PyTorch
API: optimizer.zero_grad
Strategy: Direct Mapping
JAX (Core)
API: optimizer_zero_grad
Strategy: Plugin (optimizer_zero_grad)
Apple MLX
API: optimizer_zero_grad
Strategy: Plugin (mlx_zero_grad)
Flax NNX
API: —
Strategy: Plugin (optimizer_zero_grad)
PaxML / Praxis
API: —
Strategy: Plugin (optimizer_zero_grad)