DiRT Rally
Above 4G Decoding on/off
"The definition of “Above 4G decoding” is to allow the user to enable or disable memory mapped I/O for a 64-bit PCIe device to 4GB or greater address space. "
Distro: Arch Linux
Kernel: 5.9.1-zen2-1-zen
GPU Driver: 4.6 Mesa 20.2.1
GPU: Radeon RX Vega 56/64
CPU: AMD Ryzen 5 3600 6-Core Processor
RAM: 16 GB
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| Color | Name | 1% Min | Avg | 97th percentile | Avg % vs Disabled |
|---|---|---|---|---|---|
| Disabled | 94 | 121 | 161 | 100.0 % | |
| Enabled | 93 | 119 | 161 | 98.35 % |