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-rw-r--r--perform/perf.c322
1 files changed, 157 insertions, 165 deletions
diff --git a/perform/perf.c b/perform/perf.c
index cebf50c..92b85bc 100644
--- a/perform/perf.c
+++ b/perform/perf.c
@@ -82,79 +82,76 @@ char opt_pvfstab[256] = "notset";
int opt_pvfstab_set = 0;
/* function prototypes */
-int parse_args(int argc, char **argv);
-double Wtime(void);
+static int parse_args(int argc, char **argv);
extern int errno;
-extern int debug_on;
/* globals needed for getopt */
extern char *optarg;
-extern int optind, opterr;
int main(int argc, char **argv)
{
- char *buf, *tmp, *buf2, *tmp2, *check;
- int i, j, mynod=0, nprocs=1, err, my_correct = 1, correct, myerrno;
- double stim, etim;
- double write_tim = 0;
- double read_tim = 0;
- double read_bw, write_bw;
- double max_read_tim, max_write_tim;
- double min_read_tim, min_write_tim;
- double ave_read_tim, ave_write_tim;
- int64_t iter_jump = 0;
- int64_t seek_position = 0;
- MPI_File fh;
- MPI_Status status;
- int nchars;
+ char *buf, *tmp, *buf2, *tmp2, *check;
+ int i, j, mynod=0, nprocs=1, err, my_correct = 1, correct, myerrno;
+ double stim, etim;
+ double write_tim = 0;
+ double read_tim = 0;
+ double read_bw, write_bw;
+ double max_read_tim, max_write_tim;
+ double min_read_tim, min_write_tim;
+ double ave_read_tim, ave_write_tim;
+ int64_t iter_jump = 0;
+ int64_t seek_position = 0;
+ MPI_File fh;
+ MPI_Status status;
+ int nchars;
herr_t ret; /* Generic return value */
- /* startup MPI and determine the rank of this process */
- MPI_Init(&argc,&argv);
- MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
- MPI_Comm_rank(MPI_COMM_WORLD, &mynod);
+ /* startup MPI and determine the rank of this process */
+ MPI_Init(&argc,&argv);
+ MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
+ MPI_Comm_rank(MPI_COMM_WORLD, &mynod);
- /* parse the command line arguments */
- parse_args(argc, argv);
+ /* parse the command line arguments */
+ parse_args(argc, argv);
- if (mynod == 0) printf("# Using hdf5-io calls.\n");
+ if (mynod == 0) printf("# Using hdf5-io calls.\n");
- /* kindof a weird hack- if the location of the pvfstab file was
- * specified on the command line, then spit out this location into
- * the appropriate environment variable: */
+ /* kindof a weird hack- if the location of the pvfstab file was
+ * specified on the command line, then spit out this location into
+ * the appropriate environment variable: */
#if H5_HAVE_SETENV
/* no setenv or unsetenv */
- if (opt_pvfstab_set) {
- if((setenv("PVFSTAB_FILE", opt_pvfstab, 1)) < 0){
- perror("setenv");
- goto die_jar_jar_die;
- }
- }
+ if (opt_pvfstab_set) {
+ if((setenv("PVFSTAB_FILE", opt_pvfstab, 1)) < 0){
+ perror("setenv");
+ goto die_jar_jar_die;
+ }
+ }
#endif
- /* this is how much of the file data is covered on each iteration of
- * the test. used to help determine the seek offset on each
- * iteration */
- iter_jump = nprocs * opt_block;
+ /* this is how much of the file data is covered on each iteration of
+ * the test. used to help determine the seek offset on each
+ * iteration */
+ iter_jump = nprocs * opt_block;
- /* setup a buffer of data to write */
- if (!(tmp = (char *) malloc(opt_block + 256))) {
- perror("malloc");
- goto die_jar_jar_die;
- }
- buf = tmp + 128 - (((long)tmp) % 128); /* align buffer */
-
- if (opt_correct) {
- /* do the same buffer setup for verifiable data */
- if (!(tmp2 = (char *) malloc(opt_block + 256))) {
- perror("malloc2");
- goto die_jar_jar_die;
- }
- buf2 = tmp + 128 - (((long)tmp) % 128);
- }
+ /* setup a buffer of data to write */
+ if (!(tmp = (char *) malloc(opt_block + 256))) {
+ perror("malloc");
+ goto die_jar_jar_die;
+ }
+ buf = tmp + 128 - (((long)tmp) % 128); /* align buffer */
+
+ if (opt_correct) {
+ /* do the same buffer setup for verifiable data */
+ if (!(tmp2 = (char *) malloc(opt_block + 256))) {
+ perror("malloc2");
+ goto die_jar_jar_die;
+ }
+ buf2 = tmp + 128 - (((long)tmp) % 128);
+ }
/* setup file access template with parallel IO access. */
if (opt_split_vfd){
@@ -319,137 +316,131 @@ int main(int argc, char **argv)
