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Frame drops inside the Inventory / Mouse movement
Assigned, NormalPublic


I've massive frame drops when I'm inside the inventory menu or in the main menu and move the mouse for time of 5 seconds without a stop. The frames go's to zero and the sound stops. It's only inside the menus. When you stop the mouse, everything it's normal.

I've found a "solution" for it. It seems that the sample rate (not DPI) from my mouse is too high (1000 signals/sec)


Operating System
Windows 7
Steps To Reproduce

Move mouse inside the inventory or in the main menu.

set the sample rate of the mouse over 250 signals/sec

Additional Information

Mouse: Logitech G502 and Sharkoon FireGlider
CPU: i5-4570 3,2 GHz
GFX: AMD Radeon R9 270X

Event Timeline

Merce created this task.Feb 6 2017, 10:41 PM
Merce renamed this task from Frame drops inside the Inventory to Frame drops inside the Inventory / Mouse movement.
Merce updated the task description. (Show Details)Feb 6 2017, 10:49 PM
Merce updated the task description. (Show Details)Feb 6 2017, 11:23 PM
Merce edited Steps To Reproduce. (Show Details)
Geez changed the task status from New to Need More Info.Feb 7 2017, 9:59 AM
Geez added a subscriber: Geez.

Hello Merce and thank you for the report.
Would it be possible for you to send us a dxdiag file from your computer? The upload button can be found on the bar at the top of the comment window. Also, can you check the cpu usage with the 1000signals/sec rate in the menu and let us know if the values are any different from using other sample rates?

Merce added a comment.EditedFeb 7 2017, 11:13 PM

Hello Geez,

attached you find the dxdiag file and a CPU monitoring (CPU1-CPU4) in desktop mode and in-game. (window mode). In-game the monitoring was made only in the main menu, but with the same negative effects.

Desktop 250 signals/sec

Desktop 1000 signals/sec

In-game 250 signals/sec

In-game 1000 signals/sec

It's interesting that the cpu usage is decrease at 1000 signals/sec in the in-game monitoring.
The monitoring was made with the software "MSI Afterburner".

Merce updated the task description. (Show Details)Feb 8 2017, 12:25 AM
Geez added a comment.Feb 10 2017, 11:18 AM

Thank you Merce.
Can you try to uninstall the mouse drivers and install the latest version and let us know if the issue still persists? Also, if you have drivers for both of the mouses listed installed at the same time, can you try uninstalling one of those drivers? And if the issue still persists, can you let us know if the issue occurs on both 32bit and 64bit executables, stable and experimental version and if you are experiencing similar issues in other games?

Hallo Geez,

I've test it again with no changes on drivers, only with the new patches on stable. It seems that the problem was resolved with the patch 0.61.137720 . With all newer patches the signal rate as no appreciable influence on performance.


Geez changed the task status from Need More Info to Assigned.Feb 23 2017, 11:18 AM

Hello Merce.
Glad to hear that the issue no longer occurs. In that case I am going to close the ticket, but feel free to submit another one in case you run into any issues or the issue re-appears.