GTR2 and Core and Thread Configuration

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tl;dr

  • Give E-cores a try(!)
  • Assigning hyper-threading cores perform better than single-threading cores
250815

DTM 2018 BMW 20 AI 120% Dry 1pm at Lusail

12700KF:

1 P-Core: 0x1

2 P-Core: 0x5

3 P-Core: 0x15

4 P-Core: 0x55

5 P-Core: 0x155

6 P-Core: 0x555

7 P-Core: 0x1555

8 P-Core aka Real non-HT P-Cores: 0x5555

^ 1x CPU 95%+, 80%+

All HT P-Cores: 0xFFFF

^ 2x Cores 90%+, 5-10% headroom available

CCGEP All Cores: 0x0

^ 2x Cores 90%+
^ 225-280fps

All E-Cores: 0xF0000

^ 2x P-Cores 50%, 4x E-cores 50%. Surprisingly evenly distributed.
^ 150-220fps

Confirmed E-cores more even distribution with Vanilla (Lambo at Donington 20 AI Dry 1pm)
- E-cores 200fps to 425fps
- ST P-cores 291-890fps
- HT P-cores 300-755fps
- ST and HT P-cores were probably the same, difficult to be sure just eyeballing it

CCGEP with E-cores:
- physicsOfflinePlayerMode enabled cannot maintain 120fps (drops to 80fps) while disabled can
  - physicsDecoupledBusyWait disabled is better but still drops to 100 at times

CCGEP with P-cores:
- physicsOfflinePlayerMode enabled can maintain 120fps for me