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Gaming and mouse response BIOS optimization guide for modern PC hardware - Page 286

post #2851 of 3536
Quote:
Originally Posted by VolsAndJezuz View Post

First of all, just don't bother with DPC latency checker because it no longer really works properly with modern OS'es. LatencyMon replaces its functionality and some.
I can still get as low as 1us at CPU idle in DPC latency checker in windows 10 if I disable things in device manager. Namely if you disable your display adapter driver most of the periodic latency spiking issues disappear. The real problem is the OS changes themselves that took place after XP to GDI and direct X or the display drivers have changed for the worse. Just moving your mouse or using your keyboard to open and close the windows menu will cause DPC latency spiking and in nvidia inspector you can see that it triggers power state changes from P8 idle to P0 3D clock speeds.

From what I hear GPU boost in Nvidia bios is also a cause of some latency spiking. If you force power saving power states with Nvidia Inspector latency gets a bit worse too so seems like it's likely accurate. It's the same reason people disable c-states to minimize latency basically. TimerTool program can help minimize typical spiking severity if you modify timer to set timer to 0.5 ms. I went from around 1000us periodic spiking from light CPU load even from minor stuff like mouse/keyboard usage down to around 500us. It's a nice improvement and can be setup to run sent to system tray at startup with a registry tweak or bat file as well.

I can't fault DPC Latency Checker for any of those things and while LatencyMon is a good tool in it's own right and in some ways more informative it's not reporting any better latency results yet no one claims that is broken. Disabling other things can help too like network adapters and USB devices. Some people recommend turning off power saving features.

As far as HPET is concerned from what I've read about it's a crap shoot mix bag of results scenario where basically you can't have your cake and eat it too. For some tasks it will help and for others it will hurt essentially is how I interpreted how the differing timers work. It's kind of similar to adjust best performance of program or background services you can't have both ways and depending on the scenario one or the other is more ideal.
post #2852 of 3536
is it possible to rename a driver to something higher? I wouldnt mind using older versions, but newer games wont let you play.
post #2853 of 3536
pox02 what do u think about ASUS Maximus VII Ranger 1150 with 4790k
I want to buy this plate soon. this motherboard like urs ASUS Maximus VII Gene right?)
same dpc results?!
and i still want stable Mouse polling rate on this rig
if u know!? mb not) what bios i should install on this motherboard?which is better?
Edited by IAMSTERDAM - 5/28/16 at 2:19am
post #2854 of 3536
Quote:
Originally Posted by IAMSTERDAM View Post

pox02 what do u think about ASUS Maximus VII Ranger 1150 with 4790k
I want to buy this plate soon. this motherboard like urs ASUS Maximus VII Gene right?)
same dpc results?!
and i still want stable Mouse polling rate on this rig
if u know!? mb not) what bios i should install on this motherboard?which is better?

i never tested the ranger but from what i see the are the same features but they differents bios you need found your best bios
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my baby
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CPUMotherboardGraphicsRAM
i7 4790k asus maximus vii gene Bios 2801 HD 7950 G.skill 1333mhz 8gb 
Hard DriveOptical DriveCoolingOS
Kingston V300 2x On RAID0 none Antec h2o 1250 Win 7 X64 Home Basic 
MonitorKeyboardPowerCase
XL2720Z V4 AMA LOW 1280X1024 Qpad MK-50 Antec EarthWatts Platinum 750W  fractal design define s  
MouseMouse PadAudioOther
Gigabyte XM300 Artisan Shidenkai Orange SB0880 XIFI solarflare sfn7122f 
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post #2855 of 3536


Reminder you don't have to turn off all power-saving options in BIOS to get decent latency.
This is with C-States, HPET, Turbo Boost all enabled.
post #2856 of 3536
AndiWandi to you have something like your 5 best tips to achieve this?
post #2857 of 3536
Guys I didn't notice this device before, what is it for? Is this effec latency?



Is this came with new bios or windows update not sure. I only added to system NZXT HUE+ - Didn't change anything.
Edited by DJ_OXyGeNe_8 - 6/1/16 at 1:35am
post #2858 of 3536
Quote:
Originally Posted by softskiller View Post

AndiWandi to you have something like your 5 best tips to achieve this?
I'm not going to lie, most of what constitutes a good latency is probably related to how good the BIOS on your board is. I suppose it doesn't hurt keeping it up to date.

Now, as far as the tweaks in this thread go (bear in mind I have not scientifically tested their impact on latency), I used the following:

BIOS options disabled:

- Integrated Audio
- Virtualization
- USB Legacy Support
- both USB Handoff options

Device Manager settings:

- disabled USB 3.0 controllers I don't use
- applied MSI mode to all devices that support it
- disabled NVIDIA High Definition Audio

I also run a pretty barebones setup on my services. See picture.


Also, this was on the latest Nvidia driver set. I used to get DPC spikes on earlier ones, but it looks like they fixed that. Oh yeah, and I usually install Driver, PhysX, Audio only.
Edited by AndiWandi - 6/1/16 at 1:24pm
post #2859 of 3536
Any new imba latency tweaks? disconnect cpucooler?
post #2860 of 3536
Quote:
Originally Posted by PurpleChef View Post

Any new imba latency tweaks? disconnect cpucooler?

Whatever you do, don't disconnect your brain. Oh, wait...
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Gud
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CPUMotherboardGraphicsRAM
Xeon E3-1240 v3 ASRock H87 Pro4 Sapphire HD 7970 GHz Vapor-X (comes w/ free noise) KHX1866C9D3 
Hard DriveCoolingOSMonitor
Samsung 840 Pro Noctua NH-D14 Windows 7 Home Basic Asus VN279QLB 
KeyboardPowerCaseMouse
Ozone Strike Battle (Browns) Corsair CS750M Antec P280 Logitech G100s 
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Razer Goliathus Speed (old version) Creative SB X-Fi Fatal1ty 
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