Compute several statistics
This commit is contained in:
parent
6e2058edce
commit
ac12be8c12
@ -2,6 +2,6 @@ get_property(BENCH6_LIST GLOBAL PROPERTY bench6_list)
|
||||
configure_file(config.in.h config.h)
|
||||
include_directories(${CMAKE_CURRENT_BINARY_DIR})
|
||||
|
||||
add_executable(bench6_runner runner.c)
|
||||
target_link_libraries(bench6_runner PRIVATE m bench6_lib)
|
||||
install(TARGETS bench6_runner RUNTIME DESTINATION bin)
|
||||
add_executable(bigote runner.c)
|
||||
target_link_libraries(bigote PRIVATE m bench6_lib)
|
||||
install(TARGETS bigote RUNTIME DESTINATION bin)
|
||||
|
||||
@ -4,8 +4,7 @@
|
||||
#ifndef CONFIG_H
|
||||
#define CONFIG_H
|
||||
|
||||
#define BENCH6_PREFIX "@CMAKE_INSTALL_PREFIX@"
|
||||
#define BENCH6_BIN (BENCH6_PREFIX "/bin")
|
||||
#define BENCH6_LIST "@BENCH6_LIST@"
|
||||
/* Where the benchmark binaries are located */
|
||||
#define BENCH6_BENCHDIR "@CMAKE_INSTALL_LIBEXECDIR@"
|
||||
|
||||
#endif /* CONFIG_H */
|
||||
|
||||
@ -1,3 +1,4 @@
|
||||
#include "bench6.h"
|
||||
#include "common.h"
|
||||
#include "config.h"
|
||||
#include <limits.h>
|
||||
@ -12,12 +13,17 @@
|
||||
static char *progname = "bench6";
|
||||
|
||||
struct sampling {
|
||||
int nmax;
|
||||
int nmin;
|
||||
int n;
|
||||
long nmax;
|
||||
long nmin;
|
||||
long n;
|
||||
double *samples;
|
||||
double rse;
|
||||
double rsem;
|
||||
double last;
|
||||
double wall;
|
||||
double min_rsem;
|
||||
const char *name;
|
||||
double t0;
|
||||
double min_time;
|
||||
};
|
||||
|
||||
static int
|
||||
@ -43,7 +49,7 @@ do_run(char *argv[], double *ptime)
|
||||
*nl = '\0';
|
||||
|
||||
/* Clean status line */
|
||||
fprintf(stderr, "%s\n", line);
|
||||
//fprintf(stderr, "%s\n", line);
|
||||
|
||||
double time;
|
||||
sscanf(line, "%le", &time);
|
||||
@ -52,7 +58,7 @@ do_run(char *argv[], double *ptime)
|
||||
|
||||
/* Drain the rest of the stdout */
|
||||
while (fgets(line, 4096, p) != NULL) {
|
||||
fprintf(stderr, "%s", line);
|
||||
//fprintf(stderr, "%s", line);
|
||||
}
|
||||
|
||||
bad_close:
|
||||
@ -75,41 +81,191 @@ cmp_double(const void *pa, const void *pb)
|
||||
return 0;
|
||||
}
|
||||
|
||||
//static void
|
||||
//resample(double *values, long n, double *out)
|
||||
//{
|
||||
// for (long i = 0; i < n; i++) {
|
||||
// /* FIXME: Not really uniform */
|
||||
// out[i] = values[rand() % n];
|
||||
// //printf("out[%ld] = %e\n", i, out[i]);
|
||||
// }
|
||||
//}
|
||||
//
|
||||
//static double
|
||||
//mad_bootstrap(double *values, long n)
|
||||
//{
|
||||
// long m = 1000;
|
||||
//
|
||||
// double *r = calloc(n, sizeof(double));
|
||||
// if (r == NULL) {
|
||||
// perror("calloc failed");
|
||||
// exit(1);
|
||||
// }
|
||||
//
|
||||
// double *absdev = calloc(n, sizeof(double));
|
||||
// if (absdev == NULL) {
|
||||
// perror("calloc failed");
|
||||
// exit(1);
|
||||
// }
|
||||
//
|
||||
// double *mad = calloc(m, sizeof(double));
|
||||
// if (mad == NULL) {
|
||||
// perror("calloc failed");
|
||||
// exit(1);
|
||||
// }
|
||||
//
|
||||
// for (long sample = 0; sample < m; sample++) {
|
||||
// resample(values, n, r);
|
||||
//
|
||||
// qsort(r, n, sizeof(double), cmp_double);
|
||||
// double median = r[n / 2];
|
||||
//
|
||||
// for (long i = 0; i < n; i++) {
|
||||
// absdev[i] = fabs(r[i] - median);
|
||||
// }
|
||||
//
|
||||
// qsort(absdev, n, sizeof(double), cmp_double);
|
||||
// mad[sample] = absdev[n / 2];
|
||||
// //printf("mad[%ld] = %e\n", sample, mad[sample]);
|
||||
// }
|
||||
//
|
||||
// double sum = 0.0;
