Z-Image-Turbo on x86 (generic&blas) generates random color mosaics only

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martin-frbg

AMD Ryzen AI 9 365, installed huggingface_hub python package and downloaded model as per instructions in the README. No error message, but the output image is a mosaic of colored squares, no matter the size or other options. (flux-klein works and I'm looking into improving the automatic thread count assignment in OpenBLAS) ``` ./iris -d zimage-turbo -p "a fish" --power -o fish.png BLAS: OpenBLAS | HASWELL | 20 threads / 20 procs OpenBLAS 0.3.31.dev NO_AFFINITY USE_OPENMP HASWELL MAX_THREADS=20 Seed: 1771424285 Loading VAE... done (0.1s) Model: Z-Image-Turbo-6B v1.0 (zimage, 9 steps, guidance 0.0) Loading Qwen3 encoder... done (0.6s) Encoding text... done (11.9s) Loading Z-Image transformer... done (0.0s) Denoising (d=double block, s=single blocks, F=final): Step 1/9 ddddssssssF Step 2/9 ddddssssssF Step 3/9 ddddssssssF Step 4/9 ddddssssssF Step 5/9 ddddssssssF Step 6/9 ddddssssssF Step 7/9 ddddssssssF Step 8/9 ddddssssssF Step 9/9 ddddssssssF Decoding image... done (3.4s) Saving... fish.png 256x256 (0.0s) Total generation time: 151.9 seconds ``` <img width="256" height="256" alt="Image" src="https://github.com/user-attachments/assets/c3ed83e8-9e57-4016-b6af-3003cd71ec36" />

Comments

ashimokawa

similar setup, different OpenBLAS, Linux, same problem. It's not only you ``` BLAS: OpenBLAS | Zen | 16 threads / 16 procs OpenBLAS 0.3.29 NO_LAPACKE DYNAMIC_ARCH NO_AFFINITY Zen MAX_THREADS=128 Seed: 1771436335 ```

spuvr

which model ?

martin-frbg

See the command line in the quoted part of my first post please - this is with the sample command from the README.md (except for the `--power` , but I tried all documented options to no avail)