transfer buffer size=", rank);
+ if(opts->interleaved){
+ recover_size_and_print((long long)opts->min_xfer_size, "x");
+ recover_size_and_print((long long)opts->blk_size, ":");
+ recover_size_and_print((long long)opts->max_xfer_size, "x");
+ recover_size_and_print((long long)opts->blk_size, "\n");
+ }
+ else{
+ recover_size_and_print((long long)opts->blk_size, "x");
+ recover_size_and_print((long long)opts->min_xfer_size, ":");
+ recover_size_and_print((long long)opts->blk_size, "x");
+ recover_size_and_print((long long)opts->max_xfer_size, "\n");
+ }
+ HDfprintf(output, "rank %d: Block size=", rank);
+ recover_size_and_print((long long)opts->blk_size, "x");
+ recover_size_and_print((long long)opts->blk_size, "\n");
+ }
+ else{
+ HDfprintf(output, "rank %d: Number of bytes per process per dataset=", rank);
+ recover_size_and_print((long long)opts->num_bpp, "\n");
+
+ HDfprintf(output, "rank %d: Size of dataset(s)=", rank);
+ recover_size_and_print((long long)(opts->num_bpp * opts->min_num_procs), ":");
+ recover_size_and_print((long long)(opts->num_bpp * opts->max_num_procs), "\n");
+
+ HDfprintf(output, "rank %d: File size=", rank);
+ recover_size_and_print((long long)(opts->num_bpp * opts->min_num_procs
+ * opts->num_dsets), ":");
+ recover_size_and_print((long long)(opts->num_bpp * opts->max_num_procs
+ * opts->num_dsets), "\n");
+
+ HDfprintf(output, "rank %d: Transfer buffer size=", rank);
+ recover_size_and_print((long long)opts->min_xfer_size, ":");
+ recover_size_and_print((long long)opts->max_xfer_size, "\n");
+ HDfprintf(output, "rank %d: Block size=", rank);
+ recover_size_and_print((long long)opts->blk_size, "\n");
+ }
+
+ HDfprintf(output, "rank %d: Block Pattern in Dataset=", rank);
+ if(opts->interleaved)
+ HDfprintf(output, "Interleaved\n");
+ else
+ HDfprintf(output, "Contiguous\n");
+
+ HDfprintf(output, "rank %d: I/O Method for MPI and HDF5=", rank);
+ if(opts->collective)
+ HDfprintf(output, "Collective\n");
+ else
+ HDfprintf(output, "Independent\n");
+
+ HDfprintf(output, "rank %d: Geometry=", rank);
+ if(opts->dim2d)
+ HDfprintf(output, "2D\n");
+ else
+ HDfprintf(output, "1D\n");
+
+ HDfprintf(output, "rank %d: VFL used for HDF5 I/O=%s\n", rank, "MPI-IO driver");
+
+ HDfprintf(output, "rank %d: Data storage method in HDF5=", rank);
+ if(opts->h5_use_chunks)
+ HDfprintf(output, "Chunked\n");
+ else
+ HDfprintf(output, "Contiguous\n");
+
+ {
+ char *prefix = getenv("HDF5_PARAPREFIX");
+
+ HDfprintf(output, "rank %d: Env HDF5_PARAPREFIX=%s\n", rank,
+ (prefix ? prefix : "not set"));
+ }
+
+ HDfprintf(output, "rank %d: ", rank);
+ h5_dump_info_object(h5_io_info_g);
+
+ HDfprintf(output, "rank %d: ==== End of Parameters ====\n", rank);
+ HDfprintf(output, "\n");
+}
+
+/*
+ * Function: parse_command_line
+ * Purpose: Parse the command line options and return a STRUCT OPTIONS
+ * structure which will need to be freed by the calling function.
