+++ /dev/null
-/*
- * Copyright (c) 2023 The Khronos Group Inc.
- * Copyright (c) 2023 Valve Corporation
- * Copyright (c) 2023 LunarG, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and/or associated documentation files (the "Materials"), to
- * deal in the Materials without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- * sell copies of the Materials, and to permit persons to whom the Materials are
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice(s) and this permission notice shall be included in
- * all copies or substantial portions of the Materials.
- *
- * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
- *
- * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE MATERIALS OR THE
- * USE OR OTHER DEALINGS IN THE MATERIALS.
- *
- * Author: Charles Giessen <charles@lunarg.com>
- */
-
-#include <vulkan/vulkan.h>
-
-#include <chrono>
-#include <iostream>
-#include <vector>
-
-int main() {
- uint32_t iterations = 20;
- std::vector<std::chrono::milliseconds> samples;
- samples.resize(iterations);
- for (uint32_t i = 0; i < iterations; i++) {
- auto t1 = std::chrono::system_clock::now();
- uint32_t count = 0;
- vkEnumerateInstanceExtensionProperties(nullptr, &count, nullptr);
- // vkEnumerateInstanceLayerProperties(&count, nullptr);
- // vkEnumerateInstanceVersion(&count);
- auto t2 = std::chrono::system_clock::now();
- samples[i] = std::chrono::duration_cast<std::chrono::milliseconds>(t2 - t1);
- }
- std::chrono::milliseconds total_time{};
- for (uint32_t i = 0; i < iterations; i++) {
- total_time += samples[i];
- }
- std::cout << "average time " << total_time.count() / iterations << "ms\n";
- std::cout << "first call time " << samples[0].count() << "ms\n";
- std::cout << "second call time " << samples[1].count() << "ms\n";
- std::cout << "last call time " << samples[iterations - 1].count() << "ms\n";
-}