|
||||
// for (long i = 0; i < m; i++)
|
||||
// sum += mad[i];
|
||||
//
|
||||
// double mean = sum / (double) m;
|
||||
// double sumsqr = 0.0;
|
||||
// for (long i = 0; i < m; i++) {
|
||||
// double dev = mad[i] - mean;
|
||||
// sumsqr += dev * dev;
|
||||
// }
|
||||
//
|
||||
// double var = sumsqr / m;
|
||||
// double stdev = sqrt(var);
|
||||
// double sem = stdev / sqrt(m);
|
||||
// double rsem = 100.0 * sem * 1.96 / mean;
|
||||
//
|
||||
// free(mad);
|
||||
// free(absdev);
|
||||
// free(r);
|
||||
//
|
||||
// return rsem;
|
||||
//}
|
||||
|
||||
static void
|
||||
stats(struct sampling *s)
|
||||
{
|
||||
if (s->n < 2)
|
||||
if (s->n < 1)
|
||||
return;
|
||||
|
||||
double n = s->n;
|
||||
//double last = s->samples[s->n - 1];
|
||||
long outliers = 0;
|
||||
double last = s->samples[s->n - 1];
|
||||
double median = last;
|
||||
double mean = last;
|
||||
double var = NAN;
|
||||
double stdev = NAN;
|
||||
double rstdev = NAN;
|
||||
double sem = NAN;
|
||||
double rsem = NAN;
|
||||
double mad = NAN;
|
||||
//double mad_se = NAN;
|
||||
double q1 = NAN;
|
||||
double q3 = NAN;
|
||||
double iqr = NAN;
|
||||
double pol = NAN;
|
||||
double smin = s->samples[s->n - 1];
|
||||
double smax = s->samples[s->n - 1];
|
||||
|
||||
/* Sort samples to take the median */
|
||||
qsort(s->samples, s->n, sizeof(double), cmp_double);
|
||||
/* Need at least two samples */
|
||||
if (s->n >= 2) {
|
||||
/* Sort samples to take the median */
|
||||
qsort(s->samples, s->n, sizeof(double), cmp_double);
|
||||
|
||||
double median = s->samples[s->n / 2];
|
||||
double *absdev = calloc(s->n, sizeof(double));
|
||||
if (absdev == NULL) {
|
||||
perror("calloc failed");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
double sum = 0.0;
|
||||
for (int i = 0; i < s->n; i++)
|
||||
sum += s->samples[i];
|
||||
smin = s->samples[0];
|
||||
q1 = s->samples[s->n / 4];
|
||||
median = s->samples[s->n / 2];
|
||||
q3 = s->samples[(s->n * 3) / 4];
|
||||
smax = s->samples[s->n - 1];
|
||||
|
||||
double mean = sum / n;
|
||||
double sumsqr = 0.0;
|
||||
for (int i = 0; i < s->n; i++) {
|
||||
double dev = s->samples[i] - mean;
|
||||
sumsqr += dev * dev;
|
||||
//qcd = (q3 - q1) / (q3 + q1);
|
||||
iqr = q3 - q1;
|
||||
|
||||
double sum = 0.0;
|
||||
for (long i = 0; i < s->n; i++)
|
||||
sum += s->samples[i];
|
||||
|
||||
double n = s->n;
|
||||
mean = sum / n;
|
||||
double sumsqr = 0.0;
|
||||
for (long i = 0; i < s->n; i++) {
|
||||
double x = s->samples[i];
|
||||
double dev = x - mean;
|
||||
sumsqr += dev * dev;
|
||||
absdev[i] = fabs(s->samples[i] - median);
|
||||
//printf("absdev[%3ld] = %e\n", i, absdev[i]);
|
||||
if (x < q1 - 1.5 * iqr || x > q3 + iqr * 1.5)
|
||||
outliers++;
|
||||
}
|
||||
qsort(absdev, s->n, sizeof(double), cmp_double);
|
||||
mad = absdev[s->n / 2] * 1.4826;
|
||||
//mad_se = mad_bootstrap(s->samples, s->n);
|
||||
pol = (double) outliers * 100.0 / n;
|
||||
|
||||
var = sumsqr / n;
|
||||
stdev = sqrt(var);
|
||||
rstdev = 100.0 * stdev / mean;
|
||||
sem = stdev / sqrt(n);
|
||||
rsem = 100.0 * sem * 1.96 / mean;
|
||||
s->rsem = rsem;
|
||||
free(absdev);
|
||||
}
|
||||
|
||||
double var = sumsqr / n;
|
||||
double stdev = sqrt(var);
|
||||
double rstdev = 100.0 * stdev / mean;
|
||||
double se = stdev / sqrt(n);
|
||||
double rse = 100.0 * se * 1.96 / mean;
|
||||
|
||||
fprintf(stderr, "%s: n=%03d median=%.3e mean=%.3e SD=%.3e RSD=%.2f%% RSE=%.2f%%\n",
|
||||
progname, s->n, median, mean, stdev, rstdev, rse);
|
||||
|
