dragonpilot/tinygrad_repo/docs/runtime.md

Runtimes

tinygrad supports various runtimes, enabling your code to scale across a wide range of devices. The default runtime can be automatically selected based on the available hardware, or you can force a specific runtime to be default using environment variables (e.g., CLANG=1).

Runtime	Description	Requirements
NV	Provides acceleration for NVIDIA GPUs	Ampere/Ada series GPUs
AMD	Provides acceleration for AMD GPUs	RDNA2/RDNA3 series GPUs
QCOM	Provides acceleration for QCOM GPUs	6xx series GPUs
METAL	Utilizes Metal for acceleration on Apple devices	M1+ Macs; Metal 3.0+ for bfloat support
CUDA	Utilizes CUDA for acceleration on NVIDIA GPUs	NVIDIA GPU with CUDA support
GPU (OpenCL)	Accelerates computations using OpenCL on GPUs	OpenCL 2.0 compatible device
CLANG (C Code)	Runs on CPU using the clang compiler	clang compiler in system PATH
LLVM	Runs on CPU using the LLVM compiler infrastructure	llvmlite package installed