+ * Return: Pointer to an OPTIONS structure
+ * Programmer: Bill Wendling, 31. October 2001
+ * Modifications:
+ * Added 2D testing (Christian Chilan, 10. August 2005)
+ */
+static struct options *
+parse_command_line(int argc, char *argv[])
+{
+ register int opt;
+ struct options *cl_opts;
+
+ cl_opts = (struct options *)malloc(sizeof(struct options));
+
+ cl_opts->output_file = NULL;
+ cl_opts->io_types = 0; /* will set default after parsing options */
+ cl_opts->num_dsets = 1;
+ cl_opts->num_files = 1;
+ cl_opts->num_bpp = 0;
+ cl_opts->num_iters = 1;
+ cl_opts->max_num_procs = comm_world_nprocs_g;
+ cl_opts->min_num_procs = 1;
+ cl_opts->max_xfer_size = 0;
+ cl_opts->min_xfer_size = 0;
+ cl_opts->blk_size = 0;
+ cl_opts->interleaved = 0; /* Default to contiguous blocks in dataset */
+ cl_opts->collective = 0; /* Default to independent I/O access */
+ cl_opts->dim2d = 0; /* Default to 1D */
+ cl_opts->print_times = FALSE; /* Printing times is off by default */
+ cl_opts->print_raw = FALSE; /* Printing raw data throughput is off by default */
+ cl_opts->h5_alignment = 1; /* No alignment for HDF5 objects by default */
+ cl_opts->h5_threshold = 1; /* No threshold for aligning HDF5 objects by default */
+ cl_opts->h5_use_chunks = FALSE; /* Don't chunk the HDF5 dataset by default */
+ cl_opts->h5_write_only = FALSE; /* Do both read and write by default */
+ cl_opts->verify = FALSE; /* No Verify data correctness by default */
+
+ while ((opt = get_option(argc, (const char **)argv, s_opts, l_opts)) != EOF) {
+ switch ((char)opt) {
+ case 'a':
+ cl_opts->h5_alignment = parse_size_directive(opt_arg);
+ break;
+ case 'A':
+ {
+ const char *end = opt_arg;
+
+ while (end && *end != '\0') {
+ char buf[10];
+ int i;
+
+ memset(buf, '\0', sizeof(buf));
+
+ for (i = 0; *end != '\0' && *end != ','; ++end)
+ if (isalnum(*end) && i < 10)
+ buf[i++] = *end;
+
+ if (!HDstrcasecmp(buf, "phdf5")) {
+ cl_opts->io_types |= PIO_HDF5;
+ } else if (!HDstrcasecmp(buf, "mpiio")) {
+ cl_opts->io_types |= PIO_MPI;
+ } else if (!HDstrcasecmp(buf, "posix")) {
+ cl_opts->io_types |= PIO_POSIX;
+ } else {
+ fprintf(stderr, "pio_perf: invalid --api option %s\n",
+ buf);
+ exit(EXIT_FAILURE);
+ }
+
+ if (*end == '\0')
+ break;
+
+ end++;
+ }
+ }
+
+ break;
+#if 0
+ case 'b':
+ /* the future "binary" option */
+ break;
+#endif /* 0 */
+ case 'B':
+ cl_opts->blk_size = parse_size_directive(opt_arg);
+ break;
+ case 'c':
+ /* Turn on chunked HDF5 dataset creation */
+ cl_opts->h5_use_chunks = TRUE;
+ break;
+ case 'C':
+ cl_opts->collective = 1;
+ break;
+ case 'd':
+ cl_opts->num_dsets = atoi(opt_arg);
+ break;
+ case 'D':
+ {
+ const char *end = opt_arg;
+
+ while (end && *end != '\0') {
+ char buf[10];
+ int i;
+
+ memset(buf, '\0', sizeof(buf));
+
+ for (i = 0; *end != '\0' && *end != ','; ++end)
+ if (isalnum(*end) && i < 10)
+ buf[i++] = *end;
+
+ if (strlen(buf) > 1 || isdigit(buf[0])) {
+ size_t j;
+
+ for (j = 0; j < 10 && buf[j] != '\0'; ++j)
+ if (!isdigit(buf[j])) {
+ fprintf(stderr, "pio_perf: invalid --debug option %s\n",
+ buf);
+ exit(EXIT_FAILURE);
+ }
+
+ pio_debug_level = atoi(buf);
+
+ if (pio_debug_level > 4)
+ pio_debug_level = 4;
+ else if (pio_debug_level < 0)
