CHORDS accelerates diffusion sampling by running hierarchical ODE solvers on multiple cores, with slower solvers rectifying faster ones, achieving up to 2.9x speedup without retraining.
A multigrid method for multiprocessors
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CHORDS: Diffusion Sampling Accelerator with Multi-core Hierarchical ODE Solvers
CHORDS accelerates diffusion sampling by running hierarchical ODE solvers on multiple cores, with slower solvers rectifying faster ones, achieving up to 2.9x speedup without retraining.