A new JAX-based gyrokinetic code achieves statistical parity with the legacy GKW solver, delivers substantial speedup on GPUs, and enables ML workflows via automatic differentiation.
Each packed spectral element is read from HBM exactly once; the callback returns the fully processed value directly to cuFFT’s butterfly registers
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gyaradax: Local Gyrokinetics JAX Code
A new JAX-based gyrokinetic code achieves statistical parity with the legacy GKW solver, delivers substantial speedup on GPUs, and enables ML workflows via automatic differentiation.