+ pio_debug_level = 0;
+ } else {
+ switch (*buf) {
+ case 'r':
+ /* Turn on raw data throughput info */
+ cl_opts->print_raw = TRUE;
+ break;
+ case 't':
+ /* Turn on time printing */
+ cl_opts->print_times = TRUE;
+ break;
+ case 'v':
+ /* Turn on verify data correctness*/
+ cl_opts->verify = TRUE;
+ break;
+ default:
+ fprintf(stderr, "pio_perf: invalid --debug option %s\n", buf);
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ if (*end == '\0')
+ break;
+
+ end++;
+ }
+ }
+
+ break;
+ case 'e':
+ cl_opts->num_bpp = parse_size_directive(opt_arg);
+ break;
+ case 'F':
+ cl_opts->num_files = atoi(opt_arg);
+ break;
+ case 'g':
+ cl_opts->dim2d = 1;
+ break;
+ case 'i':
+ cl_opts->num_iters = atoi(opt_arg);
+ break;
+ case 'I':
+ cl_opts->interleaved = 1;
+ break;
+ case 'o':
+ cl_opts->output_file = opt_arg;
+ break;
+ case 'p':
+ cl_opts->min_num_procs = atoi(opt_arg);
+ break;
+ case 'P':
+ cl_opts->max_num_procs = atoi(opt_arg);
+ break;
+ case 'T':
+ cl_opts->h5_threshold = parse_size_directive(opt_arg);
+ break;
+ case 'w':
+ cl_opts->h5_write_only = TRUE;
+ break;
+ case 'x':
+ cl_opts->min_xfer_size = parse_size_directive(opt_arg);
+ break;
+ case 'X':
+ cl_opts->max_xfer_size = parse_size_directive(opt_arg);
+ break;
+ case 'h':
+ case '?':
+ default:
+ usage(progname);
+ free(cl_opts);
+ return NULL;
+ }
+ }
+
+
+ if (cl_opts->num_bpp == 0){
+ if (cl_opts->dim2d == 0)
+ cl_opts->num_bpp = 256 * ONE_KB;
+ else
+ cl_opts->num_bpp = 8 * ONE_KB;
+ }
+
+ if (cl_opts->max_xfer_size == 0)
+ cl_opts->max_xfer_size = cl_opts->num_bpp;
+
+ if (cl_opts->min_xfer_size == 0)
+ cl_opts->min_xfer_size = (cl_opts->num_bpp)/2;
+
+ if (cl_opts->blk_size == 0)
+ cl_opts->blk_size = (cl_opts->num_bpp)/2;
+
+
+ /* set default if none specified yet */
+ if (!cl_opts->io_types)
+ cl_opts->io_types = PIO_HDF5 | PIO_MPI | PIO_POSIX; /* run all API */
+
+ /* verify parameters sanity. Adjust if needed. */
+ /* cap xfer_size with bytes per process */
+ if (!cl_opts->dim2d) {
+ if (cl_opts->min_xfer_size > cl_opts->num_bpp)
+ cl_opts->min_xfer_size = cl_opts->num_bpp;
+ if (cl_opts->max_xfer_size > cl_opts->num_bpp)
+ cl_opts->max_xfer_size = cl_opts->num_bpp;
+ }
+ if (cl_opts->min_xfer_size > cl_opts->max_xfer_size)
+ cl_opts->min_xfer_size = cl_opts->max_xfer_size;
+ if (cl_opts->blk_size > cl_opts->num_bpp )
+ cl_opts->blk_size = cl_opts->num_bpp;
+ /* check range of number of processes */
+ if (cl_opts->min_num_procs <= 0)
+ cl_opts->min_num_procs = 1;
+ if (cl_opts->max_num_procs <= 0)
+ cl_opts->max_num_procs = 1;
+ if (cl_opts->min_num_procs > cl_opts->max_num_procs)
+ cl_opts->min_num_procs = cl_opts->max_num_procs;
+ /* check iteration */
+ if (cl_opts->num_iters <= 0)
+ cl_opts->num_iters = 1;
+
+ return cl_opts;
+}
+
+/*
+ * Function: parse_size_directive
+ * Purpose: Parse the size directive passed on the commandline. The size
+ * directive is an integer followed by a size indicator:
+ *
+ * K, k - Kilobyte
+ * M, m - Megabyte
+ * G, g - Gigabyte
+ *
+ * Return: The size as a off_t because this is related to file size.
+ * If an unknown size indicator is used, then the program will
+ * exit with EXIT_FAILURE as the return value.
