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#include "hist.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
static double now(void)
{
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
return ts.tv_sec + ts.tv_nsec * 1e-9;
}
/* Rows shaped like the term-write-bench lines that scroll into history. */
static int make_row(const char *name, struct cell *row)
{
struct cell d = { ' ', WSAP_VTCORE_COLOR_FG, WSAP_VTCORE_COLOR_BG, 0, 0 };
int n = 0;
if (!strcmp(name, "ascii-row")) {
const char *s = "The quick brown fox jumps over the lazy dog. 0123456789";
for (; s[n]; n++) {
row[n] = d;
row[n].c = (uint8_t)s[n];
}
} else if (!strcmp(name, "cjk-row")) {
for (int i = 0; i < 23; i++) {
row[n] = d;
row[n].c = 0x65e5 + (uint32_t)i;
row[n++].flags = CELL_WIDE;
row[n] = d;
row[n].c = 0;
row[n++].flags = CELL_TRAIL;
}
} else if (!strcmp(name, "colors-row")) {
const char *s = "red RGB";
for (; s[n]; n++) {
row[n] = d;
row[n].c = (uint8_t)s[n];
if (n < 3)
row[n].fg = wsap_vtcore_color_index(1);
if (n > 3)
row[n].fg = wsap_vtcore_color_rgb(12, 34, 56);
}
} else if (!strcmp(name, "fg-char-row")) {
for (; n < 120; n++) {
row[n] = d;
row[n].c = 'a' + (uint32_t)(n % 26);
row[n].fg = wsap_vtcore_color_rgb((uint8_t)n, (uint8_t)(n * 3), (uint8_t)(n * 7));
}
}
return n;
}
int main(int argc, char **argv)
{
int iterations = argc > 1 ? atoi(argv[1]) : 10000000;
struct hist h;
if (!wsap_vtcore_hist_init(&h, 10000, 8 * 1024 * 1024)) {
fprintf(stderr, "failed to initialize hist\n");
return EXIT_FAILURE;
}
const char *line = "abcdefghijklmnopqrstuvwxyz\n";
int len = (int)strlen(line);
for (int i = 0; i < 10000; i++)
wsap_vtcore_hist_push_ascii(&h, line, len, NULL, false);
double t0 = now();
for (int i = 0; i < iterations; i++)
wsap_vtcore_hist_push_ascii(&h, line, len, NULL, false);
double elapsed = now() - t0;
printf("%-12s %6.2f ns/line %.2f GiB/s (%d B/line)\n", "ascii",
elapsed * 1e9 / iterations,
(double)iterations * len / (1024.0 * 1024.0 * 1024.0) / elapsed, len);
wsap_vtcore_hist_free(&h);
static const char *rows[] = { "ascii-row", "cjk-row", "colors-row", "fg-char-row" };
for (size_t k = 0; k < sizeof(rows) / sizeof(rows[0]); k++) {
struct cell row[128];
int n = make_row(rows[k], row);
int iters = iterations / 4;
if (!wsap_vtcore_hist_init(&h, 4096, 0))
return EXIT_FAILURE;
for (int i = 0; i < 10000; i++)
wsap_vtcore_hist_push_row(&h, row, n, false, NULL);
t0 = now();
for (int i = 0; i < iters; i++)
wsap_vtcore_hist_push_row(&h, row, n, false, NULL);
elapsed = now() - t0;
printf("%-12s %6.2f ns/row (%d cells)\n", rows[k], elapsed * 1e9 / iters, n);
wsap_vtcore_hist_free(&h);
}
return EXIT_SUCCESS;
}
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