cosmopolitan/libc/testlib/ezbenchreport.c
Justine Tunney a3865ecc3c Make more fixes and improvements
- Fix Makefile flaking due to ZIPOBJ_FLAGS generation
- Make printf() floating point and gdtoa thread safe
- Polish up the runit / runitd programs some more
- Prune some more makefile dependencies
2022-06-13 11:02:13 -07:00

88 lines
4.2 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/fmt/fmt.h"
#include "libc/math.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/testlib/testlib.h"
#include "libc/time/time.h"
#include "libc/x/x.h"
STATIC_YOINK("strnwidth");
void __testlib_ezbenchreport(const char *form, uint64_t c1, uint64_t c2) {
uint64_t ns1, ns2;
__warn_if_powersave();
ns1 = rintl(ConvertTicksToNanos(c1));
ns2 = rintl(ConvertTicksToNanos(c2));
(fprintf)(stderr,
VEIL("r", " * %-19s l: %,9luc %,9luns m: %,9luc %,9luns\n"),
form, c1, ns1, c2, ns2);
}
void __testlib_ezbenchreport_n(const char *form, char z, size_t n, uint64_t c) {
char msg[128];
uint64_t bps;
long double cn, lat;
__warn_if_powersave();
(snprintf)(msg, sizeof(msg), "%s %c=%d", form, z, n);
cn = ConvertTicksToNanos(c);
if (!n) {
(fprintf)(stderr, "\n");
(fprintf)(stderr, " * %-28s", msg);
if (cn < 1) {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)(cn * 1024),
"picoseconds");
} else if (cn > 1024) {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)(cn / 1024),
"microseconds");
} else {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)cn, "nanoseconds");
}
} else {
(fprintf)(stderr, " * %-28s", msg);
bps = n / cn * 1e9;
lat = cn / n;
if (lat < 1e-3) {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)(lat * 1024 * 1024),
"fs/byte");
} else if (lat < 1) {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)(lat * 1024),
"ps/byte");
} else if (lat > 1024) {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)(lat / 1024),
"µs/byte");
} else {
(fprintf)(stderr, VEIL("r", " %,9lu %-12s"), (int64_t)lat, "ns/byte");
}
if (bps < 10 * 1000) {
(fprintf)(stderr, VEIL("r", " %,9lu b/s"), bps);
} else if (bps < 10 * 1000 * 1024) {
(fprintf)(stderr, VEIL("r", " %,9lu kb/s"), bps / 1024);
} else if (bps < 10ul * 1000 * 1024 * 1024) {
(fprintf)(stderr, VEIL("r", " %,9lu mb/s"), bps / (1024 * 1024));
} else if (bps < 10ul * 1000 * 1024 * 1024 * 1024) {
(fprintf)(stderr, VEIL("r", " %,9lu GB/s"), bps / (1024 * 1024 * 1024));
} else {
(fprintf)(stderr, VEIL("r", " %,9lu TB/s"),
bps / (1024ul * 1024 * 1024 * 1024));
}
}
(fprintf)(stderr, "\n", form);
}