+ * Programmer: Bill Wendling, 18. December 2001
+ * Modifications:
+ */
+static off_t
+parse_size_directive(const char *size)
+{
+ off_t s;
+ char *endptr;
+
+ s = strtol(size, &endptr, 10);
+
+ if (endptr && *endptr) {
+ while (*endptr != '\0' && (*endptr == ' ' || *endptr == '\t'))
+ ++endptr;
+
+ switch (*endptr) {
+ case 'K':
+ case 'k':
+ s *= ONE_KB;
+ break;
+ case 'M':
+ case 'm':
+ s *= ONE_MB;
+ break;
+ case 'G':
+ case 'g':
+ s *= ONE_GB;
+ break;
+ default:
+ fprintf(stderr, "Illegal size specifier '%c'\n", *endptr);
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ return s;
+}
+
+/*
+ * Function: usage
+ * Purpose: Print a usage message and then exit.
+ * Return: Nothing
+ * Programmer: Bill Wendling, 31. October 2001
+ * Modifications:
+ * Added 2D testing (Christian Chilan, 10. August 2005)
+ */
+static void
+usage(const char *prog)
+{
+ int myrank;
+
+ MPI_Comm_rank(pio_comm_g, &myrank);
+
+ if (myrank == 0) {
+ print_version(prog);
+ printf("usage: %s [OPTIONS]\n", prog);
+ printf(" OPTIONS\n");
+ printf(" -h, --help Print a usage message and exit\n");
+ printf(" -a S, --align=S Alignment of objects in HDF5 file [default: 1]\n");
+ printf(" -A AL, --api=AL Which APIs to test [default: all of them]\n");
+#if 0
+ printf(" -b, --binary The elusive binary option\n");
+#endif /* 0 */
+ printf(" -B S, --block-size=S Block size within transfer buffer\n");
+ printf(" (see below for description)\n");
+ printf(" [default: half the number of bytes per process\n");
+ printf(" per dataset]\n");
+ printf(" -c, --chunk Create HDF5 datasets using chunked storage\n");
+ printf(" [default: contiguous storage]\n");
+ printf(" -C, --collective Use collective I/O for MPI and HDF5 APIs\n");
+ printf(" [default: independent I/O)\n");
+ printf(" -d N, --num-dsets=N Number of datasets per file [default: 1]\n");
+ printf(" -D DL, --debug=DL Indicate the debugging level\n");
+ printf(" [default: no debugging]\n");
+ printf(" -e S, --num-bytes=S Number of bytes per process per dataset\n");
+ printf(" (see below for description)\n");
+ printf(" [default: 256K for 1D, 8K for 2D]\n");
+ printf(" -F N, --num-files=N Number of files [default: 1]\n");
+ printf(" -g, --geometry Use 2D geometry [default: 1D geometry]\n");
+ printf(" -i N, --num-iterations=N Number of iterations to perform [default: 1]\n");
+ printf(" -I, --interleaved Interleaved access pattern\n");
+ printf(" (see below for example)\n");
+ printf(" [default: Contiguous access pattern]\n");
+ printf(" -o F, --output=F Output raw data into file F [default: none]\n");
+ printf(" -p N, --min-num-processes=N Minimum number of processes to use [default: 1]\n");
+ printf(" -P N, --max-num-processes=N Maximum number of processes to use\n");
+ printf(" [default: all MPI_COMM_WORLD processes ]\n");
+ printf(" -T S, --threshold=S Threshold for alignment of objects in HDF5 file\n");
+ printf(" [default: 1]\n");
+ printf(" -w, --write-only Perform write tests not the read tests\n");
+ printf(" -x S, --min-xfer-size=S Minimum transfer buffer size\n");
+ printf(" (see below for description)\n");
+ printf(" [default: half the number of bytes per process\n");
+ printf(" per dataset]\n");
+ printf(" -X S, --max-xfer-size=S Maximum transfer buffer size\n");
+ printf(" [default: the number of bytes per process per\n");
+ printf(" dataset]\n");
+ printf("\n");
+ printf(" F - is a filename.\n");
+ printf(" N - is an integer >=0.\n");
+ printf(" S - is a size specifier, an integer >=0 followed by a size indicator:\n");
+ printf(" K - Kilobyte (%d)\n", ONE_KB);
+ printf(" M - Megabyte (%d)\n", ONE_MB);
+ printf(" G - Gigabyte (%d)\n", ONE_GB);
+ printf("\n");
+ printf(" Example: '37M' is 37 megabytes or %d bytes\n", 37*ONE_MB);
+ printf("\n");
+ printf(" AL - is an API list. Valid values are:\n");
+ printf(" phdf5 - Parallel HDF5\n");
+ printf(" mpiio - MPI-I/O\n");
+ printf(" posix - POSIX\n");
+ printf("\n");
+ printf(" Example: --api=mpiio,phdf5\n");
+ printf("\n");
+ printf(" Dataset size:\n");
