Jump to content
Sign in to follow this  
twojastara

My experience switching from 4 to 6 cores (P3D v4.1)

Recommended Posts

This summer I want to upgrade my 5820K  6 core processor running at 4.3 GHz.

A 8700 6 core processor might run at 4.7-4.8 Ghz in my system ( triple view which is more taxing ) .

However , Rob A has a very good experience with his 10 core 7900 x processor compared to his former 5960 , which is the same series as mine.

The larger the L2 + L3 cache the higher the framerate as it seems.  


Gerard

7940x ( 14 cores ) : 14 cores @ 4.7 - Gigabyte X299 Gaming 7 - 32 Gb G.Skill Trident Z 3200Mhz Cl 14 - Inno3D RTX3090 X4 iCHILL 24 Gb - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - Thermaltake Level 10 GT case - EKWB Extreme 240 liquid cooling set push/pull - 2x 43” Sony 4K tv's in NVSurround

8700K : all 6 cores @ 5.0 GHz - Asus ROG 370 - 16 Gb 4000 MHz @ 3600 Mhz - Inno3D RTX 3090 X3 iCHILL 24 Gb  - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - 1x 55” Sony 4K tv

My flightsim vids :  https://www.youtube.com/user/fswidesim/videos?shelf_id=0&sort=dd&view=0

 

Share this post


Link to post
On 1/30/2018 at 0:34 PM, tooting said:

You never know dave, that CRJ of yours might even fly straight on a 6 cores. giphy.gif

:laugh::laugh:


-John

Milviz Dev Team (posts are of my own opinion)

Share this post


Link to post
On 1/30/2018 at 7:23 PM, twojastara said:

In both cases HT was off. No affinity mask.

Try with HT and AM 4052.

The benefit of two additional cores is that you can give the main P3D job and add-ons some breathing space. 

Lets look at the attached picture from my current flight with FSLabs A320 and zoom to the Task Manager. Yellow-marked logical cores provide that breathing space. Notice, that the main P3D core is not completely used, which is some achievement with FSLabs. Without the affinity mask, the main P3D thread would take 100% of the first core. In my setup, masking-out the first physical core increased FPS with FSLabs by 20%. The reason for skipping the 6th logical core is this - when you combine threads of red and blue cores to one physical core (e.g. with AM 4084), the main P3D thread that runs on the red core will be throttled by the blue texture-loading thread. And why HT on? Look at the last six cores – they all work very hard to load those textures and they do it well, because this is a kind of task where HT technology is very efficient.

AF4052.jpg?dl=1


Roman Heriban
Prepar3D v4 | Windows 10 | 1080Ti & 8700K at 4800MHz
FSLabs A320, Active Sky + Sky Force 3D, MCE, PF3, ChasePlane, etc.

sbsim.com

Share this post


Link to post
1 hour ago, GSalden said:

 

The larger the L2 + L3 cache the higher the framerate as it seems.  

Ok have no 7900, have a7920  and testing a 7980xe 

I have not seen big diff to a 7700k/5.2ghz compared  to a 5ghz  7920x or the 7980xe /4.8ghz

The 7700k was the fastest then 7920x and last the 7980xe when it mesure the framrate all inside 2% difference

Keep in mind that the 7980XE has a lot of cash 

 

 

Share this post


Link to post

The moment I disabled HT and left out the AM , my terrain cores activity dropped a lot and the blurries I experienced near Frankfurt ( FTX Germany + AS Frankfurt + Heavy weather from ASP4 ) were gone ....

My core 0 during FS is 97-98% .. 

I always used HT + AM up to V4.0 , but V4.1 is better of with all 6 cores on my system ...


Gerard

7940x ( 14 cores ) : 14 cores @ 4.7 - Gigabyte X299 Gaming 7 - 32 Gb G.Skill Trident Z 3200Mhz Cl 14 - Inno3D RTX3090 X4 iCHILL 24 Gb - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - Thermaltake Level 10 GT case - EKWB Extreme 240 liquid cooling set push/pull - 2x 43” Sony 4K tv's in NVSurround

8700K : all 6 cores @ 5.0 GHz - Asus ROG 370 - 16 Gb 4000 MHz @ 3600 Mhz - Inno3D RTX 3090 X3 iCHILL 24 Gb  - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - 1x 55” Sony 4K tv

My flightsim vids :  https://www.youtube.com/user/fswidesim/videos?shelf_id=0&sort=dd&view=0

 

Share this post


Link to post
1 hour ago, westman said:

Ok have no 7900, have a7920  and testing a 7980xe 

I have not seen big diff to a 7700k/5.2ghz compared  to a 5ghz  7920x or the 7980xe /4.8ghz

The 7700k was the fastest then 7920x and last the 7980xe when it mesure the framrate all inside 2% difference3

Keep in mind that the 7980XE has a lot of cash 

 

 

Thanks Hasse.

The 7980 XE looks great , but it costs a lot ... 

I have a triple view real size cockpit with the server running P3D and several Prosim and cockpit modules.

All other Prosim modules , AS + ASCA + PSXseeconTraffic on a cliënt pc. 

I am curious about your 7970 XE findings and If it would be the processor for my triple view setup.


Gerard

7940x ( 14 cores ) : 14 cores @ 4.7 - Gigabyte X299 Gaming 7 - 32 Gb G.Skill Trident Z 3200Mhz Cl 14 - Inno3D RTX3090 X4 iCHILL 24 Gb - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - Thermaltake Level 10 GT case - EKWB Extreme 240 liquid cooling set push/pull - 2x 43” Sony 4K tv's in NVSurround

8700K : all 6 cores @ 5.0 GHz - Asus ROG 370 - 16 Gb 4000 MHz @ 3600 Mhz - Inno3D RTX 3090 X3 iCHILL 24 Gb  - 1x SSD M2 1800/1800 2TB - 2x  Sata 600 SSD 500 Mb - 1x 55” Sony 4K tv

My flightsim vids :  https://www.youtube.com/user/fswidesim/videos?shelf_id=0&sort=dd&view=0

 

Share this post


Link to post

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
Sign in to follow this  
  • Tom Allensworth,
    Founder of AVSIM Online


  • Flight Simulation's Premier Resource!

    AVSIM is a free service to the flight simulation community. AVSIM is staffed completely by volunteers and all funds donated to AVSIM go directly back to supporting the community. Your donation here helps to pay our bandwidth costs, emergency funding, and other general costs that crop up from time to time. Thank you for your support!

    Click here for more information and to see all donations year to date.
  • Donation Goals

    AVSIM's 2020 Fundraising Goal

    Donate to our annual general fundraising goal. This donation keeps our doors open and providing you service 24 x 7 x 365. Your donation here helps to pay our bandwidth costs, emergency funding, and other general costs that crop up from time to time. We reset this goal every new year for the following year's goal.


    53%
    $13,405.00 of $25,000.00 Donate Now
×
×
  • Create New...