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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
72 lines
3.5 KiB
C
72 lines
3.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/intrin/kprintf.h"
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#include "libc/math.h"
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#include "libc/runtime/runtime.h"
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void __testlib_ezbenchreport(const char *form, double c1, double c2) {
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__warn_if_powersave();
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kprintf(" * %-19s l: %,9luc %,9luns m: %,9luc %,9luns\n", form,
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lrint(c1), lrint(c1 / 3), lrint(c2), lrint(c2 / 3));
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}
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void __testlib_ezbenchreport_n(const char *form, char z, size_t n, double c) {
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long cn, lat;
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uint64_t bps;
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char msg[128];
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__warn_if_powersave();
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ksnprintf(msg, sizeof(msg), "%s %c=%d", form, z, n);
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cn = lrint(c / 3);
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if (!n) {
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kprintf("\n");
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kprintf(" * %-28s", msg);
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if (cn < 1) {
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kprintf(" %'9lu %-12s", (int64_t)(cn * 1024), "picoseconds");
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} else if (cn > 1024) {
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kprintf(" %'9lu %-12s", (int64_t)(cn / 1024), "microseconds");
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} else {
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kprintf(" %'9lu %-12s", (int64_t)cn, "nanoseconds");
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}
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} else {
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kprintf(" * %-28s", msg);
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bps = n / cn * 1e9;
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lat = cn / n;
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if (lat < 1e-3) {
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kprintf(" %'9lu %-12s", (int64_t)(lat * 1024 * 1024), "fs/byte");
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} else if (lat < 1) {
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kprintf(" %'9lu %-12s", (int64_t)(lat * 1024), "ps/byte");
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} else if (lat > 1024) {
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kprintf(" %'9lu %-12s", (int64_t)(lat / 1024), "µs/byte");
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} else {
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kprintf(" %'9lu %-12s", (int64_t)lat, "ns/byte");
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}
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if (bps < 10 * 1000) {
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kprintf(" %'9lu b/s", bps);
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} else if (bps < 10 * 1000 * 1024) {
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kprintf(" %'9lu kb/s", bps / 1024);
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} else if (bps < 10ul * 1000 * 1024 * 1024) {
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kprintf(" %'9lu mb/s", bps / (1024 * 1024));
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} else if (bps < 10ul * 1000 * 1024 * 1024 * 1024) {
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kprintf(" %'9lu GB/s", bps / (1024 * 1024 * 1024));
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} else {
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kprintf(" %'9lu TB/s", bps / (1024ul * 1024 * 1024 * 1024));
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}
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}
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kprintf("\n", form);
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}
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