ret=H5Pclose(acc_tpl);
VRFY((ret >= 0), "H5Pclose succeeded", H5FATAL);
- /* compute the read and write times */
- MPI_Allreduce(&read_tim, &max_read_tim, 1, MPI_DOUBLE, MPI_MAX,
- MPI_COMM_WORLD);
- MPI_Allreduce(&read_tim, &min_read_tim, 1, MPI_DOUBLE, MPI_MIN,
- MPI_COMM_WORLD);
- MPI_Allreduce(&read_tim, &ave_read_tim, 1, MPI_DOUBLE, MPI_SUM,
- MPI_COMM_WORLD);
+ /* compute the read and write times */
+ MPI_Allreduce(&read_tim, &max_read_tim, 1, MPI_DOUBLE, MPI_MAX,
+ MPI_COMM_WORLD);
+ MPI_Allreduce(&read_tim, &min_read_tim, 1, MPI_DOUBLE, MPI_MIN,
+ MPI_COMM_WORLD);
+ MPI_Allreduce(&read_tim, &ave_read_tim, 1, MPI_DOUBLE, MPI_SUM,
+ MPI_COMM_WORLD);
- /* calculate the average from the sum */
- ave_read_tim = ave_read_tim / nprocs;
+ /* calculate the average from the sum */
+ ave_read_tim = ave_read_tim / nprocs;
- MPI_Allreduce(&write_tim, &max_write_tim, 1, MPI_DOUBLE, MPI_MAX,
- MPI_COMM_WORLD);
- MPI_Allreduce(&write_tim, &min_write_tim, 1, MPI_DOUBLE, MPI_MIN,
- MPI_COMM_WORLD);
- MPI_Allreduce(&write_tim, &ave_write_tim, 1, MPI_DOUBLE, MPI_SUM,
- MPI_COMM_WORLD);
+ MPI_Allreduce(&write_tim, &max_write_tim, 1, MPI_DOUBLE, MPI_MAX,
+ MPI_COMM_WORLD);
+ MPI_Allreduce(&write_tim, &min_write_tim, 1, MPI_DOUBLE, MPI_MIN,
+ MPI_COMM_WORLD);
+ MPI_Allreduce(&write_tim, &ave_write_tim, 1, MPI_DOUBLE, MPI_SUM,
+ MPI_COMM_WORLD);
- /* calculate the average from the sum */
- ave_write_tim = ave_write_tim / nprocs;
+ /* calculate the average from the sum */
+ ave_write_tim = ave_write_tim / nprocs;
- /* print out the results on one node */
- if (mynod == 0) {
- read_bw = ((int64_t)(opt_block*nprocs*opt_iter))/(max_read_tim*1000000.0);
- write_bw = ((int64_t)(opt_block*nprocs*opt_iter))/(max_write_tim*1000000.0);
+ /* print out the results on one node */
+ if (mynod == 0) {
+ read_bw = ((int64_t)(opt_block*nprocs*opt_iter))/(max_read_tim*1000000.0);
+ write_bw = ((int64_t)(opt_block*nprocs*opt_iter))/(max_write_tim*1000000.0);
- printf("nr_procs = %d, nr_iter = %d, blk_sz = %ld\n", nprocs,
- opt_iter, (long)opt_block);
+ printf("nr_procs = %d, nr_iter = %d, blk_sz = %ld\n", nprocs,
+ opt_iter, (long)opt_block);
- printf("# total_size = %ld\n", (long)(opt_block*nprocs*opt_iter));
+ printf("# total_size = %ld\n", (long)(opt_block*nprocs*opt_iter));
- printf("# Write: min_time = %f, max_time = %f, mean_time = %f\n",
- min_write_tim, max_write_tim, ave_write_tim);
- printf("# Read: min_time = %f, max_time = %f, mean_time = %f\n",
- min_read_tim, max_read_tim, ave_read_tim);
+ printf("# Write: min_time = %f, max_time = %f, mean_time = %f\n",
+ min_write_tim, max_write_tim, ave_write_tim);
+ printf("# Read: min_time = %f, max_time = %f, mean_time = %f\n",
+ min_read_tim, max_read_tim, ave_read_tim);
- printf("Write bandwidth = %f Mbytes/sec\n", write_bw);
- printf("Read bandwidth = %f Mbytes/sec\n", read_bw);
+ printf("Write bandwidth = %f Mbytes/sec\n", write_bw);
+ printf("Read bandwidth = %f Mbytes/sec\n", read_bw);
- if (opt_correct) {
- printf("Correctness test %s.\n", correct ? "passed" : "failed");
- }
- }
+ if (opt_correct) {
+ printf("Correctness test %s.\n", correct ? "passed" : "failed");
+ }
+ }
die_jar_jar_die:
#if H5_HAVE_SETENV
/* no setenv or unsetenv */
- /* clear the environment variable if it was set earlier */
- if (opt_pvfstab_set){
- unsetenv("PVFSTAB_FILE");
- }
+ /* clear the environment variable if it was set earlier */
+ if (opt_pvfstab_set){
+ unsetenv("PVFSTAB_FILE");
+ }
#endif
- free(tmp);
- if (opt_correct) free(tmp2);
- MPI_Finalize();
- return(0);
-}
+ free(tmp);
+ if (opt_correct) free(tmp2);
+ MPI_Finalize();
-int parse_args(int argc, char **argv)
-{
- int c;
-
- while ((c = getopt(argc, argv, "s:b:i:f:p:a:2:c")) != EOF) {
- switch (c) {
- case 's': /* stripe */
- opt_stripe = atoi(optarg);
- break;
- case 'b': /* block size */
- opt_block = atoi(optarg);
- break;
- case 'i': /* iterations */
- opt_iter = atoi(optarg);
- break;
- case 'f': /* filename */
- strncpy(opt_file, optarg, 255);
- break;
- case 'p': /* pvfstab file */
- strncpy(opt_pvfstab, optarg, 255);
- opt_pvfstab_set = 1;
- break;
- case 'a': /* aligned allocation.