||||
s->rse = rse;
|
||||
/* Print the header at the beginning only */
|
||||
if (s->n == 1) {
|
||||
//printf("# --- bench6 ---\n");
|
||||
//printf("# Min %ld runs, max %ld\n", s->nmin, s->nmax);
|
||||
//printf("# Cutoff %%RSEM value set to %f\n", s->min_rsem);
|
||||
//printf("# RUN Number of run\n");
|
||||
//printf("# LAST Value of last run\n");
|
||||
//printf("# MEDIAN Median of values until now\n");
|
||||
//printf("# AVG Mean of values until now\n");
|
||||
//printf("# SD Standard deviation\n");
|
||||
//printf("# %%RSD Relative standard deviation to the mean\n");
|
||||
//printf("# %%RSEM Relative standard error of the mean\n");
|
||||
printf("%4s %5s"
|
||||
" %8s %8s %8s %8s %8s"
|
||||
" %8s %8s %8s"
|
||||
" %5s %5s"
|
||||
" %5s\n",
|
||||
"RUN", "WALL",
|
||||
"MIN", "Q1", "MEDIAN", "Q3", "MAX",
|
||||
"MAD", "IQR", "SD",
|
||||
"%RSD", "%RSEM",
|
||||
"%OUTLIERS");
|
||||
}
|
||||
//RUN WALL LAST MEDIAN AVG SD %RSD %RSEM
|
||||
// 89 125.5 5.085e-03 5.075e-03 5.303e-03 3.500e-03 66.00 7.611
|
||||
//RUN WALL LAST MEDIAN AVG SD %RSD %RSEM
|
||||
// 34 3.0 5.110e-03 5.097e-03 5.121e-03 1.327e-04 2.59 0.87
|
||||
printf(
|
||||
"\r%4ld %5.1f"
|
||||
" %8.2e %8.2e %8.2e %8.2e %8.2e"
|
||||
" %8.2e %8.2e %8.2e"
|
||||
" %5.2f %5.2f"
|
||||
" %5.1f ",
|
||||
s->n, s->wall, /* progress */
|
||||
smin, q1, median, q3, smax, /* centrality */
|
||||
mad, iqr, stdev, /* dispersion */
|
||||
rstdev, rsem, /* rel. dispersion */
|
||||
pol /* outliers */
|
||||
);
|
||||
fflush(stdout);
|
||||
}
|
||||
|
||||
static int
|
||||
@ -120,21 +276,26 @@ should_continue(struct sampling *s)
|
||||
if (s->n < s->nmin)
|
||||
return 1;
|
||||
|
||||
if (s->rse > 1.0 /* % */)
|
||||
if (s->rsem > s->min_rsem)
|
||||
return 1;
|
||||
|
||||
double dt = bench6_time() - s->t0;
|
||||
if (dt < s->min_time)
|
||||
return 1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
add_sample(struct sampling *s, double time)
|
||||
add_sample(struct sampling *s, double metric, double walltime)
|
||||
{
|
||||
if (s->n >= s->nmax) {
|
||||
die("overflowing samples");
|
||||
} else {
|
||||
s->samples[s->n] = time;
|
||||
s->samples[s->n] = metric;
|
||||
s->n++;
|
||||
s->last = time;
|
||||
s->last = metric;
|
||||
s->wall += walltime;
|
||||
}
|
||||
}
|
||||
|
||||
@ -143,21 +304,28 @@ sample(char *argv[])
|
||||
{
|
||||
struct sampling s = { 0 };
|
||||
s.nmax = 4000;
|
||||
s.nmin = 30;
|
||||
s.nmin = 50;
|
||||
s.min_rsem = 0.5;
|
||||
s.min_time = 60.0; /* At least one minute */
|
||||
s.samples = calloc(s.nmax, sizeof(double));
|
||||
s.n = 0;
|
||||
s.name = argv[0];
|
||||
s.t0 = bench6_time();
|
||||
|
||||
while (should_continue(&s)) {
|
||||
double time;
|
||||
if (do_run(argv, &time) != 0) {
|
||||
double t0 = bench6_time();
|
||||
double metric;
|
||||
if (do_run(argv, &metric) != 0) {
|
||||
err("failed to run benchmark");
|
||||
return 1;
|
||||
}
|
||||
double t1 = bench6_time();
|
||||
double walltime = t1 - t0;
|
||||
|
||||
add_sample(&s, time);
|
||||
add_sample(&s, metric, walltime);
|
||||
}
|
||||
|
||||
fprintf(stderr, "\n");
|
||||
fprintf(stdout, "\n");
|
||||
|
||||
free(s.samples);
|
||||
|
||||
@ -170,6 +338,11 @@ main(int argc, char *argv[])
|
||||
progname_set(progname);
|
||||
(void) argc;
|
||||
|
||||
//while (argc && argv && strcmp(argv, "--") != 0) {
|
||||
// argv++;
|
||||
// argc--;
|
||||
//}
|
||||
|
||||
if (sample(argv+1) != 0) {
|
||||
err("failed to sample the benchmark");
|
||||
return 1;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user