A framework for high‐speed parallel‐prefix adder performance evaluation and comparison
Bibliographic record
Abstract
Summary A new framework is proposed for the evaluation and comparison of high‐speed parallel‐prefix adders. The framework specifies input registers and latches and requires sum feedback for single cycle pipelined operation. Test pattern generation is also specified. A newly revised energy‐efficient 64‐bit carry select adder with distributed mixed valence logic to help reduce fan‐out and wire load is presented. Footless pulsed‐precharge domino and compound domino circuits, and smaller transistors help to reduce area and power. Detailed simulations with 65 nm CMOS models are compared with other parallel‐prefix adders that have been instantiated for comparison. Within this framework, energy reductions of 40% are obtained for the new adder versus two leading Kogge‐Stone designs, and 25% versus a new constant delay logic Sklansky style design, at similar cycle times. Copyright © 2014 John Wiley & Sons, Ltd.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".