From de377d3eaec2b07f16d841ac79a97a8282c7e983 Mon Sep 17 00:00:00 2001 From: Přemysl Eric Janouch Date: Tue, 6 Jun 2023 17:54:27 +0200 Subject: Move the image load benchmark under tools --- tools/benchmark-io.c | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 tools/benchmark-io.c (limited to 'tools') diff --git a/tools/benchmark-io.c b/tools/benchmark-io.c new file mode 100644 index 0000000..be8fb8f --- /dev/null +++ b/tools/benchmark-io.c @@ -0,0 +1,75 @@ +// +// benchmark-io.c: measure and compare image loading times +// +// Copyright (c) 2021 - 2022, Přemysl Eric Janouch +// +// Permission to use, copy, modify, and/or distribute this software for any +// purpose with or without fee is hereby granted. +// +// 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 +#include +#include + +#include "fiv-io.h" + +static double +timestamp(void) +{ + struct timespec ts; + clock_gettime(CLOCK_MONOTONIC, &ts); + return ts.tv_sec + ts.tv_nsec / 1.e9; +} + +static void +one_file(const char *filename) +{ + double since_us = timestamp(); + FivIoOpenContext ctx = { + .uri = g_filename_to_uri(filename, NULL, NULL), + .screen_dpi = 96, + // Only using this array as a redirect. + .warnings = g_ptr_array_new_with_free_func(g_free), + }; + + cairo_surface_t *loaded_by_us = fiv_io_open(&ctx, NULL); + g_free((char *) ctx.uri); + g_ptr_array_free(ctx.warnings, TRUE); + if (!loaded_by_us) + return; + + cairo_surface_destroy(loaded_by_us); + double us = timestamp() - since_us; + + double since_pixbuf = timestamp(); + GdkPixbuf *gdk_pixbuf = gdk_pixbuf_new_from_file(filename, NULL); + if (!gdk_pixbuf) + return; + + cairo_surface_t *loaded_by_pixbuf = + gdk_cairo_surface_create_from_pixbuf(gdk_pixbuf, 1, NULL); + g_object_unref(gdk_pixbuf); + cairo_surface_destroy(loaded_by_pixbuf); + double pixbuf = timestamp() - since_pixbuf; + + printf("%f\t%f\t%.0f%%\t%s\n", us, pixbuf, us / pixbuf * 100, filename); +} + +int +main(int argc, char *argv[]) +{ + // Needed for gdk_cairo_surface_create_from_pixbuf(). + gdk_init(&argc, &argv); + + for (int i = 1; i < argc; i++) + one_file(argv[i]); + return 0; +} -- cgit v1.2.3-70-g09d2