A Convolutional Accelerator for Neural Networks With Binary Weights
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Bibliographic record
Abstract
Parallel processors and GP-GPUs have been routinely used in the past to perform the computations of convolutional neural networks (CNNs). However, their large power consumption has pushed researchers towards application-specific integrated circuits and on-chip accelerators implement neural networks. Nevertheless, within the Internet of Things (IoT) scenario, even these accelerators fail to meet the power and latency constraints. To address this issue, binary-weight networks were introduced, where weights are constrained to -1 and 1. Therefore, these networks facilitate hardware implementation of neural networks by replacing multiply-and-accumulate units with simple accumulators, as well as reducing the weight storage. In this paper, we introduce a convolutional accelerator for binary-weight neural networks. The proposed architecture only consumes 128 mW at a frequency of 200 MHz and occupies 1.2 mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> when synthesized in TSMC 65 nm CMOS technology. Moreover, it achieves a high area-efficiency of 176 Gops/MGC and performance efficiency of 89%, outperforming the state-of-the-art architecture for binary-weight networks by 1.8× and 3.2×, respectively.
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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 | 0.000 | 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 | 0.001 | 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 it