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true }, { "first_record": "pf-img100-03-t4-s42", "second_record": "pf-img100-03-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.656, "second_native_seconds": 40.474, "native_inter_run_gap_seconds": 14.668, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-04-t4-s42", "second_record": "pf-img100-04-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.617, "second_native_seconds": 40.612, "native_inter_run_gap_seconds": 15.534, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-05-t4-s42", "second_record": "pf-img100-05-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.467, "second_native_seconds": 40.51, "native_inter_run_gap_seconds": 15.323, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-06-t4-s42", "second_record": "pf-img100-06-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 77.877, "second_native_seconds": 40.454, "native_inter_run_gap_seconds": 18.954, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-08-t4-s42", "second_record": "pf-img100-08-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.727, "second_native_seconds": 40.458, "native_inter_run_gap_seconds": 15.354, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-09-t4-s42", "second_record": "pf-img100-09-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.254, "second_native_seconds": 40.489, "native_inter_run_gap_seconds": 14.643, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-16-t4-s42", "second_record": "pf-img100-16-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.61, "second_native_seconds": 40.68, "native_inter_run_gap_seconds": 13.12, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-20-t4-s42", "second_record": "pf-img100-20-t4-s43", "seeds": [ 42, 43 ], "first_native_seconds": 78.736, "second_native_seconds": 40.494, "native_inter_run_gap_seconds": 14.456, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-01-t5-s42", "second_record": "pf-img100-01-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 97.733, "second_native_seconds": 44.245, "native_inter_run_gap_seconds": 27.851, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-02-t5-s42", "second_record": "pf-img100-02-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 97.058, "second_native_seconds": 44.319, "native_inter_run_gap_seconds": 13.702, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-03-t5-s42", "second_record": "pf-img100-03-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 97.156, "second_native_seconds": 44.279, "native_inter_run_gap_seconds": 28.917, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-04-t5-s42", "second_record": "pf-img100-04-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 96.93, "second_native_seconds": 44.162, "native_inter_run_gap_seconds": 28.792, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-05-t5-s42", "second_record": "pf-img100-05-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 97.26, "second_native_seconds": 44.231, "native_inter_run_gap_seconds": 28.36, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-06-t5-s42", "second_record": "pf-img100-06-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 101.049, "second_native_seconds": 44.558, "native_inter_run_gap_seconds": 24.123, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-08-t5-s42", "second_record": "pf-img100-08-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 97.259, "second_native_seconds": 44.261, "native_inter_run_gap_seconds": 29.406, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-09-t5-s42", "second_record": "pf-img100-09-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 97.353, "second_native_seconds": 44.19, "native_inter_run_gap_seconds": 27.783, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-16-t5-s42", "second_record": "pf-img100-16-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 96.483, "second_native_seconds": 44.121, "native_inter_run_gap_seconds": 12.666, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true }, { "first_record": "pf-img100-20-t5-s42", "second_record": "pf-img100-20-t5-s43", "seeds": [ 42, 43 ], "first_native_seconds": 101.131, "second_native_seconds": 44.37, "native_inter_run_gap_seconds": 25.189, "same_runtime_retained": true, "same_graph_except_sampler_seed": true, "second_positive_encoder_cached": true, "second_negative_encoder_cached": true, "sampling_cached_second": false, "distinct_retained_outputs": true } ], "interpretation": "All 50 second requests reused positive and negative conditioning. Sampling was not cached, and every pair produced distinct outputs. The initial-load pair is excluded from the main steady-runtime comparison. No five-variant group was tested.", "limits": [ "Same42/43 seed ordering; no randomized cache-disabled control.", "Node intervals include preparation/event delivery, not isolated kernels.", "Observed cache survives the measured gaps but is local to one retained Comfy runtime; no persistence guarantee across model switches, restarts, factory changes or eviction." ] }, "qwen_turbo_ten": { "model": "unsloth/Qwen-Image-2.1-Turbo-GGUF:Q4_K_M", "generated_outputs": 10, "first_native_start_utc": "2026-10-21T08:41:18.067000+00:00", "distinct_briefs": 9, "measured_seed_variants_in_first_brief": 2, "five_seed_variants_tested": false, "initial_native_seconds": 320.246, "same_brief_variant_native_seconds": 95.234, "native_inter_run_gap_seconds": 34.322, "same_runtime_retained": true, "only_graph_difference": [ "/9/inputs/noise_seed" ], "second_encoder_cached": true, "sampling_and_decoding_repeated": true, "new_briefs_in_retained_runtime": { "requests": 8, "native_seconds": [ 194.865, 196.417, 199.64, 199.412, 199.784, 210.023, 208.566, 223.135 ], "minimum_seconds": 194.865, "median_seconds": 199.712, "maximum_seconds": 223.135, "sum_seconds": 1631.842 }, "limits": [ "The initial request includes loading plus text encoding, so the first/second delta is a combined startup/model/encoding benefit.", "Only two same-brief seed outputs were measured; do not present five-variant performance as measured.", "Fresh-prompt latency is a separate workload from cached same-brief variation." ] }, "production_guidance": "Keep the complete composed brief/materials/settings identical and vary only the seed in consecutive requests to the same factory/profile/Comfy runtime. Cache state is local to that runtime and can be lost after restarts, model switches or eviction.", "five_variant_group_measured": false }