+ printf(" Depending on the selected geometry, each test dataset is either a linear\n");
+ printf(" array of size bytes-per-process * num-processes, or a square array of size\n");
+ printf(" (bytes-per-process * num-processes) x (bytes-per-process * num-processes).\n");
+ printf("\n");
+ printf(" Block size vs. Transfer buffer size:\n");
+ printf(" buffer-size controls the size of the memory buffer, which is broken into\n");
+ printf(" blocks and written to the file. Depending on the selected geometry, each\n");
+ printf(" block can be a linear array of size block-size or a square array of size\n");
+ printf(" block-size x block-size. The arrangement in which blocks are written is\n");
+ printf(" determined by the access pattern.\n");
+ printf("\n");
+ printf(" In 1D geometry, the transfer buffer is a linear array of size buffer-size.\n");
+ printf(" In 2D geometry, it is a rectangular array of size block-size x buffer-size\n");
+ printf(" or buffer-size x block-size if interleaved pattern is selected.\n");
+ printf("\n");
+ printf(" Interleaved and Contiguous patterns in 1D geometry:\n");
+ printf(" When contiguous access pattern is chosen, the dataset is evenly divided\n");
+ printf(" into num-processes regions and each process writes data to its own region.\n");
+ printf(" When interleaved blocks are written to a dataset, space for the first\n");
+ printf(" block of the first process is allocated in the dataset, then space is\n");
+ printf(" allocated for the first block of the second process, etc. until space is\n");
+ printf(" allocated for the first block of each process, then space is allocated for\n");
+ printf(" the second block of the first process, the second block of the second\n");
+ printf(" process, etc.\n");
+ printf("\n");
+ printf(" For example, with a 3 process run, 512KB bytes-per-process, 256KB transfer\n");
+ printf(" buffer size, and 64KB block size, each process must issue 2 transfer\n");
+ printf(" requests to complete access to the dataset.\n");
+ printf(" Contiguous blocks of the first transfer request are written like so:\n");
+ printf(" 1111----2222----3333----\n");
+ printf(" Interleaved blocks of the first transfer request are written like so:\n");
+ printf(" 123123123123------------\n");
+ printf(" The actual number of I/O operations involved in a transfer request\n");
+ printf(" depends on the access pattern and communication mode.\n");
+ printf(" When using independent I/O with interleaved pattern, each process\n");
+ printf(" performs 4 small non-contiguous I/O operations per transfer request.\n");
+ printf(" If collective I/O is turned on, the combined content of the buffers of\n");
+ printf(" the 3 processes will be written using one collective I/O operation\n");
+ printf(" per transfer request.\n");
+ printf("\n");
+ printf(" For information about access patterns in 2D geometry, please refer to the\n");
+ printf(" HDF5 Reference Manual.\n");
+ printf("\n");
+ printf(" DL - is a list of debugging flags. Valid values are:\n");
+ printf(" 1 - Minimal\n");
+ printf(" 2 - Not quite everything\n");
+ printf(" 3 - Everything\n");
+ printf(" 4 - The kitchen sink\n");
+ printf(" r - Raw data I/O throughput information\n");
+ printf(" t - Times as well as throughputs\n");
+ printf(" v - Verify data correctness\n");
+ printf("\n");
+ printf(" Example: --debug=2,r,t\n");
+ printf("\n");
+ printf(" Environment variables:\n");
+ printf(" HDF5_NOCLEANUP Do not remove data files if set [default remove]\n");
+ printf(" HDF5_MPI_INFO MPI INFO object key=value separated by ;\n");
+ printf(" HDF5_PARAPREFIX Paralllel data files prefix\n");
+ fflush(stdout);
+ }
+}
+
+#else /* H5_HAVE_PARALLEL */
+
+/*
+ * Function: main
+ * Purpose: Dummy main() function for if HDF5 was configured without
+ * parallel stuff.
+ * Return: EXIT_SUCCESS
+ * Programmer: Bill Wendling, 14. November 2001
+ * Modifications:
+ */
+int
+main(void)
+{
+ printf("No parallel IO performance because parallel is not configured\n");
+ return EXIT_SUCCESS;
+}
+
+#endif /* !H5_HAVE_PARALLEL */