{"kind":"result","result":{"algorithm":{"algorithm_version":"vps-observation-v6","cache_key_fields":["algorithm_version","input_sha256"],"china_network":{"aggregation":"median accepted-connection RTT per region, then median of regions; connection_success_count/connection_sample_count across one fixed preferred method per region; carrier total is sum of observed carrier contributions divided by the fixed carrier count 3; missing carriers do not increase other weights; separately per IP family and initiation direction","combined_aggregation":"per carrier, sum observed IPv4 and IPv6 indices divided by the fixed family count 2; China region total is the sum of combined carrier indices divided by the fixed carrier count 3; each stage rounds to one decimal; initiation directions stay separate; missing families/carriers never redistribute weights","connection_basis":"TCP connect acceptance or matching SYN-ACK; RST/refusal/timeout are unsuccessful; a SYN-ACK is port acceptance, not a completed application request","download_reference_mbps":100,"failure_rule":"a measured zero acceptance fraction contributes zero; missing/ambiguous samples stay null and earn no contribution; nonpositive latency is invalid","formula":"sum of observed contributions: 20*sqrt(download_mbps/100) + 20*sqrt(upload_mbps/100) + 40*(100/latency_median_ms) + 20*connection_success_fraction","historical_rule":"raw SYN rows require complete individual outcomes matching response counters; reply totals including RST cannot substitute for connection acceptance","interpretation":"engineering reference, not a percentile, bandwidth cap, uptime, application success or national coverage estimate","ip_family_weights":{"ipv4_percent":50,"ipv6_percent":50},"latency_reference_ms":100,"method_preference":["tcp_connect_v1","tcp_syn_v1:1400","tcp_syn_v1:64"],"partial_score_policy":"a numeric observed lower bound is available whenever any component is measured, including measured zero; absent components are not imputed or reweighted; measured and expected component counts accompany carrier and total indices; no measurements remains not_tested","reference_value":100,"scale":"reference_index","score_max":null,"throughput_preference":["public_http","pinned_openspeedtest","legacy_tcp"],"throughput_reduction":"download and upload remain independent valid public HTTP(S) v3/v4/v5 measurements; completed client-metered uploads without recognized receipts are accepted, contradictory receipts rejected","tls_policy":"OpenSpeedTest retains explicitly opted-in identity-unverified samples only with pinned public peers and the recorded strict certificate error; tls_identity_verified stays false. Scoring never initiates a certificate bypass.","upload_reference_mbps":100,"weights":{"connection_success_percent":20,"download_percent":20,"latency_percent":40,"upload_percent":20}},"input_digest":"SHA-256 of compact canonical parsed source report JSON (sorted object keys)","missing_data_policy":"performance requires all four components; network indices sum only observed contributions with fixed weights; missing raw values stay null and do not earn contributions; partial values are labeled observed_lower_bound with coverage counts; carrier totals divide by the fixed three carriers; no observations stays not_tested","performance":{"calibration_basis":"fixed engineering anchors, not a measured reference machine or a population percentile","cpu_max_thread_count":8,"cpu_method":"rust_cpu_suite_v2","cpu_multi_reference_multiplier":4,"cpu_reference":{"matrix_f64_operations_per_s":50000.0,"primes_operations_per_s":5000.0,"sha256_operations_per_s":1024.0},"cpu_trial_reduction":"median of three operation_count * 1000 / duration_ms values","disk_job_count":1,"disk_method":"rust_direct_qd1_v1","disk_min_sample_bytes":67108864,"disk_queue_depth":1,"disk_reference":{"random_mixed_latency_p95_ms":1,"random_read_iops":10000,"random_write_iops":5000,"sequential_read_bytes_per_s":524288000,"sequential_write_bytes_per_s":262144000},"disk_weights":{"random_mixed_latency_percent":10,"random_read_percent":25,"random_write_percent":25,"sequential_read_percent":20,"sequential_write_percent":20},"memory_kernels":["copy","scale","add","triad"],"memory_method":"rust_stream_kernels_v1","memory_min_sample_bytes":8388608,"memory_reduction":"equal-weight geometric mean of median-iteration bandwidth ratios","memory_reference_bytes_per_s":10737418240,"normalization":"100 * weighted_geometric_mean(ratios); no clipping or logarithmic compression","reference_value":100,"scale":"reference_index","score_max":null,"unsupported_conditions":"missing or unknown methods; unverified answers; memory sample below minimum; memory-backed, overlay or unknown disk filesystem; missing direct-I/O profiles or integrity check","weights":{"cpu_multi_percent":30,"cpu_single_percent":30,"disk_percent":30,"memory_percent":10}},"references":[{"source_url":"https://www.spec.org/osg/cpu2017/Docs/overview.html"},{"source_url":"https://developers.cloudflare.com/speed/aim/"}],"score_max":null},"code":"scoring_algorithm"},"trace":{}}