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Emulator Issues #5327

closed

Muramasa: The Demon Blade - Bad performance on save/load menu

Added by TanukiTanuki13 over 12 years ago.

Status:
Won't fix
Priority:
Normal
Assignee:
-
% Done:

0%

Operating system:
N/A
Issue type:
Bug
Milestone:
Regression:
No
Relates to usability:
No
Relates to performance:
Yes
Easy:
No
Relates to maintainability:
No
Regression start:
Fixed in:

Description

RSFE7U Muramasa: The Demon Blade

I broke this out from issue 5320 for sanity reasons.

The game has a big drop in performance when the load/save screen is displayed. The game zooms in and the animations freeze while saving so if anything the FPS should most likely be increasing.

I checked previous versions of Dolphin and found that DX9 and DX11 used to have the FPS increase during saving/loading while OpenGL has always had a drastic drop in FPS during saving/loading.

I chased down the version where the FPS first changed from increasing to decreasing as r7625.

I kept all settings the same and disabled the frame-limiter, audio throttle, and vsync to get these FPS values.

In-Game
http://imageshack.us/photo/my-images/860/rsfe7u4.jpg/

In-Game Load/Save
http://imageshack.us/photo/my-images/208/rsfe7u5.jpg/

SVN R 6497 (Increases)
DX9
Game - 220
Loading - 260
DX11
Game - 209
Loading - 242
OpenGL
Game - 178
Loading - 52

r7623 (Increases)
DX9
Game - 185
Loading - 219
DX11
Game - 180
Loading - 200
OpenGL
Game - 127
Loading - 39

r7625 (Decreases)
DX9
Game - 186
Loading - 91
DX11
Game - 179
Loading - 74
OpenGL
Game - 126
Loading - 29

578 (Decreases)
DX9
Game - 160
Loading - 75
DX11
Game - 135
Loading - 73
OpenGL
Game - 89
Loading - 25

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