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author | Quincey Koziol <koziol@hdfgroup.org> | 2009-03-11 01:44:36 (GMT) |
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committer | Quincey Koziol <koziol@hdfgroup.org> | 2009-03-11 01:44:36 (GMT) |
commit | 828e7e2416b3193b5964c0ab13b95a605088bd02 (patch) | |
tree | a9b7ab02a83f4df9c58444f7c6961da3b8d8aa6a /perform/perf.c | |
parent | ddf384fb35052913970bcabd7b247f4280be08fc (diff) | |
download | hdf5-828e7e2416b3193b5964c0ab13b95a605088bd02.zip hdf5-828e7e2416b3193b5964c0ab13b95a605088bd02.tar.gz hdf5-828e7e2416b3193b5964c0ab13b95a605088bd02.tar.bz2 |
[svn-r16566] Description:
Bring r16560 back from trunk.
Tested on:
Mac OS X/32 10.5.6 (amazon) debug & production
(Following up with tests on more platforms)
Diffstat (limited to 'perform/perf.c')
-rw-r--r-- | perform/perf.c | 322 |
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 */ + |