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Lasts updates in beta branch reduced peromance a lot in debug


Dreikblack
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Go to solution Solved by Josh,

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Release also have lower fps but difference is not that noticeable.

"Benchmark" test with stable build:

Beta branch:

Example code:

#include "UltraEngine.h"

using namespace UltraEngine;

shared_ptr<Window> window;
shared_ptr<Framebuffer> framebuffer;
shared_ptr<World> menuWold;
shared_ptr<Interface> ui;
shared_ptr<Camera> uiCamera;

shared_ptr<Widget> panel;
shared_ptr<Icon> icon1;
shared_ptr<Icon> icon2;

bool isFirst = true;

void initGui()
{
    auto default_font = LoadFont("Fonts\\arial.ttf");
    ui = CreateInterface(menuWold, default_font, framebuffer->GetSize());
    ui->SetRenderLayers(2);
    ui->root->SetColor(0.0f, 0.0f, 0.0f, 0.0f);
    uiCamera = CreateCamera(menuWold, PROJECTION_ORTHOGRAPHIC);
    uiCamera->SetPosition((float)framebuffer->GetSize().x * 0.5f, (float)framebuffer->GetSize().y * 0.5f, 0);
    uiCamera->SetRenderLayers(2);
    uiCamera->SetClearMode(CLEAR_DEPTH);

    panel = CreatePanel(10, 50, 64, 64, ui->root, PANEL_DEFAULT);
    icon1 = LoadIcon("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Icons/help.svg");
    icon2 = LoadIcon("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Icons/new.svg");
}


int main(int argc, const char* argv[])
{
    //Get the displays
    auto displays = GetDisplays();

    //Create a window
    window = CreateWindow("Ultra Engine", 0, 0, 1280, 720, displays[0], WINDOW_DEFAULT);

    //Create a world
    menuWold = CreateWorld();
    menuWold->RecordStats();

    //Create a framebuffer
    framebuffer = CreateFramebuffer(window);

    //Create light
    auto light = CreateBoxLight(menuWold);
    light->SetRange(-10, 10);
    light->SetRotation(15, 15, 0);
    light->SetColor(2);

    //Create camera
    auto camera = CreateCamera(menuWold);
    camera->SetClearColor(0.125);
    camera->SetPosition(0, 0, -3);
    camera->SetFov(70);

    //Main loop
    while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false)
    {
        if (window->KeyHit(KEY_SPACE))
        {
            if (!ui) initGui();
            isFirst = !isFirst;
            if (isFirst)
            {
                panel->SetIcon(icon1);
            }
            else
            {
                panel->SetIcon(icon2);
            }
            
        }
        window->SetText("FPS: " + String(menuWold->renderstats.framerate));
        menuWold->Update();
        menuWold->Render(framebuffer, false);
    }
    return 0;
}

 

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Just to show a more extreme sample which i came up with (might be interesting for you as well @SpiderPig

It is a combination of multiple factors and shows multiple problems at once.

  1. Instantiating still has a memleak, not that high than then previously but still visible in this scenario
  2. Debug leads to rendertimes > 4000 ms while release is much lower but still too high in my opinion (even if you comment out the extra rendertargets and cameras)
  3. Having too many instances at the same position leads to an exception in the physicsthread
  4. Having too many instances leads to vulkan buffer size and index validation errors.
#include "UltraEngine.h"
#include "ComponentSystem.h"
//#include "Steamworks/Steamworks.h"

using namespace UltraEngine;

SIZE_T PrintMemoryInfo()
{
    auto myHandle = GetCurrentProcess();
    //to fill in the process' memory usage details
    PROCESS_MEMORY_COUNTERS pmc;
    //return the usage (bytes), if I may
    if (GetProcessMemoryInfo(myHandle, &pmc, sizeof(pmc)))
        return(pmc.WorkingSetSize);
    else
        return 0;
}


int main(int argc, const char* argv[])
{
    
#ifdef STEAM_API_H
    if (not Steamworks::Initialize())
    {
        RuntimeError("Steamworks failed to initialize.");
        return 1;
    }
#endif

    RegisterComponents();

    auto cl = ParseCommandLine(argc, argv);
    
