feat: add cpu rng (#977)

examples/cli/README.md

@@ -94,7 +94,7 @@ Options:
   -M, --mode                               run mode, one of [img_gen, vid_gen, upscale, convert], default: img_gen
   --type                                   weight type (examples: f32, f16, q4_0, q4_1, q5_0, q5_1, q8_0, q2_K, q3_K, q4_K). If not specified, the default is the
                                            type of the weight file
-  --rng                                    RNG, one of [std_default, cuda], default: cuda
+  --rng                                    RNG, one of [std_default, cuda, cpu], default: cuda(sd-webui), cpu(comfyui)
   -s, --seed                               RNG seed (default: 42, use random seed for < 0)
   --sampling-method                        sampling method, one of [euler, euler_a, heun, dpm2, dpm++2s_a, dpm++2m, dpm++2mv2, ipndm, ipndm_v, lcm, ddim_trailing,
                                            tcd] (default: euler for Flux/SD3/Wan, euler_a otherwise)

examples/cli/main.cpp

@@ -1124,7 +1124,7 @@ void parse_args(int argc, const char** argv, SDParams& params) {
          on_type_arg},
         {"",
          "--rng",
-         "RNG, one of [std_default, cuda], default: cuda",
+         "RNG, one of [std_default, cuda, cpu], default: cuda(sd-webui), cpu(comfyui)",
          on_rng_arg},
         {"-s",
          "--seed",