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Good PC, poor performance on HIGH IR, possible GPU problem
#1
Hello everyone, I'm new here. 

I'm trying to play ICO in pcsx2 but my fps drops drastically when playing on 5x IR and above. I know it's not quite a first world problem but I'm pretty sure my pc could handle it no problem since I've seen video on it running on much lower specs than mine at 60 fps (using the patch makes it even worse). Software mode runs fine (100+ fps most of the time), hardware mode runs very bad especially during cutscenes (it even go as low as 30 fps and the game becomes slow as fuc). That makes me think it's a GPU problem. If I play 3x without the 60 fps cheat it's pretty smooth, but when unlocking the framerate I still see an huge drop in frame on those moments anyway.

I want to play it on 4k so bad and I know I can, but I'm running out of options. I tried:

Enabling MTVU, speeding the ps2 clock by 30%, disabling the WS patch, disabling the recommended hack for ICO (half pixel offset), installing THE SAME build the guy on the video used (https://www.youtube.com/watch?v=JJVPn5uv...=emb_title). It still didn't solve the issue.
Any help would be greatly appreciated. 

MY SPECS

RTX 2060
I5 9600k
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#2
60 fps patch will be even more taxing since it'll render every frame twice
What you get is actually normal
CPU : I7 2600K Oc'ed @ 4.2Ghz
Mobo : Intel P67 southbridge
GPU : NVIDIA Geforce GTX 750 Ti
RAM : 6 Go
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#3
(03-14-2020, 01:28 AM)jesalvein Wrote: 60 fps patch will be even more taxing since it'll render every frame twice
What you get is actually normal
Yeah but that doesn't explain why the game is so slow even without it in some instances. I remember playing game in 4k IR with my GTX 660, I don't get why this should be harder
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#4
If ico is anything SoTC - my gtx 750 ti couldnt handle it at a full speed at 1080.. 3x was the best I could do with it.. Scaling is completely GPU dependent..

What does your CPU and GPU usage look like when you're seeing slowdowns?
amd tr 1950x                                                amd ryzen 5 2500u
asrock x399 taichi                                          amd vega 8 
XFX Radeon rx570                                         16gb ddr 4 2400 ram
32gb gskill ddr4-3200                                    256gb nvme ssd
Windows 10 Pro                                            480gb sata ssd
Custom loop water cooled                               HP envy x360
nzxt 340 case
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#5
(03-14-2020, 10:09 PM)scythefwd Wrote: If ico is anything SoTC - my gtx 750 ti couldnt handle it at a full speed at 1080.. 3x was the best I could do with it.. Scaling is completely GPU dependent..

What does your CPU and GPU usage look like when you're seeing slowdowns?
EE and GS on the top bar don't go often above 50% (GS I think is the graphic plugin?). GPU usage in the task bar is actually very high (80-90%). Is it its limit then?

I still don't know why it is so hard. Did PCSX2 become more GPU heavy with OpenGL? Is it more accurate since 4-5 years ago?
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#6
Of course it is. Or we would have seated our time.
CPU : I7 2600K Oc'ed @ 4.2Ghz
Mobo : Intel P67 southbridge
GPU : NVIDIA Geforce GTX 750 Ti
RAM : 6 Go
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#7
Yes, 80-90% is very high for your gpu usage.

Yes, its MUCH more accurate in OGL.. in graphics in general. They've been doing pretty much constant development work on Pcsx2 .. making it more accurate, etc since inception. And its much more demanding now than it used to be.. but it's a better emulation.

Drop your internal resolution to 3x and see if you experience the same issues..
amd tr 1950x                                                amd ryzen 5 2500u
asrock x399 taichi                                          amd vega 8 
XFX Radeon rx570                                         16gb ddr 4 2400 ram
32gb gskill ddr4-3200                                    256gb nvme ssd
Windows 10 Pro                                            480gb sata ssd
Custom loop water cooled                               HP envy x360
nzxt 340 case
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