    //Load FreeImage plugin (optional)
    auto fiplugin = LoadPlugin("Plugins/FITextureLoader");

    //Get the displays
    auto displays = GetDisplays();

    //Create a window
    auto window = CreateWindow("Ultra Engine", 0, 0, 1280 * displays[0]->scale, 720 * displays[0]->scale, displays[0], WINDOW_CENTER | WINDOW_TITLEBAR);

    if (!AttachConsole(ATTACH_PARENT_PROCESS))
    {
        if (AllocConsole())
        {
            freopen("conin$", "r", stdin);
            freopen("conout$", "w", stdout);
            freopen("conout$", "w", stderr);
        }
    }
    else
    {
        auto consoleHandleOut = GetStdHandle(STD_OUTPUT_HANDLE);
        auto consoleHandleIn = GetStdHandle(STD_INPUT_HANDLE);
        auto consoleHandleErr = GetStdHandle(STD_ERROR_HANDLE);
        if (consoleHandleOut != INVALID_HANDLE_VALUE) {
            freopen("conout$", "w", stdout);
            setvbuf(stdout, NULL, _IONBF, 0);
        }
        if (consoleHandleIn != INVALID_HANDLE_VALUE) {
            freopen("conin$", "r", stdin);
            setvbuf(stdin, NULL, _IONBF, 0);
        }
        if (consoleHandleErr != INVALID_HANDLE_VALUE) {
            freopen("conout$", "w", stderr);
            setvbuf(stderr, NULL, _IONBF, 0);
        }
    }

    //Create a framebuffer
    auto framebuffer = CreateFramebuffer(window);

    //Create a world
    auto world = CreateWorld();

    auto camera = CreateCamera(world);
    camera->SetClearColor(0.125);
    camera->SetFov(70);
    camera->Move(0, 2, -8);
    camera->AddComponent<CameraControls>();


    //Create light
    auto light = CreateDirectionalLight(world);
    light->SetRotation(45, 35, 0);
    light->SetColor(2);

    auto render_target = CreateTextureBuffer(framebuffer->size.x, framebuffer->size.y);
    auto render_target_2 = CreateTextureBuffer(framebuffer->size.x, framebuffer->size.y);

    auto test_camera = CreateCamera(world);
    test_camera->SetRenderTarget(render_target);
    auto test_camera_2 = CreateCamera(world);
    test_camera_2->SetRenderTarget(render_target_2);
 
    camera->SetSweptCulling(true);

    world->RecordStats(true);

    int waterLevel = 20;

    shared_ptr<Entity> main_instance = CreateTerrain(world, 1024, 1024);

    auto sphere = CreateSphere(nullptr, 2.0, 32);

    vector<shared_ptr<Entity>> test_instances;

    bool set_position = true; //Set to false and it leads to a exception in the Physicsthread
    int step_size = 32; //Lower that and it will lead to invalid buffersize indices / size in vulkan

    //Main loop
    while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false)
    {
        

        test_camera->SetMatrix(camera->GetMatrix());
        test_camera->SetRange(camera->GetRange());
        test_camera_2->SetRotation(camera->GetRotation() * Vec3(-1.0, 1.0, -1.0));
        test_camera_2->SetPosition(camera->position.x, -camera->position.y + 2 * (waterLevel + 5.0), camera->position.z);
        test_camera_2->SetRange(camera->GetRange());

        test_instances.clear();

        for (int x = -512; x <= 512; x += step_size)
            for (int z = -512; z <= 512; z += step_size)
            {
                auto i = sphere->Instantiate(world);

                if(set_position)
                    i->SetPosition(x, 1.0, z);

                i->SetColor(Vec4(1.0, 0.0, 0.0, 1.0));
                test_instances.push_back(i);
            }


        world->Update();
        world->Render(framebuffer);

#ifdef STEAM_API_H
        Steamworks::Update();
#endif
        window->SetText("rt: " +String(world->renderstats.rendertime) + " MEM: " + String(PrintMemoryInfo() / 1024) + " kb");
    }

#ifdef STEAM_API_H
    Steamworks::Shutdown();
#endif

    return 0;
}

this is the interesting part for the multiple errors:

 bool set_position = true; //Set to false and it leads to a exception in the Physicsthread
 int step_size = 32; //Lower that and it will lead to invalid buffersize indices / size in vulkan

I hope you can resolve this as it breaks the in majority very fast  renderer.

