DX11 FPS Limit Not Obeyed While Minimized

[nakomaru]

Date & Time: 2018-03-19 1PM JST (Originally noticed/reported 2017-07-12)
Frequency: Always
World name: Excalibur
Character name: Nakomaru Hanekawa
Retainer name: N/A
NPC name: N/A
Monster name: N/A
Class/Level: Any
Party or solo: Both
In-game time: Any
Area and coordinates: Any location
Housing: N/A

Steps:
1. Start the DX11 version of FFXIV in windowed mode.
2. Select 60, 30, or 15 fps limits.
3. Do not select any other limits such as reduced background limit or AFK limit.
At this point, the game properly runs at the selected limit, e.g. 30fps.
It also runs at the proper limit when it doesn't have focus.

4. Minimize the game.
At this point, the game will run at an uncapped FPS as fast as possible while minimized.

This bug does not exist in the DX9 version of the game.

Connection Specs
- Type of internet connection/provider: AU Hikari

■ PC Specs 

-=-=-=-=-=-=- System Information -=-=-=-=-=-=-

SYSTEM_OS	Windows 7 Ultimate 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_ldr_escrow.180308-1637)
SYSTEM_CPU	Intel(R) Core(TM) i7-4720HQ CPU @ 2.60GHz (8 CPUs), ~2.6GHz
SYSTEM_CORE_NUM	SYSTEM_CORE_LOGIC 8  SYSTEM_CORE_PHYSICS 4
SYSTEM_BIOS	InsydeH2O Version 03.73.069ECN43WW(V3.03)
SYSTEM_LANGUAGE	English (Regional Setting: English)
SYSTEM_MEMORY	16300.359MB
SYSTEM_VIRTUAL_MEMORY	8388607.875MB
SYSTEM_PAGE_FILE	16298.527MB
SYSTEM_STORAGE	C:\    SYSTEM_HARDDISK_DRIVE    SYSTEM_TOTALDISC_SPACE 465.662GB    SYSTEM_FREEDISC_SPACE 190.592GB
SYSTEM_STORAGE	Z:\    SYSTEM_NETWORK_DRIVE    SYSTEM_TOTALDISC_SPACE 4657.400GB    SYSTEM_FREEDISC_SPACE 4169.754GB
SYSTEM_DIRECTX_VERSION	DirectX 11
SYSTEM_GRAPHICS	Intel(R) HD Graphics 4600
SYSTEM_GRAPHICS_DEVICE	\\.\DISPLAY1
SYSTEM_GRAPHICS_CHIP	Intel(R) HD Graphics Family
SYSTEM_GRAPHICS_MAKER	Intel Corporation
SYSTEM_GRAPHICS_VRAM	4037.875 MB
SYSTEM_GRAPHICS_SHARED_VRAM	7894.180 MB
SYSTEM_GRAPHICS_DAC	Internal
SYSTEM_GRAPHICS_DISPLAY_MODE	1600 x 900 (32 bit) (60Hz)
SYSTEM_GRAPHICS_DRIVER	igdumdim64.dll,igd10iumd64.dll,igd10iumd64.dll,igdumdim32,igd10iumd32,igd10iumd32
SYSTEM_GRAPHICS_DRIVER_VERSION	10.18.0014.4414
SYSTEM_GRAPHICS_DRIVER_DATE	5/12/2016 9:03:22 PM
SYSTEM_GRAPHICS_DRIVER_LANGUAGE	English
3.0
SYSTEM_GRAPHICS_PIXEL_SHADER	3.0
SYSTEM_GRAPHICS_VERTEX_TEXTURE	SYSTEM_SUPPORT
SYSTEM_SOUND	Speakers (High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID	{AB70799A-D4DF-4209-9A27-38A0640B0170}
SYSTEM_SOUND_DEVICE_NAME	HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION	6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE	English
SYSTEM_SOUND_DRIVER_DATE	11/21/2010 12:23:47 PM
SYSTEM_SOUND	Digital Audio (S/PDIF) (High Definition Audio Device)
SYSTEM_SOUND_DEVICE_ID	{D67841CD-ACB3-42B9-8479-4F7FD0D0FE89}
SYSTEM_SOUND_DEVICE_NAME	HdAudio.sys
SYSTEM_SOUND_DRIVER_VERSION	6.01.7601.17514
SYSTEM_SOUND_DRIVER_LANGUAGE	English
SYSTEM_SOUND_DRIVER_DATE	11/21/2010 12:23:47 PM
SYSTEM_INPUT	{6F1D2B60-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME	Mouse
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 3  SYSTEM_GAMEPAD_BUTTON 8  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{6F1D2B61-D5A0-11CF-BFC7444553540000}
SYSTEM_INPUT_NAME	Keyboard
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 128  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{11048AE0-B6BE-11E5-8004444553540000}
SYSTEM_INPUT_NAME	USB Receiver
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 767  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{11B76020-B6BE-11E5-8005444553540000}
SYSTEM_INPUT_NAME	USB Receiver
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 3  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{12761C40-B6BE-11E5-8006444553540000}
SYSTEM_INPUT_NAME	USB Receiver
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{1FB623A0-B6BE-11E5-8007444553540000}
SYSTEM_INPUT_NAME	USB Receiver
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{207491A0-B6BE-11E5-8008444553540000}
SYSTEM_INPUT_NAME	USB Receiver
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0
SYSTEM_INPUT	{212718C0-B6BE-11E5-8009444553540000}
SYSTEM_INPUT_NAME	USB Receiver
SYSTEM_INPUT_REMARKS	SYSTEM_GAMEPAD_AXIS 0  SYSTEM_GAMEPAD_BUTTON 0  SYSTEM_GAMEPAD_FOV 0

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-

Laptop Model Name: Lenovo Y50-70 Laptop
Laptop Model Number: 59440654

Browser Information
- Name and version of the browser currently in-use: Chrome 66.0.3359.33

------------------------------------------------------

[nakomaru]

This is not a technical support issue. This is a longstanding yet ignored bug and it belongs in the bugs forum.

Just try it. Think of a way to measure the FPS while the game is minimized under the described settings. You will see it skyrockets beyond the set limit if your machine is capable, heavily loading the GPU. This happens on all 3 Windows 7 machines I've tested, and only in the DX11 version.

Here's what happens:





In case the images fail, the first image shows the in-game settings set to 15 FPS limit with neither AFK nor background reduction enabled.

The second image shows a graph of GPU usage, with ~7% GPU usage during a focused/unfocused period, and 25% GPU usage during a minimized period.

Due to the nature of this system, 25% actually represents 100% load for the discrete GPU. I can demonstrate this does not happen in DX9 if necessary.

[Einmimiria]

Thank you for bringing this to our attention.

This was likely moved here because it was deemed to be better suited here. We will pass along this information.

This thread will be moved to 'Closed Concerns.'

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