Bibliographic record
Abstract
Modern heterogeneous FPGAs contain "hard" specific-purpose structures such as blocks of memory and multipliers in addition to the completely flexible "soft" programmable logic and routing. These hard structures provide major benefits, yet raise interesting questions in FPGA CAD and architecture. To develop high-quality CAD mapping algorithms for these structures, and indeed to measure the quality of proposed new structures in the architectural domain, it is essential to have a flexible tool at the RTL synthesis level that permits heterogeneous FPGA CAD and architecture experimentation. In this paper we present a synthesis tool, called Odin, and an algorithm that permits flexible targeting of hard structures in FPGAs. Odin maps Verilog designs to two different FPGA CAD flows: Altera's Quartus, and the academic VPR CAD flow. We have expended significant effort to make the quality of this tool comparable to an industrial front-end synthesis tool, and we present mapping results for our benchmarks that show the quality of our results.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.000 | 0.001 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.018 | 0.004 |
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 source (direct Gemma or distilled Codex), 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".