{"id":"W2111880608","doi":"10.1145/545214.545218","title":"The optimal logic depth per pipeline stage is 6 to 8 FO4 inverter delays","year":2002,"lang":"en","type":"article","venue":"ACM SIGARCH Computer Architecture News","topic":"Low-power high-performance VLSI design","field":"Engineering","cited_by":242,"is_retracted":false,"has_abstract":true,"ca_institutions":"PQ Corporation (Canada)","funders":"","keywords":"Clock skew; Pipeline (software); Timing failure; Digital clock manager; Computer science; Inverter; Clock rate; Overhead (engineering); Microprocessor; Skew; Integer (computer science); Instructions per cycle; Window (computing); Parallel computing; Clock signal; Computer hardware; Engineering; Electrical engineering; Telecommunications; Central processing unit; Chip; Operating system","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0002495372,0.0005565807,0.000384017,0.0002594694,0.0003004877,0.000211373,0.001633362,0.0001600772,0.0004066958],"category_scores_gemma":[0.00004548917,0.0003872446,0.0001902547,0.0004366539,0.0001074252,0.0001633731,0.0006082274,0.0008609749,0.001218166],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001102442,"about_ca_system_score_gemma":0.00001952301,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002619563,"about_ca_topic_score_gemma":0.0001299592,"domain_scores_codex":[0.9971508,0.0001053176,0.0005028285,0.0005839381,0.0005735628,0.001083562],"domain_scores_gemma":[0.9974596,0.0004288618,0.00004656601,0.001615272,0.00007940445,0.000370304],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00004433457,0.00005641052,0.0005954265,0.000066115,0.0001386475,0.00005830528,0.007821876,0.3085544,0.001980297,0.00009997935,0.254891,0.4256932],"study_design_scores_gemma":[0.0007295898,0.0003252803,0.0007794384,0.00003822558,0.00002376938,0.00006872448,0.00002775944,0.5502496,0.002025717,0.0002673934,0.444762,0.0007025375],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.09719463,0.0006715727,0.8898906,0.006374623,0.001193792,0.0008835999,0.00002568471,0.0008159932,0.002949575],"genre_scores_gemma":[0.7599857,0.0002697967,0.2219748,0.01279261,0.00217065,0.0001632676,0.00001948806,0.0002657134,0.002357994],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.6679157,"threshold_uncertainty_score":0.999858,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.0185644690845569,"score_gpt":0.2237830178775383,"score_spread":0.2052185487929813,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}