Build time execution very slow - Rider + Unreal engine 5.3

[Urella (Urella Urion)]

Hello,
I hope that I’m writing in the right section

I’ve started using rider with Unreal engine and the build time of my game is super slow.
Here is a part of the log of my most recent build :
Determining max actions to execute in parallel (12 physical cores, 20 logical cores)
0> Executing up to 12 processes, one per physical core
0> Requested 1.5 GB memory per action, 3.31 GB available: limiting max parallel actions to 2
0>------ Building 11 action(s) started ------
(…)
0>Total time in Parallel executor: 592.46 seconds
0>Total execution time: 593.53 seconds

And here is my computer specification :
Processor : 12th Gen Intel(R) Core™ i7-12700k (20CPUs), 3.6GHZ
RAM : 16384MB
Graphic card : NVIDIA GeForce RTX 3070 16GB
My rider and Unreal Engine are in a SSD and my project folder in a HDD.

Is my spec too low to build fast ?
Is there something I can do to speed up my build time ?

Thanks a lot in advance,

[Extrone (Arjun Subhash)]

limiting max parallel actions to 2

The number of CPU cores used for build is being limited to only 2 even though it can be up to 12. This limit is being caused by insufficient RAM.

Requested 1.5 GB memory per action, 3.31 GB available

You need 1.5 GB of RAM per Core. Since you only had 3.31 GB free when you were building, the build could only use 2 Cores. That’s why it’s slow.
You’ll need at least 18 GB of Free RAM to use all 12 Cores.

You could try freeing up more RAM by closing other programs to make it build faster.