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[WDDM Mode] --> Kernel runs for > 2 seconds --> Windows TDR triggers --> Job Crashes ❌ [TCC Mode] --> Kernel runs indefinitely --> Direct execution --> Job Completes Successfully tcc wddm better
nvidia-smi -g 0 -dm 1 Use code with caution. To change a specific GPU back to WDDM mode: nvidia-smi -g 0 -dm 0 Use code with caution. [WDDM Mode] --> Kernel runs for > 2
WDDM pages GPU memory in and out of system RAM, treating GPU VRAM like virtual memory. This leads to unpredictable performance spikes and memory fragmentation. For large datasets that should remain on the GPU (neural network weights, particle buffers), paging is disastrous. paging is disastrous.