- * syntax: -a<alignment>/<threshold>
- * e.g., -a4096/512 allocate at 4096 bytes
- * boundary if request size >= 512.
- */
- {char *p;
- opt_alignment = atoi(optarg);
- if (p=(char*)strchr(optarg, '/'))
- opt_threshold = atoi(p+1);
- }
- HDfprintf(stdout,
- "alignment/threshold=%Hu/%Hu\n",
- opt_alignment, opt_threshold);
- break;
- case '2': /* use 2-files, i.e., split file driver */
- opt_split_vfd=1;
- /* get meta and raw file extension. */
- /* syntax is <raw_ext>,<meta_ext> */
- meta_ext = raw_ext = optarg;
- while (*raw_ext != '\0'){
- if (*raw_ext == ','){
- *raw_ext = '\0';
- raw_ext++;
- break;
- }
- raw_ext++;
- }
- printf("split-file-vfd used: %s,%s\n",
- meta_ext, raw_ext);
- break;
- case 'c': /* correctness */
- opt_correct = 1;
- break;
- case '?': /* unknown */
- default:
- break;
- }
- }
- return(0);
+ return(0);
}
-/* Wtime() - returns current time in sec., in a double */
-double Wtime()
+static int
+parse_args(int argc, char **argv)
{
- struct timeval t;
+ int c;
+
+ while ((c = getopt(argc, argv, "s:b:i:f:p:a:2:c")) != EOF) {
+ switch (c) {
+ case 's': /* stripe */
+ opt_stripe = atoi(optarg);
+ break;
+ case 'b': /* block size */
+ opt_block = atoi(optarg);
+ break;
+ case 'i': /* iterations */
+ opt_iter = atoi(optarg);
+ break;
+ case 'f': /* filename */
+ strncpy(opt_file, optarg, 255);
+ break;
+ case 'p': /* pvfstab file */
+ strncpy(opt_pvfstab, optarg, 255);
+ opt_pvfstab_set = 1;
+ break;
+ case 'a': /* aligned allocation.
+ * syntax: -a<alignment>/<threshold>
+ * e.g., -a4096/512 allocate at 4096 bytes
+ * boundary if request size >= 512.
+ */
+ {char *p;
+ opt_alignment = atoi(optarg);
+ if (p=(char*)strchr(optarg, '/'))
+ opt_threshold = atoi(p+1);
+ }
+ HDfprintf(stdout,
+ "alignment/threshold=%Hu/%Hu\n",
+ opt_alignment, opt_threshold);
+ break;
+ case '2': /* use 2-files, i.e., split file driver */
+ opt_split_vfd=1;
+ /* get meta and raw file extension. */
+ /* syntax is <raw_ext>,<meta_ext> */
+ meta_ext = raw_ext = optarg;
+ while (*raw_ext != '\0'){
+ if (*raw_ext == ','){
+ *raw_ext = '\0';
+ raw_ext++;
+ break;
+ }
+ raw_ext++;
+ }
+ printf("split-file-vfd used: %s,%s\n",
+ meta_ext, raw_ext);
+ break;
+ case 'c': /* correctness */
+ opt_correct = 1;
+ break;
+ case '?': /* unknown */
+ default:
+ break;
+ }
+ }
- gettimeofday(&t, NULL);
- return((double)t.tv_sec + (double)t.tv_usec / 1000000);
+ return(0);
}
/*
@@ -461,11 +452,12 @@ double Wtime()
*/
#else /* H5_HAVE_PARALLEL */
-/* dummy program since H5_HAVE_PARALLE is not configured in */
+/* dummy program since H5_HAVE_PARALLEL is not configured in */
int
main(int UNUSED argc, char UNUSED **argv)
{
-printf("No parallel performance because parallel is not configured in\n");
-return(0);
+ printf("No parallel performance because parallel is not configured in\n");
+ return(0);
}
#endif /* H5_HAVE_PARALLEL */
+
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