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Add a basic benchmarking tool

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Přemysl Eric Janouch 2021-09-20 01:43:25 +02:00
parent e4d1e50c4a
commit d7230fee0d
Signed by: p
GPG Key ID: A0420B94F92B9493
2 changed files with 73 additions and 0 deletions
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65
fastiv-io-benchmark.c Normal file
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@ -0,0 +1,65 @@
//
// fastiv-io-benchmark.c: see if we're worth the name
//
// Copyright (c) 2021, Přemysl Eric Janouch <p@janouch.name>
//
// 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 <time.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "fastiv-view.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();
cairo_surface_t *loaded_by_us = fastiv_io_open(filename, NULL);
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;
}

8
meson.build
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@ -22,6 +22,14 @@ executable('fastiv', 'fastiv.c', 'fastiv-view.c', 'fastiv-io.c',
install : true,
dependencies : [dependencies])
# TODO(p): See fastiv_io_open(), consider optionally integrating this.
gdk_pixbuf = dependency('gdk-pixbuf-2.0', required : false)
if gdk_pixbuf.found()
executable('io-benchmark', 'fastiv-io-benchmark.c', 'fastiv-io.c',
build_by_default : false,
dependencies : [dependencies, gdk_pixbuf])
endif
install_data('fastiv.desktop',
install_dir : get_option('datadir') + '/applications')
install_data('fastiv.svg',