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S7: interpreter and JIT Recompiler giving same speed..?
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S7: interpreter and JIT Recompiler giving same speed..?
09-12-2016, 12:47 AM
#1
mashakos Offline
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Posts: 39
Threads: 8
Joined: May 2012
I'm a pretty experienced user of Dolphin but this one has me baffled.

Using Dolphin master build 5.0-585 apk

Knowing that an emulator like Dolphin needs every ounce of CPU performance available on Android, I went ahead and set up a CPU governor to have my Samsung S7 running at 2.6Ghz, with two cores disabled. For reference: core 1 & 2 enabled and overclocked, cores 3 & 4 disabled. 

This has worked wonderfully for PPSSPP, it is really taking advantage of the extra speed. Dolphin on the other hand... slow. 

What is stranger however, is that the JIT dynarec and the interpreter run at the same speed!

What is even stranger: setting CPU clocks back to stock (usually around 1.5GHz from Samsung's stock profile) does not result in more slowdowns (!) 
The emulator is just stuck at 4-15fps no matter what speed the CPU is running at.

I figured out that you have to press the back button after changing settings for Dolphin to save them to the ini, so it is not an issue of my settings not being saved either.

I've been researching, found mention of the iCache bug. Tried the workaround mentioned elsewhere (start a game in interpreter, exit out as soon as gfx/audio starts, set CPU to dynarec, start game again.) but no luck. 

What am I missing?
Operating System: windows 7 Ultimate 64-bit
Processor/CPU: intel core i7 3930k @ 4.5Ghz
Video Card/GPU: nvidia GTX580
Memory/RAM: 16gb G.skill RipjawsZ @ 1866Mhz
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Messages In This Thread
S7: interpreter and JIT Recompiler giving same speed..? - mashakos - 09-12-2016, 12:47 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - zxcvbad - 09-12-2016, 01:23 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - mashakos - 09-12-2016, 04:03 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - jamster - 09-12-2016, 04:06 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - zxcvbad - 09-12-2016, 04:19 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - JosJuice - 09-12-2016, 04:09 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - mashakos - 09-12-2016, 04:30 AM
RE: S7: interpreter and JIT Recompiler giving same speed..? - mashakos - 09-12-2016, 05:30 AM

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