| { |
| "method": "Separate local processes; 1024x1024, two denoising steps, seed 42, cold start, phase loading; diagnostic only", |
| "models": { |
| "bf16": { |
| "model": "Image21-MLX-bf16", |
| "size": 1024, |
| "steps": 2, |
| "warmup": false, |
| "diagnostic_only": true, |
| "note": "Compute peak resets after loading; next load peak can include the prior phase still resident at transition. Cold two-step times are not comparable with formal 40-step results.", |
| "total_seconds": 17.3185, |
| "events": [ |
| { |
| "phase": "text_encoder", |
| "load_seconds": 2.4333, |
| "load_peak_gib": 16.3307, |
| "active_after_load_gib": 16.3307, |
| "compute_seconds": 0.1586, |
| "compute_peak_gib": 16.3877, |
| "active_after_compute_gib": 16.331, |
| "cache_after_compute_gib": 0.0599 |
| }, |
| { |
| "phase": "transformer", |
| "load_seconds": 1.9974, |
| "load_peak_gib": 13.2532, |
| "active_after_load_gib": 13.2532, |
| "compute_seconds": 10.7757, |
| "compute_peak_gib": 16.197, |
| "active_after_compute_gib": 13.2579, |
| "cache_after_compute_gib": 3.9134 |
| }, |
| { |
| "phase": "vae", |
| "load_seconds": 0.3024, |
| "load_peak_gib": 1.2612, |
| "active_after_load_gib": 1.2612, |
| "compute_seconds": 1.5496, |
| "compute_peak_gib": 16.1927, |
| "active_after_compute_gib": 1.2626, |
| "cache_after_compute_gib": 41.9682 |
| } |
| ] |
| }, |
| "8bit": { |
| "model": "Image21-MLX-8bit", |
| "size": 1024, |
| "steps": 2, |
| "warmup": false, |
| "diagnostic_only": true, |
| "note": "Compute peak resets after loading; next load peak can include the prior phase still resident at transition. Cold two-step times are not comparable with formal 40-step results.", |
| "total_seconds": 17.352, |
| "events": [ |
| { |
| "phase": "text_encoder", |
| "load_seconds": 1.5567, |
| "load_peak_gib": 10.2662, |
| "active_after_load_gib": 10.2662, |
| "compute_seconds": 0.1065, |
| "compute_peak_gib": 10.3455, |
| "active_after_compute_gib": 10.2665, |
| "cache_after_compute_gib": 0.079 |
| }, |
| { |
| "phase": "transformer", |
| "load_seconds": 1.1146, |
| "load_peak_gib": 7.1595, |
| "active_after_load_gib": 7.1595, |
| "compute_seconds": 12.6051, |
| "compute_peak_gib": 10.1033, |
| "active_after_compute_gib": 7.1641, |
| "cache_after_compute_gib": 3.9446 |
| }, |
| { |
| "phase": "vae", |
| "load_seconds": 0.2663, |
| "load_peak_gib": 1.2612, |
| "active_after_load_gib": 1.2612, |
| "compute_seconds": 1.6047, |
| "compute_peak_gib": 16.1927, |
| "active_after_compute_gib": 1.2626, |
| "cache_after_compute_gib": 41.9682 |
| } |
| ] |
| } |
| }, |
| "interpretation": "The unquantized FP32 VAE decode is the shared active-allocation floor at this resolution. Cache entries are unused buffers, not minimum physical RAM. Cold two-step timings do not replace the formal 40-step benchmark." |
| } |
|
|
