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Spectral Inference on Diffusion-model random-feature matrix

32.2Process Time (sec)Direct eigendecomposition
-7,664.4244,287.76596,239.95148,192.135May 5, 2026

Evaluation results

MethodLinks
Direct eigendecompositionSize n=2^2K2026.0532.2——————
Free Decompression (FD)Size n=2^2K2026.0532.20.010.010.010.010.10.2
Free Decompression (FD)Size n=2^3K2026.0532.20.220.080.020.030.20.5
Free Decompression (FD)Size n=2^4K2026.0532.20.430.120.0100.20.2
Free Decompression (FD)Size n=2^5K2026.0532.20.70.150.050.080.40.8
Free Decompression (FD)Size n=2^6K2026.0532.22.190.530.080.090.41.2
Direct eigendecompositionSize n=2^3K2026.05431.43——————
Direct eigendecompositionSize n=2^4K2026.053,534.5——————
Direct eigendecompositionSize n=2^5K2026.0527,056.2——————
Direct eigendecompositionSize n=2^6K2026.05192,447.7——————