eml-stable-diffusion-v1-4_original_compiled --compute-units all "a photo of an astronaut riding a horse on mars"
You have to specify in --resource-path one of the checkpoints downloaded in the previous step, so please make sure it contains compiled Core ML bundles with the extension .mlmodelc. The --compute-units has to be one of these values: all, cpuOnly, cpuAndGPU, cpuAndNeuralEngine.
For more details, please refer to the instructions in App