Experiment Results

ArcFace Benchmark Results

FLUX.2 Klein 9B LoRA · 3000 Steps · measured every 100 steps · ArcFace cosine similarity

JOSEONNAMJA (male actor)

0.732

PEAK @ Step 2200

MZYEOJA (female actor)

0.692

PEAK @ Step 1500

Training Trajectory

Green = PEAK · Gray = decline · Red = overfit indicator (0.8 > 1.0)

Step	A-1.0	A-0.8	B-1.0	B-0.8	C-1.0	C-0.8	AVG	Flag
100	0.404	0.345	0.259	0.204	0.289	0.158	0.277	PEAK
200	0.559	0.502	0.529	0.411	0.513	0.461	0.496	PEAK
300	0.667	0.631	0.507	0.406	0.669	0.580	0.577	PEAK
400	0.683	0.624	0.555	0.444	0.605	0.546	0.576	decline 1
500	0.723	0.713	0.547	0.442	0.718	0.628	0.629	PEAK
600	0.733	0.653	0.586	0.520	0.733	0.622	0.641	PEAK
700	0.711	0.675	0.594	0.525	0.745	0.665	0.652	PEAK
800	0.747	0.687	0.624	0.489	0.779	0.713	0.673	PEAK
900	0.744	0.693	0.604	0.475	0.736	0.690	0.657	decline 1
1000	0.781	0.703	0.631	0.555	0.776	0.739	0.698	PEAK
1100	0.752	0.702	0.694	0.511	0.736	0.675	0.678	decline 1
1200	0.766	0.677	0.497	0.484	0.762	0.720	0.651	decline 2
1300	0.807	0.735	0.604	0.600	0.789	0.756	0.715	PEAK
1400	0.775	0.730	0.618	0.627	0.798	0.765	0.719	PEAK
1500	0.804	0.735	0.648	0.529	0.751	0.755	0.704	decline 1
1600	0.815	0.802	0.644	0.565	0.786	0.757	0.728	PEAK
1700	0.799	0.740	0.521	0.504	0.799	0.777	0.690	decline 1
1800	0.775	0.783	0.639	0.600	0.817	0.724	0.723	decline 2
1900	0.845	0.801	0.586	0.538	0.770	0.716	0.709	decline 3
2000	0.835	0.801	0.591	0.561	0.818	0.774	0.730	PEAK
2100	0.852	0.802	0.547	0.563	0.832	0.774	0.728	decline 1
2200	0.837	0.767	0.634	0.593	0.788	0.771	0.732	★ PEAK
2300	0.811	0.769	0.542	0.533	0.722	0.789	0.694	0.8>1.0!
2400	0.824	0.797	0.564	0.577	0.758	0.724	0.707	decline 2
2500	0.803	0.733	0.646	0.484	0.794	0.771	0.705	decline 3
2600	0.787	0.740	0.634	0.570	0.826	0.777	0.722	decline 4
2700	0.812	0.782	0.583	0.559	0.787	0.749	0.712	decline 5
2800	0.824	0.761	0.596	0.555	0.815	0.746	0.716	decline 6
2900	0.834	0.778	0.595	0.518	0.788	0.751	0.711	decline 7
3000	0.821	0.788	0.632	0.517	0.783	0.791	0.722	decline 8

Step	A-1.0	A-0.8	B-1.0	B-0.8	C-1.0	C-0.8	AVG	Flag
100	0.145	0.083	0.361	0.302	0.227	0.220	0.223	PEAK
200	0.284	0.222	0.373	0.358	0.428	0.310	0.329	PEAK
300	0.456	0.347	0.625	0.467	0.529	0.471	0.483	PEAK
400	0.448	0.387	0.658	0.550	0.534	0.476	0.509	PEAK
500	0.576	0.453	0.645	0.585	0.617	0.563	0.573	PEAK
600	0.536	0.419	0.731	0.609	0.660	0.606	0.593	PEAK
700	0.659	0.515	0.647	0.575	0.623	0.568	0.598	PEAK
800	0.582	0.462	0.678	0.630	0.638	0.521	0.585	decline 1
900	0.624	0.524	0.737	0.624	0.619	0.579	0.618	PEAK
1000	0.613	0.516	0.728	0.632	0.598	0.601	0.615	decline 1
1100	0.602	0.504	0.709	0.632	0.633	0.555	0.606	decline 2
1200	0.588	0.539	0.767	0.690	0.625	0.569	0.630	PEAK
1300	0.595	0.529	0.772	0.689	0.574	0.566	0.621	decline 1
1400	0.596	0.532	0.728	0.678	0.670	0.603	0.634	PEAK
1500	0.635	0.650	0.788	0.774	0.721	0.583	0.692	★ PEAK
1600	0.632	0.557	0.796	0.690	0.688	0.625	0.665	decline 1
1700	0.682	0.593	0.694	0.660	0.556	0.630	0.636	decline 2
1800	0.560	0.595	0.715	0.742	0.676	0.624	0.652	0.8>1.0!
1900	0.636	0.592	0.751	0.734	0.701	0.625	0.673	decline 4
2000	0.712	0.597	0.749	0.687	0.619	0.626	0.665	decline 5
2100~3000	Continuous decline after PEAK (oscillating in 0.64–0.68 range)							decline