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NVIDIA DLSS DLL version - future feature in GPU-Z

izy

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Same here , blank window after scan ends.
 
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Solaris17

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W1zzard

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New build with several fixes for the DLSS scanner, please test and feedback
 

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tabascosauz

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New build with several fixes for the DLSS scanner, please test and feedback

Works like a charm, even found the collection of .dlls I had in my dropbox back when I was swapping between games

gpuz dlss.png
 
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1660903830596.png


Works much better
 

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Running on my Windows 11 Pro 22H2 "Insiders" build, Alder Lake CPU, RTX 3070 GPU...

Yup, seems to work, found Microsoft's Minecraft, as well as Death Stranding and DOOM Eternal.

HOWEVER, both Task Manager and Process Hacker report significant (multi-MB/s) disk WRITE activity while this "scan" is proceeding... this activity stops instantly if I kill the DLSS scan.

Comments and/or confirmations?
 
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W1zzard

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HOWEVER, both Task Manager and Process Hacker report significant (multi-MB/s) disk WRITE activity while this "scan" is proceeding... this activity stops instantly if I kill the DLSS scan.

Comments and/or confirmations?
It shouldn't be writing anything, it goes through all files in all directories and checks if the filename is "nvngx_dlss.dll"

Can you reproduce? anyone else?
 

izy

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It shouldn't be writing anything, it goes through all files in all directories and checks if the filename is "nvngx_dlss.dll"

Can you reproduce? anyone else?
Yes , he is right , disk writes spike up to 20MB/s each second or so while scanning.

1660935906545.png

Edit: i saw even 30MB/s.
 

W1zzard

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Confirmed, very strange, I'm not writing anything, you can check with Process Monitor

edit: When you use Resource Monitor you can see that GPU-Z isn't writing anything, but "System" is writing to the Master File Table on the disk, which suggests to me that NTFS is updating some kind of "last file access" data
 
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izy

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Confirmed, very strange, I'm not writing anything, you can check with Process Monitor

edit: When you use Resource Monitor you can see that GPU-Z isn't writing anything, but "System" is writing to the Master File Table on the disk, which suggests to me that NTFS is updating some kind of "last file access" data
I did a normal windows search and it seems that is the normal behavior while searching, its doing the same thing.
 
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I am inclined to agree with W1zzard's theory on the "last access" thing... I ran my own app that walks the entire file tree, and see the same thing.

So, likely nothing all that weird going on. :)
 

izy

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I used another app (FileSeek , it helps me find stuff faster in files) and task manager reports disk writes same as gpu-z dlss search or native windows search. (maybe it has something to do with windows indexing? i am on windows 10)
 

W1zzard

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New build with improved file&directory access, runs quite a bit faster on SSDs
 

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izy

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New build with improved file&directory access, runs quite a bit faster on SSDs
Now disk writes are in bursts of 100MB/s+ on SSDs and yes its faster.
EDIT: I think maybe its a good idea to have an option for selecting the directory / partition / disk to search in. (many people are not installing any games in the windows partition / drive)
 
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In case this is still of interest...

I recalled that this aspect of NTFS may be enabled or disabled (for performance considerations).

I pretty good tutorial on the subject may be seen at

Enable or Disable NTFS Last Access Time Stamp Updates in Windows 10 | Tutorials (tenforums.com)

Two observations on this:

1) if you set this to "User Managed ... Disabled", then these updates will stay OFF - if you use "System Managed ... Disabled", then any change to this setting will be reverted at the next boot

2) My Win 11 told me that "
This operation takes effect immediately (no reboot required)
"

... so apparently this is a bit easier to use than previously.

And yes, things go very fast, with ZERO writes happening during the scan. ;)
 

W1zzard

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This latest build shouldn't change the access times, not sure why there's still disk write activity, seems to be just the way Windows works
 
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GPU-Z 2.46.6 is considerably faster than the previous version - thanks
 
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Techspot posted about the new GPU-Z DLSS check function for their download of the week posting.

 
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Switching GPUZ to DLSS will cause high hard disk usage and take some time when scanning. I wonder if GPUZ can ask whether to scan before starting the scan.

I think GPUZ can't find games with DLSS support when It can prompt the user that the game that supports DLSS is not found (just like switching to the DX12 column on a card that does not support DX12 will also prompt GPUZ), which is better than GPUZ showing a blank window when no game that supports DLSS is found. Users can better understand scan results
 
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Yeah i dont think this is a great idea either, it'll cause disk activity on potentially really slow or busy drives and could set people off from a security perspective
 

izy

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Maybe its a good idea to have a database with games that are supporting DLSS and check first if user has any of those games installed and if it does to check the DLSS version from the installed directory of the game (or scan only that game directory for the file), scanning all computer and high disk usage its kinda not practical or as i posted before it could been nice to have an option to select the directory where you want to scan (like your game directory , steam library etc.)
Edit: It can be a problem maybe with cracked games that are not in the registered as installed app but you can have that DLSS database + selected drive / folder scan ... just an idea:)
 
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