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  • Windows 10 Pro 64-Bit-Version
  • NVIDIA Geforce 1080 TI
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That is interesting.  After about a minute the spheres vanish for 10 or so seconds too.  Near to two minutes they vanish again and the shadows do to.  Well on my end anyway.  Visual Studio shows RAM all over the place, it stabilizes for a bit but then climbs again.  :blink:

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16 hours ago, klepto2 said:

Having too many instances at the same position leads to an exception in the physicsthread

This is not surprising at all.

My job is to make tools you love, with the features you want, and performance you can't live without.

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The graphics update I am working on is already significantly faster than either of these versions. Let's pick this up again after it is out, and see where we are at then.

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My job is to make tools you love, with the features you want, and performance you can't live without.

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  • 3 weeks later...

That does seem to be a big reduction in performance just based on a single panel being visible. I'm going from 4000 to 400 FPS when the space key is hit, in debug mode.

I don't see the same change in release mode.

#include "UltraEngine.h"

using namespace UltraEngine;

shared_ptr<Window> window;
shared_ptr<Framebuffer> framebuffer;
shared_ptr<World> menuWold;
shared_ptr<Interface> ui;
shared_ptr<Camera> uiCamera;

shared_ptr<Widget> panel;
shared_ptr<Icon> icon1;
shared_ptr<Icon> icon2;

bool isFirst = true;

int main(int argc, const char* argv[])
{
    //Get the displays
    auto displays = GetDisplays();

    //Create a window
    window = CreateWindow("Ultra Engine", 0, 0, 1280, 720, displays[0], WINDOW_DEFAULT);

    //Create a world
    menuWold = CreateWorld();
    menuWold->RecordStats();

    //Create a framebuffer
    framebuffer = CreateFramebuffer(window);

    //Create light
    auto light = CreateBoxLight(menuWold);
    light->SetRange(-10, 10);
    light->SetRotation(15, 15, 0);
    light->SetColor(2);

    //Create camera
    auto camera = CreateCamera(menuWold);
    camera->SetClearColor(0.125);
    camera->SetPosition(0, 0, -3);
    camera->SetFov(70);    

    uiCamera = CreateCamera(menuWold, PROJECTION_ORTHOGRAPHIC);
    uiCamera->SetPosition((float)framebuffer->GetSize().x * 0.5f, (float)framebuffer->GetSize().y * 0.5f, 0);
    uiCamera->SetRenderLayers(2);
    uiCamera->SetClearMode(CLEAR_DEPTH);
    uiCamera->SetLighting(false);

    //Main loop
    while (window->Closed() == false and window->KeyDown(KEY_ESCAPE) == false)
    {
        if (window->KeyHit(KEY_SPACE))
        {
            if (not ui)
            {
                auto default_font = LoadFont("Fonts\\arial.ttf");
                ui = CreateInterface(menuWold, default_font, framebuffer->GetSize());
                ui->SetRenderLayers(2);
                ui->root->SetColor(0.0f, 0.0f, 0.0f, 0.0f);
                panel = CreatePanel(10, 50, 64, 64, ui->root, PANEL_DEFAULT);
                icon1 = LoadIcon("https://raw.githubusercontent.com/UltraEngine/Documentation/master/Assets/Icons/help.svg");
                panel->SetIcon(icon1);
            }
        }
        window->SetText("FPS: " + String(menuWold->renderstats.framerate));
        menuWold->Update();
        menuWold->Render(framebuffer, false);
    }
    return 0;
}

 

My job is to make tools you love, with the features you want, and performance you can't live without.

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  • Solution

Okay, this was being caused by all the Assert statements I had in the source. Constructing a WString from a const char apparently is pretty slow in debug builds. Once I removed that the change in framerate was more like 4000 -> 3000 in the debug build.

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My job is to make tools you love, with the features you want, and performance you can't live without.

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